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GB/T 7690.4-2013 Active
GB/T 7690.4-2013 Reinforcements—Test method for yarns—Part 4:Determination of stiffness
Abstract
This part of GB/T 7690 specifies the method for determining the stiffness of untwisted rovings.
This method is applicable to all types of reinforcing materials made of untwisted rovings, but not to those with twisted structures.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 7690.4-2013 |
| CCS | Fiberglass |
| ICS | Textile glass fiber materials |
| Implement Date | 2014-06-01 |
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