GB/T 24596-2021 Ductile iron pipes and fittings—Polyurethane coatings

GB/T 24596-2009 Ductile iron pipes and fittings—Polyurethane coatings

GB/T 1040.3-2006 Plastics—Determination of tensile properties—Part 3:Test conditions for films and sheets GB/T 1768-2006 Paints and varnishes—Determination of resistance to abrasion—Rotating abrasive rubber wheel method GB/T 8923.1-2011 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings GB/T 1771-1991 Paints and varnishes—Determination of resistance to neutral salt spray GB/T 1771-2007 Paints and varnishes—Determination of resistance to neutral salt spray(fog) GB/T 2411-1980 Plastics—Shore hardness test GB/T 2411-2008 Plastics and ebonite—Determination of indentation hardness by means of a durometer(shore hardness) GB/T 3505-2000 Geometrical product specifications (GPS)—Surface texture:Profile method—Terms, definitions and surface texture parameters GB/T 3505-2009 Geometrical Product Specifications (GPS)—Surface texture:Profile method—Terms,definitions and surface texture parameters GB/T 5210-1985 Determination of adhesion of coats—Pull-off test GB/T 5210-2006 Paints and varnishes—Pull-off test for adhesion GB/T 13288.1-2008 Preparation of steel substrates before application of paints and related products—Surface roughness characteristics of blast-cleaned substrates—Part 1:Specification and definitions for ISO surface profile comparators for the assessment of abrasive blast-cleaned surfaces GB/T 13295-2003 Ductile iron pipes,fittings and accessories for water or gas applications GB/T 13295-2008 Ductile iron pipes,fittings and accessories for water or gas applications GB/T 13295-2013 Ductile iron pipes,fittings and accessories for water or gas applications GB/T 13295-2019 Ductile iron pipes,fittings and accessories for water or gas applications GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system GB/T 26081-2010 Ductile iron pipes,fittings and accessories for sewage applications GB/T 26081-2022 Ductile iron pipes,fittings and accessories for sewerage applications GB/T 34202-2017 Ductile iron pipes,fittings and accessories—Epoxy coating(heavy-duty) GB/T 17219-2025 Hygienic safety evaluation of distribution equipment,protective materials and treatment materials in drinking water system