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Shenzhen Northtest Testing Technology Co., Ltd. Northtest group Third party certification body

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Services

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Hot Line 400-800-6106
Northtest group · headquarters
Tel:0755-36995505 Q Q: Email:ntek@ntek.org.cn Blocks B, C and E of Fenda Science and Technology Creative Park, Xixiang, Baoan District, Shenzhen

Testing of protective coatings

Basic introduction

Protective coatings mainly include anticorrosive coatings, waterproof coatings, and fireproof coatings. Beitesting provides professional protective coatings testing and analysis services. It can provide authoritative testing standards according to national, national, European, American, British, Japanese, and ISO testing standards Test Report.

Testing services

Anticorrosive coating testing
Zinc-rich primer, phenolic antirust paint, polyurethane antirust paint, ethylene phosphating primer, silicone temperature resistant paint, coal char tar varnish, epoxy coal tar primer, epoxy coal tar finish, epoxy asphalt Rust paint, thick paste aluminum powder epoxy asphalt antirust paint, thick paste epoxy asphalt antirust paint, epoxy coal asphalt pipeline special paint, asphalt varnish, asphalt boiler paint, etc.
Waterproof coating testing
Acrylic emulsion waterproof coating, polyurethane waterproof coating, polymer cement-based waterproof coating, acrylic waterproofing anticorrosive material, waterproof emulsified asphalt coating, colored emulsified asphalt coating, cationic emulsified asphalt waterproof coating, non-ionic emulsified asphalt waterproof coating, asphalt-based thick Waterproof coatings, asphalt paste thinning waterproof coatings, fatty acid emulsified asphalt, asphalt moisture-proof coatings, thick asphalt moisture-proof coatings, etc.
Fire coating testing
Fireproof coating for facing, fireproof coating for wood, fireproof coating for steel structure, fireproof coating for concrete structure, fireproof coating for tunnel, etc.

Test items

Basic properties: appearance, viscosity, density, fineness, flash point, outflow time, nonvolatile content, lacquer acid value, lacquer saponification value, lacquer softening point, lacquer glass transition temperature, storage stability, etc.
Construction performance: workability, coating amount, drying time, recoating time, filling property, abrasiveness, tackiness, scrub resistance, stain resistance, sag resistance, freeze-thaw cycle resistance, fire resistance, etc.
Film properties: film appearance, color, gloss, thickness, hardness, adhesion, transparency, hiding power, yellowing resistance, scratch resistance, impact resistance, abrasion resistance, bending test, flexibility, Buckholz Indentation test, scratch test, palletizing resistance test, cupping test, etc.
Paint film reliability: resistance to liquid media (water, acid, alkali, solvent, oil), humidity resistance, heat resistance, heat and humidity resistance, neutral salt spray resistance, light aging test (ultraviolet, xenon, carbon arc lamps, etc.) , Mold resistance and so on.
Environmental performance: benzene, toluene, xylene content, free TDI (toluene diisocyanate) content, soluble heavy metal content, VOC content, chlorinated hydrocarbon content, formaldehyde content, etc.

Testing standards

GB 12441-2005 facing fire retardant coating
GB 14907-2002 fire protection coating for steel structure
GB 28374-2012 cable fire coating
GB 28375-2012 fire protection coatings for concrete structures
JG / T 415-2013 Limits and detection methods for harmful substances in building fire-resistant coatings
GB / T 19250-2003 Polyurethane waterproof coating
GB / T 23446-2009 spray polyurea waterproof coating
GB / T 23445-2009 polymer cement waterproof coating
JC / T 852-1999 solvent-based rubber asphalt waterproof coating
JC / T 864-2008 polymer emulsion building waterproof coating
JC / T 408-2005 water-based asphalt waterproof coating
JC / T 674-1997 PVC elastic waterproof coating
HG / T 3668 zinc-rich primer
HG / T 3369 Mica phenolic antirust paint
GB / T 25263 chlorinated rubber anticorrosive coating
GB / T 27806 epoxy asphalt anticorrosive coating
GB / T 25258 perchloroethylene resin anticorrosive coating
JG / T 224 Anticorrosive coating for steel structure for building

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