HG/T 21633-1991
Fiberglass Pipes and Fittings (English Version)
- Standard No.
- HG/T 21633-1991
- Language
- Chinese, Available in English version
- Release Date
- 1992
- Published By
- Professional Standard - Chemical Industry
- Latest
- HG/T 21633-1991
- Replace
- HGJ 534-1991
- Scope
- 1.1 This standard applies to FRP pipes and fittings manufactured by low-pressure contact molding and long fiber winding molding. 1.2 In this standard, low-pressure contact molding adopts single-sided no-pressure or low-pressure molding methods; it also includes winding methods such as textile fabrics, non-woven fabrics, and felts under low pressure, but does not include compression molding and semi-dry molding methods. its products. 1.3 This standard is based on a combination of glass fiber and unsaturated polyester resin, but other materials can also be used.
HG/T 21633-1991 history
- 1992 HG/T 21633-1991 Fiberglass Pipes and Fittings
