标准号:IS 4910 Pt.5-1989
发布日期:1989/11/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard ( Part 5) prescribes method for determination of heat shrinkage and heat shrinkage force developed in nylon ( polyamide ) tyre yarns and cords when exposed to elevated temperature under a standard pre-tension of 4·4 ± 0·9 mN/tex. This standard is applicable to nylon (polyamide) tyre yarns and cords taken from cheeses, cones, bobbins, spools or tyre cord warpsheets. In case of tyre cord warpsheets, the cords shall be removed from the warpsheets for testing.