Compatibility of manufacturing process fluids with R-134a and polyolester lubricant. Final report | Zendy

R.C. Cavestri | Zendy; D.L. Schooley | Zendy

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Compatibility of manufacturing process fluids with R-134a and polyolester lubricant. Final report

Author(s) -

R.C. Cavestri,

D.L. Schooley

Publication year - 1996

Language(s) - English

Resource type - Reports

DOI - 10.2172/273819

Subject(s) - lubricant , compatibility (geochemistry) , materials science , miscibility , refrigeration , composite material , chromatography , chemistry , mechanical engineering , polymer , engineering

This report includes a broad list of processing fluids that are known to be used to manufacture air conditioning and refrigeration products. Sixty-four process fluids from this list were selected for compatibility studies with R-134a and ICI EMKARATE RL32H (32 ISO) polyolester lubricant. Solutions or suspensions of the process fluid residues in polyolester lubricant were heated for 14 days at 175{degrees}C (347{degrees}F) in evacuated sealed glass tubes containing only valve steel coupons. Miscibility tests were performed at 90 wt.% R-134a, 10 wt.% polyolester lubricant with process fluid residue contaminate and were scanned in 10{degrees}C (18{degrees}F) increments over a temperature range of ambient to -40{degrees}C (-40{degrees}F). Any sign of turbidity, haze formation or oil separation was considered the immiscibility point

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