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

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

GB/T 1768-2006 Paints and varnishes—Determination of resistance to abrasion—Rotating abrasive rubber wheel method 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 5210-1985 Determination of adhesion of coats—Pull-off test GB/T 5210-2006 Paints and varnishes—Pull-off test for adhesion 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 8923.2-2008 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 2:Preparation grades of previously coated steelsubstrates after localized removal of previous coatings GB/T 8923.3-2009 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 3:Preparation grades of welds,edges and other areas with surface imperfections GB/T 8923.4-2013 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 4:Initial surface conditions,preparation grades and flash rust grades in connection with high-pressure water jetting GB/T 13288-1991 The assessment of profile grades of steel surface before application of paint and related products—Comparator 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 13288.2-2011 Preparation of steel substrates before application of paints and related products—Surface roughness characteristics of blast-cleaned steel substrates—Part 2:Method for the grading of surface profile of abrasive blast-cleaned steel—Comparator procedure GB/T 13288.3-2009 Preparation of steel substrates before application of paints and related products—Surface roughness characteristics of blast-cleaned steel substrates—Part 3:Method for the calibration of ISO surface profile comparators and for the determination of surface profile—Focusing microscope procedure GB/T 13288.4-2013 Preparation of steel substrates before application of paints and related products—Surface roughness characteristics of blast-cleaned substrates—Part 4:Method for the calibration of ISO surface profile comparator and for the determination of surface profile—Stylus instrument procedure GB/T 13288.5-2009 Preparation of steel substrates before application of paints and related products—Surface roughness characteristics of blast-cleaned steel substrates—Part 5:Replica tape method for the determination of the surface profile GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system GB/T 20624.2-2006 Paints and varnishes—Rapid-deformation (impact resistance) tests—Part 2:Falling-weight test,small-area indenter GB/T 17219-2025 Hygienic safety evaluation of distribution equipment,protective materials and treatment materials in drinking water system

EN 15189:2006