basic introduction

Professional vehicle and boat coating testing services, rich technical experience, accurate performance index testing data, ZRLK testing integrates industry-wide resources, provides you with reliable decision-making basis, fair testing reports, and helps you control product quality and win market competition.

Testing service

Automotive paint testing

Automotive primers, automotive topcoats, bicycle primers, bicycle topcoats, agricultural and forestry tractors and machinery coatings, anti-rust primers for railway locomotives, topcoats for railway locomotives, thick paste alcohols for railway trucks Acid paint, etc.

Workshop paint inspection

Phenolic modified phosphating primer, epoxy zinc-rich primer, zinc orthosilicate powder primer, metal-free zinc powder primer, etc.

Marine paint inspection

Asphalt bottom anti-corrosion paint, chlorinated rubber bottom anti-corrosion paint, epoxy asphalt bottom anti-corrosion paint, bituminous cuprous oxide antifouling paint, chlorinated rubber and vinyl cuprous oxide antifouling paint, organic tin antifouling paint, Organic tin polymer antifouling 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/T 13492 various topcoats for automobiles

GB/T 13493 Automobile primer

GB 24409 Limits of harmful substances in automotive coatings

HG/T 3833 Bicycle primer

HG/T 3832 Bicycle topcoat

GB/T 6745 Hull paint

GB/T 6746 Marine oil tank paint

GB/T 6747 Primer for marine workshop

GB/T 6748 Marine anti-rust paint

GB/T 9261 Deck 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.