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GMW5038

Refrigerant 1,1,1,2-Tetrafluoroethane, HFC-134a

active, Most Current
Organization: GMW
Publication Date: 1 June 2023
Status: active
Page Count: 4
scope:

Note: Nothing in this standard supercedes applicable laws and regulations.

Note: In the event of conflict between the English and domestic language, the English language shall take precedence.

Purpose/Material Description.

This specification covers the overall requirements for 1,1,1,2- tetrafluoroethane refrigerant (also known as Hydrofluorocarbon (HFC) - HFC134a or R134a) used in General Motors (GM) mobile air conditioning systems.

Symbols.

Not applicable

Applicability.

As a refrigerant in automotive air conditioners.

Remarks.

None.

Document History

GMW5038
June 1, 2023
Refrigerant 1,1,1,2-Tetrafluoroethane, HFC-134a
Note: Nothing in this standard supercedes applicable laws and regulations. Note: In the event of conflict between the English and domestic language, the English language shall take precedence....
GMW5038
June 1, 2017
Refrigerant 1,1,1,2-Tetrafluoroethane, HFC-134a
Material Description. This specification covers the overall requirements for 1,1,1,2-tetrafluoroethane refrigerant (also known as Hydrofluorocarbon (HFC) - HFC134a or R134a) used in General Motors...
GMW5038
March 1, 2012
Refrigerant 1,1,1,2-Tetrafluoroethane, HFC-134a
Material Description. This specification covers the overall requirements for 1,1,1,2-tetrafluoroethane refrigerant (also known as HFC134a or R134a) used in General Motors (GM) mobile air conditioning...
GMW5038
July 1, 2007
Refrigerant 1,1,1,2-Tetrafluoroethane, HFC-134a
Material Description. This specification covers the overall requirements for 1,1,1,2-tetrafluoroethane refrigerant (also known as HFC-134a or R134a) used in General Motors (GM) mobile air...

References

This document references:
ASHRAE STD 15 & 34 - Designation and Safety Classification of Refrigerants
Published by ASHRAE on September 30, 2020
FOREWORD Addendum h adds the zeotropic refrigerant blend R-471A to Tables 4-2 and D-2. Note: In this addendum, changes to the current standard are indicated in the text by underlining (for additions)...
This document references:
ASHRAE STD 97 - Sealed Glass Tube Method to Test the Chemical Stability of Materials for Use within Refrigerant Systems
Published by ASHRAE on June 23, 2007
This standard describes the preparation of sealed glass tubes and the procedure for charging them with refrigerant, lubricant, other materials to be tested, or combinations of these. A procedure for...
This document references:
ASTM D2109 - Standard Test Methods for Nonvolatile Matter in Halogenated Organic Solvents and Their Admixtures
Published by ASTM on December 10, 2001
These test methods cover the determination of nonvolatile matter in halogenated organic solvents and admixtures. Five test methods are covered, as follows: Test Method A—For halogenated organic...
This document references:
ASTM D2111 - Standard Test Methods for Specific Gravity and Density of Halogenated Organic Solvents and Their Admixtures
Published by ASTM on February 1, 2010
These test methods cover the determination of the specific gravity of halogenated organic solvents and solvent admixtures. They define suitable apparatus and procedures and furnish details underlying...
This document references:
ASTM D2879 - Standard Test Method for Vapor Pressure-Temperature Relationship and Initial Decomposition Temperature of Liquids by Isoteniscope
Published by ASTM on December 1, 2018
This test method covers the determination of the vapor pressure of pure liquids, the vapor pressure exerted by mixtures in a closed vessel at 40 % 6 5 % ullage, and the initial thermal decomposition...
This document references:
E1064 - Standard Test Method for Water in Organic Liquids by Coulometric Karl Fischer Titration
January 1, 2024
This test method covers the determination of water from 0 % to 2.0 % mass in most liquid organic chemicals, with Karl Fischer reagent, using an automated coulometric titration procedure. Use of this...
This document references:
GMW3059 - Restricted and Reportable Substances
Published by GMW on March 1, 2018
Material Description. This specification, and the associated CG4110, provides the GM requirements regarding substances whose use in materials and components have been identified by one or more...
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