Solest 220 is a synthetic polyol ester (POE) refrigeration lubricant with a kinematic viscosity of 215.9 cSt at 40 °C, which places it inside the ISO VG 220 band. It is the ISO VG 220 grade in the Solest range made by CPI Fluid Engineering, the compression and refrigeration fluids business of The Lubrizol Corporation, and Lubrizol states that the Solest line has been in field service for more than 25 years. The grade is designed for commercial and industrial refrigeration and air-conditioning compressors, and Lubrizol lists HFC, HCFC and HFO refrigerants as its applications.
We manufacture and supply this grade ourselves, at our own blending plant in Foshan, China — our polyol ester range covers the ISO VG 220 class (our QSL-220H, 215.9 cSt at 40 °C). It ships from Guangzhou Port, which is next to the plant. There is no fixed minimum order — it is confirmed per order, because a single can and a full container load are both workable and the figure moves with the pack size, the quantity and the destination. Delivery is on any Incoterms 2020 term — EXW, FOB, CFR, CIF, DDP and every other rule — and payment is on any commonly used method, including T/T, L/C and PayPal — send the compressor model, the refrigerant and the system's evaporating temperature and we will confirm the grade against the Lubrizol data before quoting.
QISHANR is a refrigeration oil manufacturer and wholesale supplier, and this grade is supplied in bulk to distributors, HVACR service companies and compressor OEMs worldwide.
Solest 220 is supplied on published terms: the viscosity class, the price terms, the payment terms and the documents are the same for every buyer, and they can be quoted without a site visit. The minimum order is deliberately left open, because it is judged case by case: the grade, the quantity, the pack size, the shipping terms and the container load all move it, so a single can and a full container load are both workable and neither is treated as the normal case. Send us the quantity, the destination port and whether your own brand goes on the container, and those three turn the table below into a firm quotation. Documents and lead time work the same way on every order: the technical data sheet and safety data sheet come with the quotation, and the certificate of analysis for the delivered batch comes with the shipment. This grade is supplied wholesale and in bulk — to distributors, HVACR service companies, compressor OEMs and private-label buyers — as well as in single packs and sample quantities.
| Item | Terms for Solest 220 |
|---|---|
| Minimum order quantity | Not a fixed figure — confirmed per order, because it is judged case by case: the grade, the pack size, the quantity, the shipping terms and the container load all move it, so a single can and a full container load are both workable |
| Payment terms | Any commonly used payment method — T/T, L/C, PayPal and every other option — confirmed with the order |
| Price terms | Any Incoterms 2020 term — EXW, FOB, CFR, CIF, DDP and every other rule — quoted against your destination port |
| Supply ability | 1,000 pieces per year on this grade, at our blending plant in Foshan — this is the figure for the 215.9 cSt POE we manufacture, not the annual capacity of the plant |
| Origin | The original Lubrizol Solest product, or an equivalent manufactured at our own plant in Foshan, China |
| Supply options | The equivalent 215.9 cSt POE grade we manufacture at our blending plant in Foshan, China (our QSL-220H — 215.9 cSt at 40 °C, category ISO VG 220) |
| Who buys this grade | Distributors and resellers who stock refrigeration oil, HVACR and refrigeration service companies, compressor OEMs filling new equipment, and buyers who need private-label or own-brand packing. Wholesale and bulk orders are the norm; trial and sample quantities are also supplied. |
| Grade confirmation | Send the compressor model, the refrigerant and the evaporating temperature. The Solest range covers 22 to 370 cSt at 40 °C across its grades, and Solest 220 is the ISO VG 220 grade within it, so we confirm that Solest 220 is the right viscosity for your system before quoting |
| Viscosity class | 215.9 cSt at 40 °C, which falls inside the ISO VG 220 band (198–242 cSt) defined by ISO 3448 |
| Pack size | Confirmed at quotation. Custom pack formats are available as a quotation item. |
| Documents issued with the order | Technical data sheet, safety data sheet, and a certificate of analysis for the delivered batch |
| Handling and storage | Store sealed, away from direct sunlight, and keep the container closed between top-ups — polyol ester oils absorb moisture from the air, and moisture is what shortens their service life. Do not decant into an unlined steel drum. |
Supply ability is stated for this grade rather than for the plant as a whole. It is not the annual capacity of the blending plant.
The line between one viscosity class and the next is drawn by the compressor duty and the refrigerant, not by the drum size. Send the model and the refrigerant and we will confirm which class your system takes.
A lubricant order is rarely only a lubricant order. The buyer is usually solving a grade question, an import documentation question, a freight question and a packaging question at the same time — often across more than one product family. Those are the parts of the job we take on, and they are handled by the same team that quotes the oil rather than passed to a third party.
We are a manufacturer rather than a reseller, which is what makes that possible. The blending plant in Foshan, Guangdong runs at 6,000 tonnes a year and has been producing lubricants for more than ten years, so the answer to most of the questions below comes out of our own production and our own paperwork. The enquiries that reach us on this grade are consistent: the buyer has a compressor on a polyol ester charge, a data sheet in hand, and needs to know whether the two match.
| What you are dealing with | What we do about it |
|---|---|
| You cannot tell whether the system takes 215.9 cSt or the grade next to it | Send the compressor model, the refrigerant and the operating temperatures. The Solest range is the same oil type at a range of viscosities and the neighbouring grades are separated by the compressor duty and the refrigerant, so the answer comes from the data sheet rather than from the can. Solest 220 sits in the heavier end of the range, with Solest 170 lighter and Solest 370 heavier — we confirm the grade in writing before you order, so it can be checked against the specification. |
| You are converting a CFC/HCFC system to an HFC refrigerant | HFC and HFO refrigerants are not miscible with mineral oil, so a conversion changes the oil as well as the gas. Solest is a polyol ester line, which is the base oil type that works with HFC and HFO refrigerants because the oil travels with the gas and returns to the sump. We will tell you what the changeover involves on the documentation side, including the moisture limit a polyol ester charge has to meet. |
| You have the Lubrizol data sheet and need the grade to match it | We confirm the viscosity class and the base oil type against the Lubrizol TDS for this grade, and we supply to that specification rather than to a generic description. Every figure on this page is traceable to the published document, which is linked at the foot of the page. |
| You are buying alongside other oils and want them on one order | Refrigeration oils are the core of our business, not the whole plant. The same lines produce air compressor oils, vacuum pump oils and general industrial lubricants, and a mixed enquiry can be quoted, packed and shipped together rather than split across suppliers. |
| You need documentation for customs or for a tender | CE, CO, MSDS and transport certification are issued as standard documents with an export order. Tell us at the enquiry stage which certificate the destination requires and we compile the file with the quotation rather than after the shipment. |
The point of this list is that the questions are answered before the order rather than after it. If you are unsure which of them applies to you, describe the system and we will tell you what we need.
Grade confirmation comes before pricing, because the Solest range is the same oil type at a range of viscosities and a wrong class is the mistake that costs a compressor. The sequence is the same whether you are buying one can or a full container:
If you already know the grade and only need a price, send the quantity and the destination port and we will quote directly.
The values below are Lubrizol published figures for Solest 220, taken from the CPI Fluid Engineering technical data sheet for the grade. Nothing in this table is our own measurement, so every figure can be checked against the source at the end of the page.
| Property | Typical Value | Test Method | Source |
|---|---|---|---|
| Oil type | Synthetic polyol ester (POE) | — | Lubrizol — CPI Fluid Engineering Solest 220 TDS |
| ISO viscosity grade | ISO VG 220 (ISO 3448) | — | Derived — 215.9 cSt falls inside the 198-242 cSt band |
| Kinematic viscosity at 40 °C | 215.9 cSt | ASTM D445 | Lubrizol — CPI Fluid Engineering Solest 220 TDS |
| Kinematic viscosity at 100 °C | 20.8 cSt | ASTM D445 | Lubrizol — CPI Fluid Engineering Solest 220 TDS |
| Viscosity index | 113 | ASTM D2270 | Lubrizol — CPI Fluid Engineering Solest 220 TDS |
| Density at 15 °C | 0.9300 g/ml | ASTM D4052 | Lubrizol — CPI Fluid Engineering Solest 220 TDS |
| Specific gravity | 0.955 | ASTM D4052 | Lubrizol — CPI Fluid Engineering Solest 220 TDS |
| Pour point | −27 °C | ASTM D97 | Lubrizol — CPI Fluid Engineering Solest 220 TDS |
| Flash point | 271 °C | ASTM D92 | Lubrizol — CPI Fluid Engineering Solest 220 TDS |
| Fire point | 318 °C | ASTM D92 | Lubrizol — CPI Fluid Engineering Solest 220 TDS |
| Dielectric strength | 41.8 kV | ASTM D877 | Lubrizol — CPI Fluid Engineering Solest 220 TDS |
| Water content | <50 ppm | ASTM D1533 | Lubrizol — CPI Fluid Engineering Solest 220 TDS |
| Refrigerant compatibility | HFC, HCFC, HFO | — | Lubrizol — Solest range application guide |
The test method column is reproduced from the manufacturer's data sheet. Where the manufacturer publishes a value under a specific ASTM method, the method is shown so the figure can be traced to the published test rather than treated as a general property.
A viscosity class is a band, not a single number, and the figures below are the ones that decide whether a 215.9 cSt polyol ester suits a given circuit. Both come from the published values above rather than from our own measurement.
| Parameter | Value for Solest 220 | What it controls |
|---|---|---|
| Kinematic viscosity at 40 °C | 215.9 cSt — inside the ISO VG 220 band of 198–242 cSt | The film thickness in the bearings and the load the oil places on the compressor. This is the figure a replacement has to match. |
| Viscosity at 100 °C | 20.8 cSt | How much the film thins at operating temperature. The higher this figure, the smaller the drop from the 40 °C value, and the viscosity index of 113 is what fixes that relationship. |
| Pour point | −27 °C | The cold end of the working window. Below this the oil stops flowing, so it is the figure that decides whether the grade suits a low-temperature circuit. |
| Flash point | 271 °C | The hot end of the working window and a rough measure of how the oil behaves at the discharge valve. |
| Water content | <50 ppm | How dry the oil is as supplied. A polyol ester absorbs moisture in service, so the as-supplied figure is the baseline the system has to stay near. |
Do not step to a heavier class to solve a wear problem without checking the compressor duty with us first. Raising the viscosity raises the load on the machine, and on a system that was specified for a lighter oil that is the wrong direction of travel.
The Solest range is one synthetic polyol ester lubricant offered across a range of viscosity grades and compressor types, so the grades differ in thickness and in the duty they are approved for rather than in chemistry. The table shows the range as Lubrizol publishes it in the application guide, with this product marked.
| Grade | Oil type | Compressor types (per Lubrizol application guide) | Where it is used |
|---|---|---|---|
| Solest 22 | POE (synthetic) | Recip. / Rotary / Centr. / Recip. / Screw / Scroll | The lightest grade in the range |
| Solest 31-HE | POE (synthetic) | Recip. / Rotary / Centr. / Recip. / Screw / Scroll | High-efficiency version of the light grade |
| Solest LT-32 | POE (synthetic) | Recip. / Rotary / Centr. / Recip. / Screw / Scroll | The ISO VG 32 grade, for commercial and industrial refrigeration and air-conditioning compressors |
| Solest 46 | POE (synthetic) | Recip. / Rotary / Centr. / Recip. / Screw / Scroll | The mid-range grade |
| Solest 68 | POE (synthetic) | Recip. / Rotary / Centr. / Recip. / Screw / Scroll | A widely used mid-range grade |
| Solest 120 | POE (synthetic) | Recip. / Screw / Scroll | The lighter of the high-viscosity grades |
| Solest 170 | POE (synthetic) | Screw / Scroll | High-viscosity grade for screw and scroll compressors |
| Solest 180 | POE (synthetic) | Screw / Scroll | High-viscosity grade for screw and scroll compressors |
| Solest 220 (this product) | POE (synthetic) | Screw / Scroll | Higher-viscosity grade for heavier-duty plant |
| Solest 370 | POE (synthetic) | Screw / Scroll | The highest-viscosity grade in the range |
The compressor-type columns are reproduced from the Lubrizol Solest application guide. The guide states that it covers only a few of the possible lubricants for various applications and that the OEM and CPI should be consulted for specific viscosity recommendations, which is the position we take on this page: we confirm the grade against the application rather than inferring it from the grade name.
If this grade is not the one you need, the sections below show where it sits against the rest of the Solest range and against the oils we manufacture ourselves, so a substitution can be checked before it is ordered.
| Brand | Grade | Viscosity at 40 °C | Note |
|---|---|---|---|
| Qishanr | POE refrigeration oil | 215.9 cSt, our QSL-220H | Our own equivalent to this viscosity class, blended in Foshan, China |
| Lubrizol / CPI | Solest range | 22 to 370 cSt | The full synthetic line; Solest 220 is the ISO VG 220 grade within it |
| SUNOCO | Sunice SL series | 10 to 320 cSt | The other major POE refrigeration line we supply; ISO VG 220 grade is Sunice SL-32S |
A polyol ester and a mineral oil are not interchangeable even at the same viscosity. Match the base oil type to the refrigerant before matching the viscosity class.
Solest 220 is a synthetic polyol ester (POE) with a viscosity of 215.9 cSt at 40 °C, and the base oil type is the part that decides whether the charge works at all. HFC and HFO refrigerants are not miscible with mineral oil, so a mineral charge in an R-134a or R407C circuit does not travel with the refrigerant: oil collects in the evaporator and the compressor sump runs dry. Polyol ester is miscible with those refrigerants, so the oil circulates through the circuit and returns to the sump.
Lubrizol makes the same point in the technical data sheet for this grade: the performance of an HFC system is optimised when the lubricant and the refrigerant mix to form a single, clear phase, and miscibility lowers the viscosity of the lubricant carried through the system so that it returns to the compressor more efficiently. That is the mechanical reason a polyol ester is specified for HFC duty rather than a mineral oil.
The viscosity class is chosen from the compressor duty, not from the drum size. The Solest range spans 22 to 370 cSt at 40 °C, and Solest 220 is the ISO VG 220 grade within it. A heavier oil forms a thicker film in the bearings and carries more load, and a lighter oil returns to the sump more readily at low temperature. Both directions have a cost when the class does not match the machine: step up and the compressor works against a film it was not designed for, step down and the film thins under load.
The figure to work from is the compressor manufacturer's requirement, and the grade in the Solest range that matches it; that is the point at which we confirm the grade against the Lubrizol data before quoting.
Every number on this page is Lubrizol's published value for Solest 220, and where the manufacturer states a figure under a named test method the method is reproduced alongside it. That matters in a product category where values circulate between suppliers: the viscosity at 40 °C, the viscosity index, the pour point and the flash point are all reported against specific ASTM procedures, and a figure quoted without its method cannot be checked.
The same discipline applies to the values that are sometimes left off a product page. This grade's dielectric strength and water content are published by the manufacturer, so they are shown here rather than omitted, because a buyer comparing a polyol ester against another supplier's data sheet needs the same set of figures rather than a subset of them.
Polyol ester oils absorb moisture from the air, and the moisture is what shortens their service life: at high temperature, in the presence of the ester and the refrigerant, water promotes hydrolysis and the formation of acids that attack the windings and the metal surfaces. The manufacturer states the water content of this grade as less than 50 ppm as supplied, and that figure is a baseline rather than a permanent property. The container should be resealed after every top-up, the oil should not be left open in a humid plant, and it should not be decanted into an unlined steel drum where it can pick up rust and moisture.
In a conversion the same point applies to the circuit rather than to the container. The system has to be evacuated and the moisture limit met before the polyol ester charge goes in, because the water that is left in the pipework ends up in the oil. The compressor manufacturer's changeover procedure is the document to work from, and we will confirm the documentation side of the change with the quotation.
The Solest range is one oil type across a range of viscosity classes from 22 to 370 cSt at 40 °C, so two grades that look almost identical on the drum can be wrong for each other's machine. A quotation that skips the grade check is a price for a product that may not fit the unit it is going into, and the cost of that mistake is a compressor rather than a drum of oil.
So the sequence is fixed: send the compressor or unit model, the refrigerant and the evaporating temperature, and we confirm the class against the Lubrizol data before the price is issued. That is also what makes the specification comparable on a page like this one, because every figure is tied to a published document rather than to a description.
We manufacture lubricants at our own blending plant in Foshan, Guangdong, which runs at 6,000 tonnes a year and has been producing for more than ten years. That is what allows us to quote an ISO VG 220 polyol ester grade from our own line (our QSL-220H) against the Lubrizol specification, and to hold stock on the grades we list rather than promising on behalf of a third party.
It also means the answer to a question about the oil comes from the plant rather than from an intermediary. If you need the grade matched to a compressor model, or to know which documents come with the shipment, tell us at the enquiry stage and we will confirm it against your destination rather than leave it until the order is placed.
Alongside the refrigeration oils the same plant produces air compressor oils, vacuum pump oils and general industrial lubricants, so a mixed enquiry can be quoted, packed and shipped as one order rather than split across suppliers.
A: There is no fixed minimum order — it is confirmed per order, because it depends on the pack size, the quantity and the destination, and a single can and a full container load are both workable. Pack sizes are confirmed at quotation, and custom pack formats and private-label artwork are available as a quotation item, so if your own label has to go on the container, say so when you enquire and it is quoted as part of the project rather than added afterwards.
A: Solest 220 is a synthetic polyol ester (POE) refrigeration lubricant with a kinematic viscosity of 215.9 cSt at 40 °C, which places it in the ISO VG 220 class. It is made by CPI Fluid Engineering, the compression and refrigeration fluids business of The Lubrizol Corporation, and Lubrizol states that the Solest range has been in field service for more than 25 years. It is designed for commercial and industrial refrigeration and air-conditioning compressors, and Lubrizol lists HFC, HCFC and HFO refrigeration and reciprocating, rotary, centrifugal and scroll compressors as its applications.
A: Both are polyol ester grades in the same Solest range but at different viscosity classes. Solest 220 measures 215.9 cSt at 40 °C and carries the ISO VG 220 class, while Solest 170 is the lighter grade. Lubrizol's application guide lists the grades against overlapping compressor types, so the two are not distinguished by compressor type alone. Send us the compressor model and the refrigerant and we will confirm which of the two matches the application.
A: No. When a system is converted from a CFC or HCFC refrigerant to an HFC or HFO refrigerant, the mineral oil charge has to be replaced by a polyol ester charge as well, because HFC and HFO refrigerants are not miscible with mineral oil. Solest is a polyol ester line, which is the base oil type that works with HFC and HFO duty; the two are not mixed. Confirm the changeover procedure with us before the system is charged.
A: Lubrizol lists HFC, HCFC and HFO refrigeration as the applications for this grade. The technical data sheet also states that the grade provides excellent low-temperature miscibility with HFC refrigerants, and that as a polyol ester it has a controlled level of miscibility with HFC gases. For a refrigerant outside that description, send us the gas and we will check it against the manufacturer data before quoting.
A: Lubrizol publishes the pour point as −27 °C, measured by ASTM D97. The pour point is the cold end of the working window: below it the oil stops flowing, and a system running colder than that will starve the compressor of oil long before the oil stops lubricating. The low pour point is one of the reasons a polyol ester grade is specified for low-temperature refrigeration, and it is a figure a buyer should compare against the system's evaporating temperature rather than against the ambient temperature.
A: Each figure on this page is published by the manufacturer against a named ASTM procedure: ASTM D445 for the kinematic viscosity, ASTM D2270 for the viscosity index, ASTM D4052 for the density and specific gravity, ASTM D97 for the pour point, ASTM D92 for the flash and fire points, ASTM D877 for the dielectric strength and ASTM D1533 for the water content. The method is shown so the figure can be traced to the published test rather than treated as a general property, and so two suppliers' data sheets can be compared on the same basis.
A: Yes. Private-label artwork and custom pack formats are a normal quotation item on our own equivalent grade, and the container is packed at our plant in Foshan. Tell us at the enquiry stage that your own label is required, and the artwork and the pack are quoted together with the oil rather than added afterwards.
A: Store it sealed, away from direct sunlight, and keep the container closed between top-ups. A polyol ester absorbs moisture from the air, and moisture is what shortens its service life and can cause acid formation at high temperature. The manufacturer states the water content of this grade as less than 50 ppm as supplied, so the container should be resealed after every use and the oil should not be decanted into an unlined steel drum where it can pick up rust and moisture.
Every figure on this page is taken from a published document rather than from our own measurement, so each one can be checked before you buy. This is the set of sources, with the document each figure came from.
| Source | What it establishes |
|---|---|
| CPI Fluid Engineering / The Lubrizol Corporation — Solest220 refrigeration compressor lubricant technical data sheet | The manufacturer's published specification for this grade: the viscosity at 40 °C and 100 °C, viscosity index, density, specific gravity, pour point, flash and fire points, dielectric strength and water content used in the table above, each against its ASTM test method. It is also the source for the refrigerant applications and compressor types and for the statement that the Solest range has more than 25 years of field service. |
| The Lubrizol Corporation — compression, refrigeration and thermal fluids | The manufacturer's own description of the business and product lines that the Solest range belongs to, used for the statements on this page about who makes the product. |
| ISO 3448:1992 — Industrial liquid lubricants — ISO viscosity classification | The standard that defines the viscosity bands used to place 215.9 cSt at 40 °C inside the ISO VG 220 class. The band boundaries quoted on this page (198–242 cSt) come from that classification. |
Where a value is published by the manufacturer against a named test method, the method is reproduced with the figure so that the value can be traced to the published test.
This oil is manufactured and supplied by Guangzhou Qishanr Technologies Co., Ltd., trading as the brand QISHANR. The company is based in Foshan, Guangdong, adjacent to Guangzhou Port, and has been producing lubricants for more than 10 years from its own blending plant. That plant runs at an annual capacity of 6,000 tonnes, which is what allows us to hold stock on the grades we list and quote firm lead times rather than promising on behalf of a third party.
Refrigeration oils are the core of the business, but they are not the whole plant. The same lines produce general industrial lubricants, so a mixed enquiry that covers both refrigeration oils and ordinary industrial grades can be quoted, packed and shipped together instead of being split across suppliers.
This is not the full range. Specialised ester base oils and lubricant additives are produced in-house as well, which is the reason the synthetic ester grades can be specified to a target rather than bought off a shelf. If the grade you need is not listed above, send the specification or the product you are replacing and we will confirm whether we produce it.
Long-term partners get pricing that reflects a stable manufacturing base rather than a trading margin, and the same technical contact stays with the account from grade selection through to repeat orders.
Solest 220 is a 215.9 cSt polyol ester, so a quotation depends on the grade, the pack size and the destination port rather than on a list price. Send your compressor or unit model, the refrigerant and the quantity you need. We will confirm the viscosity class against the Lubrizol data — including whether your system takes the 215.9 cSt grade or the class next to it — and come back with pricing, pack size and lead time. A technical data sheet and safety data sheet come with the quotation, and we can quote our own equivalent 215.9 cSt POE side by side so the comparison is on landed cost.
Request a QuoteOriginal publication. The product data, specifications and compatibility charts published on this page for Solest 220 refrigeration oil were originally published by QishanrLubricants on 2026-08-05 at qishanrlubricants.com. © 2026 QishanrLubricants. All rights reserved.
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