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QC/T 797-2008

Chinese Standard: 'QC/T 797-2008'
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Detail Information of QC/T 797-2008; QC/T797-2008
Description (Translated English): Material identification & marking of automotive plastic, rubber & thermoplastic elastomer parts
Sector / Industry: Automobile & Vehicle Industry Standard (Recommended)
Classification of Chinese Standard: T40
Classification of International Standard: 43.040.99; 43.040.01
Word Count Estimation: 10,165
Date of Issue: 2008-02-01
Date of Implementation: 2008-07-01
Quoted Standard: GB/T 1844.1; GB/T 1844.2; GB/T 1844.3; GB/T 2035; GB/T 5576; GB 5577; GB/T 15237.1; ISO 1043-4; ISO 18064
Adopted Standard: ISO 11469-2000, MOD
Drafting Organization: Pan Asia Technical Automotive Center Co., Ltd.
Administrative Organization: National Automotive Standardization Technical Committee
Regulation (derived from): NDRC Notice No. 11 of 2008
Summary: This standard specifies the automotive plastic parts, rubber parts and pieces of thermoplastic elastomer material identification and marking requirements. This standard applies to the quality of automotive plastic parts over 100g, 200g of mass exceeding thermoplastic elastomer rubber parts and pieces of material identification and marking, but not for the identification and marking tires. Quality products than specified in this standard, you can refer to this standard.

QC/T 797-2008
QC
AUTOMOTIVE INDUSTRY STANDARD
OF THE PEOPLE'S REPUBLIC OF CHINA
Material identification & marking of automotive plastic,
rubber & thermoplastic elastomer parts
汽车塑料件, 橡胶件和热塑性弹性 体件的材料标识和标记
ISSUED ON. FEBRUARY 01, 2008
IMPLEMENTED ON. JULY 01, 2008
Issued by. National Development and Reform Commission
Table of Contents
Foreword ... 5 
1 Scope ... 6 
2 Normative references ... 6 
3 Terms and definitions ... 7 
4 Symbols and abbreviated terms ... 7 
5 Technical requirements for identification symbols ... 8 
Announcement
By National Development and Reform Commission
2008 No.11
With the approval of the National Development and Reform Commission, 351
industrial standards such as “Automotive Fuel Consumption Labels” etc. (see annex
for standard numbers, descriptions and dates coming into force) which include 4
automotive industry standards, 253 mechanical industry standards, 32 light industry
standards, 14 architectural material industry standards, 10 textile industry standards,
18 chemical industry standards, 4 ferrous metallurgy industry standards, 3 packaging
industry standards, 1 logistics industry standards, 1 pharmaceutical equipment
industry standards and 11 rare earth industry standards are issued hereby.
The above mechanical industry standards are published by China Machine Press.
The light industry standards are published by China Light Industry Press. The
architectural material standards are published by Architectural Material Industry Press.
The textile, logistics and rare earth industry standards are published by China
Standardization Press. The ferrous metallurgy industry standards are published by
Metallurgical Industry Press. The automotive, packaging, pharmaceutical equipment
and chemical engineering construction industry standards are published by China
Planning Press. The chemical product industry standards are published by Chemical
Industry Press.
Annex. Standard numbers, descriptions and dates coming into force of four
automotive industry standards
National Development and Reform Commission
February 1, 2008
Annex.
Standard numbers, descriptions and dates coming into force of four automotive
industry standards
SN Standard number Standard description
Date coming into
force
1 QC/T 796-2008 Automotive fuel consumption labels July 1, 2008
2 QC/T 797-2008
Material identification & marking of
automotive plastic rubber &
thermoplastic elastomer parts
July 1, 2008
3 QC/T 798-2008 Multi-layers plastic tubing for automotive fuel system July 1, 2008
4 QC/T 799-2008 Telescopic belt truck conveyer July 1, 2008
Foreword 
This Standard revised and adopted ISO 11469.2000 “Plastics - Generic Identification
and Marking of Plastic Products”. The main differences between this Standard and
ISO 11469.2000 are. directly REFERENCE the corresponding national standards,
DELETE the definition associated with computer terminology given in the original
standard, REDEFINE the scope of this Standard, ADD requirements for material
identification and marking of automotive plastic, rubber and thermoplastic elastomer
parts.
This Standard was proposed by the National Technical Committee of Auto
Standardization.
This standard shall be under the jurisdiction of the National Technical Committee of
Auto Standardization.
Drafting organization of this Standard. Pan Asia Technical Automotive Center Co., Ltd.
Main drafter of this Standard. Li Minglin.
This Standard is issued for the first-time.
Material identification & marking of automotive plastic,
rubber & thermoplastic elastomer parts
1    Scope 
This Standard specifies the requirements for material identification and marking of
automotive plastic, rubber and thermoplastic elastomer parts.
This Standard applies to material identification and marking of automotive plastic with
the mass exceeding 100 g, rubber with the mass exceeding 200 g and thermoplastic
elastomer parts, this Standard does not apply to identification and marking of
automotive tires. For the product with the mass lower than the value specified in this
Standard, this Standard can be referenced.
2    Normative references 
The provisions in following documents become the provisions of this Standard through
reference in this Standard. For dated references, the subsequent amendments
(excluding corrigendum) or revisions do not apply to this Standard, however, parties
who reach an agreement based on this Standard are encouraged to study if the latest
versions of these documents are applicable. For undated references, the latest edition
of the referenced document applies.
GB/T 1844.1 Plastics - Symbols and abbreviated terms - Part 1. Basic polymers
and their special characteristics (GB/T 1844.1-1995, ISO 1043-1.1987, NEQ)
GB/T 1844.2 Plastics - Symbols and abbreviated terms - Part 2. Fillers and
reinforcing materials (GB/T 1844.2-1995, ISO 1043-2.1987, NEQ)
GB/T 1844.3 Plastics - Symbols and abbreviated terms - Part 3. Plasticizers
(GB/T 1844.3-1995, ISO 1043-3.1987, NEQ)
GB/T 2035 Terms and definitions for plastics (GB/T 2035-1996, ISO 472. 1988,
EQV)
GB/T 5576 Rubbers and lattices - Nomenclature (GB/T 5576-1997, ISO
1629.1995, IDT)
GB 5577 Codification of types for synthetic rubbers
Example. For a product made of three components, the visible one being a thin
coating of polyvinyl chloride (PVC) over a polyurethane foaming plastic (PUR)
containing an insert of acrylonitrile-butadiene-styrene (ABS) that is the major
components by mass, marked as.
> PVC, PUR, ABS <
5.1.5 Identification of rubber and thermoplastic elastomer products.
Identification of automotive rubber and thermoplastic elastomer products shall
emphasizes the primary material, and be marked according to the format specified in
5.1.1.
Example 1. For a product containing a mixture of natural rubber (NR) and styrene
butadiene rubber (SBR), marked as.
> NR + SBR <
Example 2. For fuel hose product externally coated with chloroprene rubber (CR) and
internally coated with acrylonitrile-butadiene rubber (NBR), the middle enhancement
line of which is not identified, marked as.
External layer > CR < internal layer > NBR < or > CR, NBR <
Example 3. For cooling circulating hose product internally coated with
ethylene-propylene-diene monomer rubber (EPDM) (p......
Related standard:   QC/T 924-2011  QC/T 759-2006
   
 
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