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Multicolor Metal Roofing Sheets
PPGI & PPGL Sheet Coating Layer
Top (Finish) Coating (PE/HDP/PVDF, etc.)
Primer Coating
Pre Treatment (Chromate Coating)
Plating Layer (Zn, AL, 55%AL+Zn)
Base Metal (Cold Rolled Steel Sheet)
Plating Layer (Zn, AL, 55%AL+Zn, Sn, Cr etc.)
Pre Treatment (Chromate Coating)
Functional Painting (Epoxy, Polyester )
PPGI paint coating
Coating primer |
Top paint coating |
Service life(years) |
1) Epoxy primer, good adhesion, water resistance, alkali resistance, chemical corrosion resistance, poor single toughness. |
1) Polyester resin, good adhesion, molding and outdoor durability. |
8-10 |
2) Silicon Modified Polyester (SMP) |
10-15 |
|
3) High weather resistant polyester (HDP) |
12-15 |
|
4) Polyvinyl fluoride (PVC) |
12-15 |
|
5) Polyvinylidene fluoride/fluorocarbon (PVDF) It has good formability and color retention, good outdoor durability and powder resistance, solvent resistance, limited color and high price. |
12-20 |
Quality Control
We have our own Physical & Chemical Testing Center Lab. to guarantee our product quality. Our test items & instrument fully meet international standards.
Packing Details
Standard Export Packing:
● 4 eye bands and 4 circumferential bands in steel
● Galvanized metal fluted rings on inner and outer edges
● Galvanized metal and waterproof paper wall protection disk
● Galvanized metal and waterproof paper around circumference and bore protection
About the sea worthy packaging: extra reinforcement before shipment to ensure that the goods are safer and less damaged to customers.
http://www.gneeppgi.com/