basic introduction

ZRLK testing integrates industry-wide testing resources to provide you with professional wood coating testing and analysis services, which can meet your product development, procurement, production, sales, use and other different needs, and provide you with professional and authoritative testing reports and exclusive solutions. 

Testing service

Varnish testing

Ester varnish, phenolic varnish, alkyd varnish, nitro varnish, vinyl chloride varnish, etc.

Magnetic paint inspection

Various colors of phenolic enamel, various colors of alkyd enamel, various colors of nitro external enamel, various colors of vinyl chloride enamel, etc.

Wood primer detection

Polyurethane wood paint, unsaturated polyester wood paint, water-based wood paint, 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, stickiness, scrub resistance, stain resistance, sag resistance, freeze-thaw cycle 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 24410 Interior decoration materials The limit of harmful substances in water-based wood coatings.

GB 18581 Interior decoration materials The limit of harmful substances in solvent-based wood coatings.

GB/T 23999 water-based wood coatings for interior decoration.

GB/T 23995 Solvent-based alkyd wood coating for interior decoration.

GB/T 23997 Solvent polyurethane wood coating for interior decoration.

GB/T 23998 Solvent-based nitro wood coatings for interior decoration.

GB/T 23999 water-based wood coatings for interior decoration.

HG/T 3655 Ultraviolet (UV) curing wood paint.

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.