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Explore refrigeration lubricant knowledge, compressor oil selection tips, system application insights, and HVACR industry updates from the QISHANR team.

October 10th, 2026

Selecting RL170H 170 cSt POE Oil for R134a Screw Compressors

October 10th, 2026

RL170H 170 cSt POE Refrigeration Oil Viscosity Between ISO VG 150 and 220

October 10th, 2026

Why Does POE Refrigeration Oil Mix With R134a?

October 10th, 2026

Emkarate RL170H Equivalent POE Oil for Screw Compressor Retrofits

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