basic introduction

Protective coatings mainly include anticorrosive coatings, waterproof coatings, and fireproof coatings. ZRLK testing provides professional protective coating testing and analysis services. It can provide authoritative testing based on national, industrial, European, American, British, Japanese, ISO and other testing standards. report.

Testing service

Anti-corrosion coating testing

Zinc-rich primer, phenolic anticorrosive paint, polyurethane anticorrosive paint, ethylene phosphating primer, silicone temperature-resistant paint, coal tar pitch varnish, epoxy coal pitch primer, epoxy coal pitch topcoat, epoxy asphalt anti-corrosion Rust paint, thick paste aluminum powder epoxy asphalt anti-rust paint, thick paste epoxy asphalt anti-rust 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, coagulation waterproof anti-corrosion material, waterproof emulsified asphalt coating, colored emulsified asphalt coating, cationic emulsified asphalt waterproof coating, non-ionic emulsified asphalt waterproof coating, asphalt-based thick Waterproof coating, asphalt ointment diluted waterproof coating, fatty acid emulsified asphalt, asphalt moisture-proof coating, thick asphalt moisture-proof coating, etc.

Fireproof coating inspection

Fire retardant coatings for wood, fire retardant coatings for wood, fire retardant coatings for steel structures, fire retardant coatings for concrete structures, fire retardant coatings for tunnels, etc.

Test items

Basic properties: appearance, viscosity, density, fineness, flash point, outflow time, non-volatile content, lacquer base acid value, lacquer base saponification value, lacquer base softening point, lacquer base glass transition temperature, storage stability, etc.

Construction performance: workability, coating amount, drying time, recoating time, filling, sanding, tackiness, scrub resistance, stain resistance, sag resistance, freeze-thaw cycle resistance, fire resistance, etc.

Film performance: appearance, color, gloss, thickness, hardness, adhesion, transparency, hiding power, yellowing resistance, scratch resistance, impact resistance, abrasion resistance, bending test, flexibility, Buckholtz Indentation test, scratch test, palletizing resistance test, cupping test, etc.

Reliability of paint film: resistance to liquid medium (water, acid, alkali, solvent, oil), moisture resistance, heat resistance, humidity resistance, neutral salt spray resistance, light aging test (UV, xenon lamp, carbon arc lamp, etc.) , Fungus resistance, etc.

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 fireproof coating for steel structure

GB 28374-2012 cable fireproof coating

GB 28375-2012 fireproof coating for concrete structure

JG/T 415-2013 Limits and testing methods of harmful substances in architectural fireproof 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 architectural waterproof coating

JC/T 408-2005 Water emulsion asphalt waterproof coating

JC/T 674-1997 PVC elastic waterproof coating

HG/T 3668 zinc rich primer

HG/T 3369 Cloud Iron Phenolic Antirust Paint

GB/T 25263 chlorinated rubber anticorrosive coating

GB/T 27806 epoxy asphalt anticorrosive coating

GB/T 25258 Perchlorinated vinyl resin anticorrosive coating

JG/T 224 anticorrosive paint for steel structure of building

Our advantage

1. With a professional qualification and experienced expert technical team, we can provide you with professional consultation and services.

2. Have advanced laboratory equipment to ensure the accuracy and reliability of test data.

3. As a third-party testing and certification organization trusted by customers worldwide, we are your certificate of quality.