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GB/T 41671-2022 Active
GB/T 41671-2022 Man-made fibers—Determination of solvent residues content
Abstract
This document describes the testing methods for the residual amounts of seven organic solvents (see Appendix A) and two inorganic solvents (sodium thiocyanate and concentrated sulfuric acid) in chemical fibers.
This document is applicable to some solution-spun chemical fibers, including spandex, acrylic fiber, polyimide fiber, meta-aramid fiber, polyvinyl alcohol fiber, ultra-high molecular weight polyethylene fiber, lyocell fiber, polyacrylonitrile-based carbon fiber precursor, and para-aramid fiber. Other solution-spun chemical fibers can be used as reference for application.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 41671-2022 |
| CCS | Chemical fibers |
| ICS | Artificial fibers |
| Implement Date | 2023-02-01 |
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