Product

Product

Professional Supplier of Coatings

STEEL COIL COATING

The coatings developed by our company are made from polyester resin and weather-resistant color pastes. The semi-finished products feature a smooth and flat surface, high saturation, good adhesion, acid and alkali resistance, and excellent mechanical processing performance.

COATING PERFORMANCE TESTING INDICATORS


PEHDPE
Film thickness5+10μm-15μm5+15μm-20μm
HardnessF-2HH
Gloss±5°(depend on customer requirement)±5°(depend on customer requirement)
Reverse impact9J9J
T-bend≤2T2T
Solvent resistance≥100(kilogram force),metallic paint series≥50≥100(kilogram force), metallic paint series≥50
Salt fog600Hr≥1000Hr
QUV≥1000Hr,Chalking≤2 Class≥1500Hr,Gloss retention ≥50%,Chalking≤2 Class
acid-alkali resistance24Hr 5%H2CL,24Hr 5%NaOH24Hr 5%H2CL,24Hr 5%NaOH
Warranty5-10 YearsWithin 15 Years

COATING PROCESS OF COIL STEEL COATING


· Roller coating
· Two-Coat and Two-Dry

  • Pre-treatment

    1

  • Drying

    2

  • primer paint special for roller coil(10μm)

    3

  • Drying(209-216℃x60-70)

    4

  • Roller finish coat paint(film thickness18-20μm)

    5

  • Drying(224-241℃x70-90)

    6

  • Inspection

    7

  • Winding

    8