JC/T 221-2009
Asbestos yarn & thread (English Version)
- Standard No.
- JC/T 221-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- Professional Standard - Building Materials
- Latest
- JC/T 221-2009
- Replace
- JC/T 221-1994
- Scope
- This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of asbestos yarn and thread. This standard applies to yarns made of chrysotile asbestos fibers or chrysotile asbestos fibers mixed with other fibers by dry or wet spinning. It also applies to asbestos yarns twisted by two or more asbestos yarns, and asbestos yarns with various Reinforcement material of asbestos yarn and thread.
JC/T 221-2009 Referenced Document
- GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
JC/T 221-2009 history
- 2009 JC/T 221-2009 Asbestos yarn & thread
- 1994 JC/T 221-1994 asbestos yarn
