Acrylic Coating Testing
Detection Range Applicable products: water-based acrylic coatings, solvent based acrylic coatings, thermoplastic acrylic coatings, thermosetting acrylic coatings, acrylic polyurethane coatings, gloss varnish, exterior wall acrylic coatings, anti-corrosion acrylic coatings, industrial baking paints, plastic acrylic coatings.
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Product Introduction

Detection range
Applicable products: water-based acrylic coatings, solvent based acrylic coatings, thermoplastic acrylic coatings, thermosetting acrylic coatings, acrylic polyurethane coatings, gloss varnish, exterior wall acrylic coatings, anti-corrosion acrylic coatings, industrial baking paints, plastic acrylic coatings.
Applicable substrates: metal, plastic, wood, building exterior walls, construction machinery, automotive parts, aluminum alloy, fiberglass, etc.
Applicable scenarios: raw material inspection, process control, factory inspection, type testing, engineering acceptance, environmental protection and weather resistance assessment, quality arbitration.
Testing items
(1) Original paint condition and construction performance
Appearance, color, fineness, viscosity, solid content, density, flash point, storage stability
Constructability, leveling, applicable period, surface drying time, actual drying time, drying conditions
(2) Appearance and physical properties of paint film
Appearance, color difference, gloss, clarity, and dry film thickness of paint film
Pencil hardness and adhesion (grid cut/pull off method)
Impact resistance, flexibility, cupping test, wear resistance, scratch resistance
(3) Environmental and aging resistance performance
Water resistance, alkali resistance, acid resistance, oil resistance, solvent resistance, moisture and heat resistance
Weather resistance: Xenon lamp aging, QUV ultraviolet aging, artificial climate aging
Salt spray performance: neutral salt spray, acetic acid salt spray, copper accelerated salt spray
Coating aging rating: loss of gloss, discoloration, powdering, blistering, rusting, cracking
(4) Special matching performance
Repeatability, interlayer adhesion, compatibility with primer/intermediate coat/topcoat
Scratch resistance (architectural coatings), mold resistance, and stain resistance
(5) Environmental Protection and Safety Performance
VOC content, free formaldehyde, benzene derivatives, heavy metals (lead, cadmium, mercury, hexavalent chromium)
Food contact migration amount (if applicable)

Testing standards
GB/T 1723-1993 Determination of viscosity of coatings
GB/T 1724-1979 Determination of Fineness of Coatings
GB/T 1725-2007 Determination of Non volatile Matter Content in Coatings
GB/T 1728-2020 Determination of Drying Time of Paint Films
GB/T 1730-2007 Determination of Film Hardness
GB/T 6739-2006 Pencil Hardness
GB/T 9286-1998 Cross grid Adhesion
GB/T 5210-2006 Pull off adhesion method
GB/T 1731-2020 Determination of Flexibility of Paint Films
GB/T 1732-2020 Impact resistance of paint film
GB/T 1733-1993 Water resistance of paint film
GB/T 1763-2008 Coating Resistance to Chemical Reagents
GB/T 1766-2008 Coating Aging Rating
GB/T 1865-2009 Xenon Lamp Artificial Climate Aging
GB/T 10125-2021 Salt Spray Test
GB/T 9755-2014 Synthetic Resin lotion Exterior Wall Coatings
GB 30981-2020 Limits of Hazardous Substances in Industrial Protective Coatings
GB 24410-2021 Limits of Hazardous Substances in Building Wall Coatings
was established in 2011. As a national high-tech enterprise recognized by the Zhejiang Provincial Higher People's Court as a judicial authentication institution for construction engineering quality, we specialize in structural performance testing and safety assessment of construction projects, special equipment, communication towers, electromagnetic environments, large bridges, and building safety appraisal.
The company has more than 100 professional and technical personnel, over 90% of whom hold various medium and senior technical certificates. Equipped with complete testing equipment worth over RMB 10 million, our business scope covers the whole country.















