CNS 13970-1997
Method of test for content of asbestos in sprayed fire-resistive materials applied to steel structure (English Version)
- Standard No.
- CNS 13970-1997
- Language
- Chinese, Available in English version
- Release Date
- 1997
- Published By
- Taiwan Provincial Standard of the People's Republic of China
- Latest
- CNS 13970-1997
- Scope
- This standard specifies the test method for the asbestos content of fireproof thin materials directly sprayed on the surface of steel structures. Remarks 1. This test method defines asbestos fibers as those whose length-to-diameter ratio is greater than 3: l and have the optical properties of asbestos. To identify whether asbestos is contained in samples of fireproof coating materials directly sprayed on the surface of steel structures, the first step is to Check the fiber distribution in the sample with a low-magnification stereomicroscope, and then
CNS 13970-1997 history
- 1997 CNS 13970-1997 Method of test for content of asbestos in sprayed fire-resistive materials applied to steel structure
