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HB/Z 5095.2-2004 Methods for analysis of cyaniding plating brass solutions -- Part 2: Determination of free sodium cyanate content by potentiometric titrimetric method 60.0 via email in 1~3 business day valid
HB 5476-1991 Method of Bonding Strength Test for Heat Spray Coating Layer 135.0 via email in 1~3 business day valid
GB/T 17850.3-1999 Preparation of steel substrates before application of paints and related products - Specifications for non-metallic blast-cleaning abrasives - Copper refinery slag 90.0 via email in 1~3 business day valid
GB/T 11377-2005 Metallic and other inorganic coatings-Genenal rules for corrosion tests applicable for storage conditions 120.0 via email in 1~3 business day valid
HB/Z 5092.1-2001 30.0 via email in 1~3 business day valid
GB/T 18570.11-2009 Preparation of steel substrates before application of paints and related products - Tests for the assessment of surface cleanliness - Part 11: Field method for the turbidimetric de 120.0 via email in 1~3 business day valid
GB/T 33378-2016 Technical specification of cathodic protection 435.0 via email in 1~5 business day to be valid
GB/T 9791-2003 conversion coatings on zine, cadmium, aluminium-zine alloys and zinc - Aluminium alloys - Test methods 105.0 via email in 1~3 business day valid
GB/T 19816.5-2005 Preparation of steel substrates before application of paints and related products—Test methods for metallic blast-cleaning abrasives—Part5:Determination of percentage defective particles and of microstructure 60.0 via email in 1~3 business day valid
GB/T 12307.3-1997 Metallic coatings-Test methods for electrodeposited silver and silver alloy coatings. Part 3: Determination of the presence of residual salts 45.0 via email in 1~3 business day valid
HB/Z 5086.2-2000 Analysis Method for Cyaniding Electrocoppering Solution - Determination of Sodium Cyanide (Free) 45.0 via email in 1~3 business day valid
GB/T 19816.3-2005 Preparation of steel substrates before application of paints and related products- Test methods for metallic blast-cleaning abrasives- Part 3: Determination of hardness 60.0 via email in 1~3 business day valid
SJ 1284-1977 Methods for evaluation of corrosion test results for metallic coatings and chemically treated layers 30.0 via email in 1~3 business day valid
HB/Z 5109.6-2001 30.0 via email in 1~3 business day valid
QJ 480-1990 Test Method for Metal Clad Sheet Porosity 60.0 via email in 1~3 business day valid
GB/T 5270-2005 Metallic coatings on metallic substrates?Electrodeposited and chemically deposited coatings?Revies of methods available for testing adhesion 120.0 via email in 1~3 business day valid
GB/T 17850.1-2002 Preparation of steel substrates before application of paints and related products - Specifications for non-metallic blast-cleaning abrasives - General introduction and classification 90.0 via email in 1~3 business day valid
QJ 483-1990 Test Method for Breakdown Voltage of Aluminium and Aluminium Alloy Insulation Anodization Film 30.0 via email in 1~3 business day valid
GB/T 31565-2015 Vitreous ang porcelain enamels―Determination of the edge covering on enamelled steel plate to be used in heat exchangers 165.0 via email in 1~3 business day valid
HB/Z 5077-1978 Chemical oxidation process for aluminum and aluminum alloy (phosphoric acid-chromic acid method) 105.0 via email in 1~3 business day valid
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