HFC systems
Use the named R-134a, R-404A, R-407C and R-410A context as the starting boundary for discussion.
QSL-32H POE Refrigeration Oil
When procurement teams compare wholesale poe refrigeration oil options or evaluate a poe refrigeration oil manufacturer, QSL-32H gives a clear ISO VG32 POE starting point for HFC compressor systems, moisture-aware handling, and HVACR service-fill planning.

HFC Compressor Boundary
QSL-32H is positioned for HVACR professionals working with HFC refrigerants and common compressor families. The safest shortlist starts with the system documentation, then confirms oil chemistry and viscosity.
Use the named R-134a, R-404A, R-407C and R-410A context as the starting boundary for discussion.
Use this oil discussion for screw, centrifugal, scroll and reciprocating compressor projects where the system documents call for a POE route.
POE chemistry supports modern HFC compressor systems, but moisture exposure must be controlled.
Clarify whether the project is a new fill, service fill or retrofit before confirming the oil route.
Keep the specification review tied to the exact QSL-32H oil grade shown on the package, then confirm compressor approval and service procedure before changing oil family.
ISO VG32 Properties
These properties help buyers compare viscosity, low-temperature handling and thermal conditions before moving into detailed compressor approval.
Moisture And Service-Fill Planning
QSL-32H can enter new-fill, preventative-maintenance and retrofit discussions. The quote request should carry enough system context to avoid treating POE oil as a generic refill.
Adjacent Oil Routes
QSL-32H is not the only possible refrigeration lubricant path. Keep viscosity grade, oil chemistry and compressor documentation aligned when reviewing alternatives.
A POE refrigeration oil option in the same broad viscosity conversation for HFC, HCFC, HFO, HC and natural refrigerant discussions.
View RL32-3MAF
An ISO VG68 POE route for projects that call for a higher viscosity grade and named refrigerant matching.
View RL68H
A PAG refrigeration oil path for teams comparing lubricant chemistry beyond the POE family.
View QSL-PAG68Technical Reading
Use these technical notes to align oil chemistry, HFC refrigerant context and application scene before requesting product guidance.
Clarify the chemistry and lubrication boundaries that make POE refrigeration oil relevant for HFC compressor discussions.
Read HFC notesMap POE oil decisions to commercial HVACR scenes, transport cooling requirements and compressor service contexts.
Read application notesReview how HFC refrigerant background affects POE refrigeration compressor oil selection and changeover caution.
Read system notesSelection FAQ
QSL-32H is a synthetic POE refrigeration compressor oil for HVACR equipment using HFC refrigerants, including system discussions around R-134a, R-404A, R-407C and R-410A.
QSL-32H is relevant to screw, centrifugal, scroll and reciprocating compressor discussions. Final selection should still follow the compressor documentation, refrigerant and required viscosity grade.
The main properties include 32.5 cSt viscosity at 40°C, 5.8 cSt at 100°C, viscosity index 121, -46°C pour point, 0.977 g/ml density at 20°C and 258°C COC flash point.
POE oil is hygroscopic, so storage, filling and operation should control moisture exposure. Moisture monitoring helps protect oil integrity and reduce contamination risk in refrigeration and air-conditioning compressors.
QSL-32H can be considered for initial fills, maintenance service fills and retrofit contexts. Teams should confirm the existing oil family, refrigerant, compressor model and changeover procedure before use.
Share the compressor model, refrigerant, target ISO viscosity grade, current oil, application scene, package quantity, maintenance or new-installation context and any required cross-reference information.