Color Steel Sheet and Ppgi Coil Prepainted Galvanized Steel Coil
Base metal |
Hot galvanized steel |
Standard |
ASTM A653M/A924M 1998,JIS G3302,JIS G3312 |
Grade |
DX51D,SGCC,SPCC,SGCH |
Thickness |
0.14-1.2mm |
Width |
600-1200mm |
Coil Weight |
3-7ton |
Quality: |
DX51D |
Color |
all RAL colors( standard international color) or customers samples color |
Zinc Coating |
60-120g/m2 |
Coil ID |
508mm-610mm |
Surface Protection |
PE,PVDF,SMP,HDP |
Surface Treatment |
Chromate,oil/unoil,bright finish,spangle,anti-finger |
Packing |
standard export package |
technique |
cold rolled, hot-dipped galvanizing, color coated |
painting |
Top and bottom:20mic+5mic RMP |
tolerance |
Thickness:+/-0.02mm |
Applications of Prepainted Galvanized Steel Coil(PPGI)
Construction |
Outside |
Workshop, agricultural warehouse, residential precast unit, corrugated roof, roller shutter door, rainwater drainage pipe, retailer booth |
Inside |
Door, doorcase, light steel roof structure, folding screen, elevator, stairway, vent gutter |
|
Electrical appliance |
Refrigerator, washer, switch cabinet, instrument cabinet, air conditioning, micro-wave oven, bread maker |
|
Furniture |
Central heating slice, lampshade, chifforobe, desk, bed, locker, bookshelf |
|
Carrying trade |
Exterior decoration of auto and train, clapboard, container, isolation lairage, isolation board |
|
Others |
Writing panel, garbage can, billboard, timekeeper, typewriter, instrument panel, weight sensor, photographic equipment |
|
Structure of Prepainted Galvanized Steel Coil(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 |
Common performance of front coating
(1). Thickness: ≥20μm
(2). Pencil Hardness: 2H
(3). 60° specular glossiness of coating: >60
(4). 180°bend: ≤3T
(5). Impact: ≥9J
(6). Salt Fog Resistant: ≥500h
(7). Color difference:
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