Loading Port:Shanghai
Payment Terms:TT OR LC
Min Order Qty:36 m.t.
Supply Capability:30000 m.t./month
BASE SUBSTRATE | Hot dip galvanized steel (HDGI), ZINCALUME STEEL COIL |
GRADE | SGCC,ENG10142, DX51D, ASTM A653 |
ZINC COATING | 30-200g |
COIL WEIGHT | 3-7TON |
INTERNAL DIAMETER(ID) | 508mm |
THICKNESS | 0.2-0.8 mm |
WIDTH | 914-1250mm |
FINISHING | SMOOTH OR MATTE |
PATTERN | MARBLE GRAIN OR WOOD GRAIN |
PAINT | EXPOXY, POLYESTER, PVDF |
TOP LACQURE COATING | >20 um |
BACK LACQURE COATING | 7 um |
CAPABILITY | 100000 TON per year |
QUALITY QURANTEE | 10 YEARS OF OUTDOOR USING FOR PE |
Applications of Prepainted Galvanized Steel Coil:
1) Buildings and constructions: roofing, ceilings, gutters, venting lines, indoor decorations, window frames, etc.
2) Electrical appliances: computer shells, washing machines, refrigerators, dehumidifiers, video recorders, water heaters, etc.
3) Agricultural equipments: troughs, feeding tools, agricultural driers, irrigation channels, etc.
4) Vehicle parts: back-seat plates of buses and trucks, conveying systems, oil tanks, etc.
Coating Chief Feature
Project | Pencil hardness | Reverse impact | T bending | Cupping test | MEK cleaning |
Front/back | ≥ H/2H | ≥ 9J/6J | ≤ 3T/5T | ≥ 6mm/4mm | ≥ 100time/50time |
Structure of GI/PPGI
Item | Thickness | Type | Feature |
Laminated film | 50μm | Polyethylene | Protecting from scratchs and contamination (option) |
Top coat | 20μm | Polyester Fluorine | Chemical resistance and formability |
Primer coat | 5μm | Polyester | Workability, corrosion resistance and adhesion to the primer coating |
Chemical treatment | 1μm | Chromate | Good adhesion and corrosion resistance |
Substrate | 0.2mm-1.2mm | GI.GL,AL | GI.GL,AL |
Back coat |
5±2μm |
Epoxy | Corrosion resistance and adhesion to the substrate |