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Variety quality assurance

R508 Refrigerant Gas
R508B

molecular formula: CHF3/C2F6

UN Number: UN3163

risk grades: 2.2类

Packing specification:

Uses :

Ultra-low temperature azeotropic refrigerant, used for cascade refrigeration systems, ultra-low temperature freezers, medical cryogenic refrigerators, environmental test chambers, freeze dryers, blood bank refrigerators and biochemical test boxes. It is the standard substitute for R13 and R503.

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Physical Property:

Parameter

Value

Content

 R23 + R116

Molecular Formula

CHF3/C2F6

Molecular weight

95.39

Boiling point, °C

-88

Critical Temperature, °C

14.0

Critical pressure, MPa

3.93

ODP

0

GWP

12850


Quality index(GB/T 18826-2002):

Parameter

Specification

Purity %

≥99.94

Moisture (ppm by weight)

≤10

Acidity (ppm by weight,as HCl)

≤1.0

Vapor Residue(% by volume)

≤0.01

Appearance

Colorless

Odor

Odorless



PACKAGING

Disposable Cylinder:9KG(19.8LB)/10L

Recyclable Cylinder(CE):11KG/12.3L;13KG/14.3L;46KG/50L;55KG/60L;

930KG/1000L

ISO Tank:22MT/24M³


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