GB/T 13658-1992
Polymethylene polyphenylene isocyanate (English Version)
- Standard No.
- GB/T 13658-1992
- Language
- Chinese, Available in English version
- Release Date
- 1992
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2016-07
- Replace By
- GB/T 13658-2015
- Latest
- GB/T 13658-2015
- Scope
- This standard specifies the technical requirements, test methods, inspection rules and requirements for marking, packaging, transportation and storage of polymethylene polyphenylisocyanate (hereinafter referred to as PAPI), one of the main raw materials of polyurethane. This standard applies to polymethylene polyphenylisocyanate produced by condensation and phosgenation of aniline.
GB/T 13658-1992 history
- 2015 GB/T 13658-2015 Polymethylene polyphenylene isocyanate
- 1992 GB/T 13658-1992 Polymethylene polyphenylene isocyanate
