Basic introduction
North Test provides third-party CMA and CNAS authoritative test reports for thermal functional coatings, building energy-saving coatings, chemical functional coatings, and electromagnetic functional coatings, based on various coating test table standards, and around various performance indicators of functional coatings.
Testing services
Thermal Functional Coating Inspection
High temperature resistant thermal insulation coating, expanded high temperature resistant thermal insulation coating, transparent high temperature resistant thermal insulation coating, etc.
Building energy-saving paint testing
Sunscreen coatings, thermal insulation coatings, glass insulation coatings, etc.
Chemical functional coating testing
Ultra-high temperature anti-oxidation coating, composite ceramic high-temperature anti-corrosion coating, hydrofluoric acid-resistant anti-corrosion coating, smoke anti-corrosion coating, etc.
Optical Functional Coating Inspection
Light-reflective coatings, infrared radiation cooling coatings, high temperature resistant far-infrared radiation coatings, etc.
Electromagnetic functional coating testing
Amino drying insulation paint, alkyd drying insulation paint, silicone drying insulation paint, 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, 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
HG / T 2003-91 Electronic component paint
HG / T 2005-91 Magnetic paint for refrigerator
HG / T 3830 Coil Coating
HG / T 3366 various epoxy ester drying electrophoretic paint
HG / T 3371 Amino drying insulation paint
HG / T 3372 Alkyd drying insulation paint
HG / T 3375 Silicone drying insulation paint
HG / T 3952 Cathodic Electrophoretic Coating
HG / T 2006-2006 thermosetting powder coating
Our advantage
NTEK Group
Third party certification body
Hot Line
400-800-6106
Official account
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