Chinese Standard: GB/T 7690.6-2013

Reinforcements—Test method for yarns—Part 6:Determination of twist balance index

IDT  ISO 3343:2010

全国玻璃纤维标准化技术委员会(SAC/TC 245)

GB/T 7690的本部分规定了由玻璃纤维、碳纤维、芳纶纤维或其他增强纤维制成的合股纱和缆线捻度平衡指数的测定方法。

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