HG/T 4372-2012 《Composite pipes and fittings for chemical industry》 Related products

This standard specifies the terms, definitions, technical requirements, inspection methods, inspection rules, product marking and transportation requirements for composite pipes and pipe fittings for chemical industry. It is applicable to fiberglass reinforced Resin-based composite pipes and pipe fittings. The manufacturing process is low pressure contact molding or fiber winding molding. The standard refers to a series of related documents, including GB/T 1447, GB/T 2576, etc., to ensure that the test conforms to the latest standards. Terms and definitions include low pressure contact molding, fiber winding molding, etc. Raw material requirements include Resin conforms to the provisions of GB/T 8237 and GB 13115.