Standard No.:	QC/T 709-2004
Chinese Name:	汽车密封条压缩永久变形试验方法
English Name:	Test method of compression set for automobile weatherstrips
Professional Classification:	G43 Rubber seal
Professional Classification:	QC Professional Standard - Automobile
ICS Classification:	21.140
Issued by:
Issued on:	2004-10-20
Implemented on:	2005-04-01
Status:	VALID
Language:	English
File Format:	PDF
Word Count:	2500 words
Price(USD):	75 (USD)
Delivery:	via email in 1-3 business day

1 Scope

This standard specifies the test method of compression set for automobile weatherstrips.

This standard is applicable to the test of compression set for automobile weatherstrips.

2 Normative references

The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies.

GB/T 2941 Rubber - Standard temperatures, humidities and times for the conditioning environmental and testing of test pieces (eqv ISO 471: 1983)
GB/T 9868 Rubber - General directions for achieving elevated or subnormal temperatures for test purposes (idt ISO 3383: 1985)
GB/T 8170 Rules for rounding off of numerical values

3 Theory