GB/T 32120-2015 Covering anticorrosion technology of oxiditive polymerization for steel structures

GB/T 32120-2022 Covering corrosion control technology of oxidative polymerization for steel structures

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 269-1991 Lubricating grease and petrolatum—Determination of cone penetration GB/T 269-2023 Determination of cone penetration of lubricating greases and petrolatum GB/T 1462-2005 Test methods for water absorption of fiber reinforced plastics GB/T 1725-2007 Paints,varnishes and plastics—Determination of non-volatile-matter content GB/T 1728-2020 Determination of drying time of coating and putty films GB/T 1865-1997 Paints and varnishes—Artificial weathering and exposure to artificial radiation—Filtered xenon-arc radiation GB/T 1865-2009 Paints and varnishes—Artificial weathering and exposure to artificial radiation—Exposure to filtered xenon-arc radiation GB/T 2794-1995 Determination methods for viscosity of adhesives GB/T 2794-2013 Determination for viscosity of adhesives—Single cylinder rotational viscometer method GB/T 2794-2022 Determination for viscosity of adhesives GB/T 3536-1983 Petroleum products—Determination of flash and fire points—Cleveland open cup method GB/T 3536-2008 Petroleum products—Determination of flash and fire points—Cleveland open cup method GB/T 3820-1997 Determination of thickness of textiles and textile products GB/T 3923.1-1997 Textiles—Tensile properties of fabrics—Part 1:Determination of breaking force and elongation at breaking force—Strip method GB/T 3923.1-2013 Textiles—Tensile properties of fabrics—Part 1:Determination of maximum force and elongation at maximum force using the strip method GB/T 6750-2007 Paints and varnishes—Determination of density—Pyknometer method GB/T 10125-1997 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2012 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2021 Corrosion tests in artificial atmospheres—Salt spray tests HB 5351.5-1986 Melting mold casting coating acidity determination method (PH meter method) HB 5351.5-2004 Test method for properties of investment casting slurry-Part 5:The pH-meter method for the determination of acidity HB 7736.2-2004 Test method for physical properties of composite material prepreg Part 2:Determination of mass per unit area