ChinaAutoRegs｜GB/T 3672.1-2002 英文版/English/翻译/橡胶制品的公差 第1部分：尺寸公差
Rubber–Tolerances of products–Part 1:Dimensional tolerances

1 Scope
This Standard specifies classes of dimensional tolerances, and their values, for moulded, extruded and calendered solid rubber products. The relevant test methods necessary for the establishment of compliance with this Standard are also specified.
The tolerances are primarily intended for use with vul¬canized rubber but may also be suitable for products made of thermoplastic rubbers.
This Standard does not apply to precision to¬roidal sealing rings or to calendered composite prod¬ucts such as rubber-coated fabrics or products where a rubber coating is applied by the process of topping or skim coating.
2 Normative references
The following standards contain provisions which, through reference in this text, constitute provisions of this Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards listed below.
GB/T 321-1980 Preferred numbers — Series of preferred numbers
GB/T 2941-1991 Standard temperature, humidity and time for environmental regulation and testing of rubber samples (eqv ISO 471:1995)
GB/T 5723-1993 Rubber, vulcanized or thermoplastic－Determination of dimensions of test pieces and products for test purposes (eqv ISO 4648:1991)
GB/T 6031-1998 Rubber, vulcanized or thermoplastic — Determination of hardness (hardness between 10 IRHD and 100 IRHD) (idt ISO 48:1994)
ISO 2230:1973 Vulcanized rubber — Guide to storage.

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