1、 WORLDWIDE ENGINEERING STANDARDS Material Specification GMW16283 Refrigerant 2,3,3,3Tetrafluoro-1-Propene HFO-1234yf Copyright 2011 General Motors Company All Rights Reserved June 2011 Originating Department: North American Engineering Standards Page 1 of 3 1 Scope Note: Nothing in this standard sup
2、ercedes applicable laws and regulations. Note: In the event of conflict between the English and domestic language, the English language shall take precedence. 1.1 Material Description. This specification covers the overall requirements for 2 3,3,3-Tetrafluoro-1-Propene refrigerant (HFO-1234yf) for u
3、se in GM mobile air conditioning systems. 1.2 Symbols. Not applicable. 1.3 Typical Applications. Not applicable. 1.4 Remarks. Specification number and effective date of specification shall be referred to by suppliers when making quotations or acknowledging orders. 2 References Note: Only the latest
4、approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. AHRI 700C ASTM D2111 ANSI/ASHRAE 34 SAE J2842 ASTM D2109 SAE J2844 2.2 GM Standards/Specifications. GMW3059 2.3 Additional References. TMC003 Material Safety Data Sheet guidance documents (available
5、at ). 3 Requirements 3.1 Performance Requirements. Material supplied to this standard shall have performance characteristics equivalent to the accepted approved sources. GM reserves the right to require any additional tests that may be deemed necessary to ensure satisfactory vehicle component perfor
6、mance with candidate refrigerants submitted for approval. 3.2 Chemical and Physical Requirements. Material supplied to this specification shall have chemical and physical property values conforming to the established limits listed in Table 1, Table 2, and Table 3. No sample for specification testing
7、 shall be taken until the contents of the container have been mixed to ensure uniformity of the liquid phase and equilibrium with the gas phase. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without lic
8、ense from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16283 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 2 of 3 Table 1: Physical Properties Properties Test Method Units Value Appearance Visual Clear, colorless, liquefied gas Purity, percent (%) by weight as HFO-1234yf
9、Gas Chromatography per SAE J2844 % by weight 99.5 minimum High Boiling Residues ASTM D2109 % by volume 0.01 maximum Density at 25C ASTM D2111 kg/dm3 1.08 to 1.10 Table 2: Liquid Phase Contaminants (Maximum Limits) Contaminants Test Method Units Value Water Karl Fischer or equivalent ppm w/w 20 maxim
10、um Acidity AHRI 700C ppm w/w 1.0 maximum as HCl Other Refrigerants Gas Chromatography ppm w/w 5000 maximum HFO1225ye Gas Chromatography ppm w/w 150 maximum Non-volatile residue AHRI 700C ppm v/v 100 Chlorides and/or Fluorides Ion Specific Electrode or Ion Chromatography ppm w/w 3.0 maximum Table 3:
11、Vapor Phase Contaminants (Maximum Limit) Properties Test Method Units Values Non-condensable Gases AHRI 700C ppm-v/v 15 000 maximum 3.4 Label Requirements. Containers of material supplied to this specification shall, for ready identification of contents, prominently display the GM part number, refri
12、gerant number HFO-1234yf (ANSI/ASHRAE 34), batch number, and supplier name and other labeling requirements as outlined in SAE J2842. 4 Manufacturing Process Not applicable. 5 Rules and Regulations 5.1 Legal Regulations. All materials must satisfy applicable laws, rules, regulations and recommendatio
13、ns valid in the country of usage. 5.2 Language. In the event of conflict between the English and domestic language, the English language shall take precedence. 5.3 Inspection and Rejection. Samples of components or materials released to a GM material specification shall be tested for conformity with
14、 the requirements of this material specification and approved by the responsible Engineering department prior to commencement of delivery of bulk supplies. A new approval must be received for any changes, e.g., properties, manufacturing process, location of manufacture, etc. If not otherwise agreed,
15、 all testing and documentation normally required for initial release must be completed. It is the responsibility of the supplier to inform the customer in a timely manner, without solicitation, and to include documentation of all modifications of materials and/or processes and to apply for a new rel
16、ease. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16283 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 3 of
17、 3 If not otherwise agreed, all release tests shall be repeated and documented by the supplier prior to commencement of delivery of non-conforming bulk supplies. In individual cases, a shorter test can be agreed to between the responsible Engineering department and the supplier. 5.4 Initial Source A
18、pproval. No shipments shall be made by any supplier until representative initial production samples have been approved by the appropriate Materials Engineering department(s) as meeting the requirements of this specification. 5.5 Material Safety Data Sheets/Safety Data Sheets (MSDS/SDS). For new prod
19、uct submissions, or when a change in chemical composition of an existing product has occurred, a complete copy of the Material Safety Data Sheet/Safety Data Sheet must be submitted in compliance with the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) requirements or oth
20、er country-specific MSDS/SDS requirements. In addition, product MSDS/SDS submissions must be in compliance with specific country General Motors TMC003 Material Safety Data Sheet/Safety Data Sheet guidance documents where available. 5.6 All materials supplied to this standard must comply with the req
21、uirements of GMW3059, Restricted and Reportable Substances for Parts. 6 Approved Sources Engineering qualifications of an approved source are required for this standard. Only sources listed in the GM Materials File GM Supply Power) under this standard number have been qualified by Engineering as mee
22、ting the requirements of this standard. For other GM locations, the responsible Engineering group should be contacted to obtain the approved source in that individual country. 7 Notes 7.1 Glossary. Not applicable. 7.2 Acronyms, Abbreviations, and Symbols. AHRI Air-Conditioning, Heating and Refrigera
23、tion Institute ANSI American National Standards Institute ASHRAE American Society of Heating, Refrigerating, and Air-Conditioning Engineers GHS Globally Harmonized Systems GSSLT Global Subsystem Leadership Team HCl Hydrogen Chloride HFO Heavy Fuel Oil MSDS Material Safety Data Sheet NIST National In
24、stitute for Standards PPM Parts per million SDS Safety Data Sheet SAE SAE International 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: Material HFO-1234yf Refrigerant per GMW16283 9 Release and Revisions This standard was originated in July 2009. It
25、 was first approved by the Global Materials Engineering Team in June 2011. It was first published in June 2011. Issue Publication Date Description (Organization) 1 June 2011 Initial publication. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
