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70R508B

70R508B
R508B refrigerant, HFC, 70 lb. returnable cylinder
Vendor Name:
National Refrigerants, Inc.
URI Part Number:
70R508B
Shipping Weight (Lbs.):
200
ASHRAE Standard 34 Safety Rating:
A1
Composition (Weight %):
R-23/116 (46 / 54)
Container Size:
70 Lb Cylinder
Critical Density (Lb/Ft³):
35.6
Critical Pressure (psia):
556.1
Critical Temperature ( Deg. F):
53.7
Liquid Density (20 F, Lb/Ft³):
65.63
Molecular Weight:
95.4
Refrigerant:
R508B
Vapor Density (bp, Lb./Ft³):
0.409

R-508B:
Used in very-low-temperature refrigeration systems, typically the low stage of a multi-stage system. R-508B has properties similar to R-503 and can be used to replace either R-13 or R-503 in an existing system. The discharge temperature does not increase significantly compared to R-23. POE lubricants should be used, and it may still be necessary to charge hydrocarbon oil additives to ensure proper oil return. Check with OEM for specific oil and charging recommendations.

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