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The coating of galvalume steel is composed of 55% aluminium, 43.4% zinc and 1.6% trace elements.

PPGL is a product made of galvalume steel sheet. After surface pre-treatment like chemical degreasing and conversion treatment of galvalume metal, one or several layers of organic coatings are coated on the surface and then cured by baking. Also because there are various colors of organic coatings, color steel coil named after this, referred to as color coated coil or prepainted galvalume steel sheet. The color coated steel coil price of the PPGL sheet is different according to the different patterns of pre-painted coil steel you choose.

Flow Chart of the Pre painted Galvalume Steel Coil Flow Chart Of the Pre painted Galvalume Steel

Types Of Pre-painted Galvalume Steel (PPGL)

Solid Color PPGL
Solid Color PPGL is one of the types of Pre-painted Galvalume Steel (PPGL),and RAL code can be selected to be made.

Wood PPGL
Wood Grain PPGL is one of the types of Pre-painted Galvalume Steel (PPGL) and can be customized to be made.

Camouflage Pattern PPGL
We supplies the best quality and price camouflage pattern ppgl made from camouflage pattern metal sheet.

Brick Pattern PPGL
Its outstanding advantages are acid rain resistance, ultraviolet resistance, damp heat resistance and low temperature resistance. As an excellent building material, the lifelike pattern can replace th...

Metallic Pattern PPGL
The metallic pattern ppgl is a kind of prepainted galvanized steel coil with the metallic pattern printed on.

Matt PPGL
The Matt ppgl is one type of the decoractive ppgl. We supplies the best quality and Matt ppgl made from camouflage pattern metal sheet.As one of the responsible pre painted steel coil suppliers, we gi...

Specifications of Pre-painted Galvalume Sheet (PPGL)
Prepainted Galvanized Steel Coil
PPGI/ PPGL/ HDGL/ HDGI
Cold Rolled Steel Sheet
StandardAISI, ASTM, BS, DIN, GB, JISGradeQ235B-0355B
TypeCold rolledSurfaceGalvalume
ColorRAL Code/ Customerized printechZinc coating15-275g/m2
Thickness0.15mm-1.2mmWidth600m-1250mm
Coil Weight3-5 Tons or RequiredCoil ID508mm/610mm
Painted SurfacePrinted/Matte/WrinkledCoatingPE/PVDF/HDP/SMP
Top Painting10-35 MicronsBack Painting5-35 Microns
MOQ25 Tons(1 20ft FCL)Place of OriginChina
Payment TermT/T(30% Deposit+70%)PackageStandard Sea-worthy Packing

Application of PPGL sheet
According to different thickness specifications and good corrosion resistance, the PPGL is more suitable for severe outdoor environments, which can be used in the power distribution cabinet (thickness of 1.2-2mm), solar water heater (0.32mm), anti-theft door panel, etc.

Differences between PPGI and PPGL
PPGI is short for pre-painted galvanized steel, while PPGL is short for pre-painted galvalume steel. Compared with PPGL, PPGI has relatively active chemical properties, so its anti-corrosion ability is quite different. The test under the same outdoor conditions shows that the service life of PPGL is more than four times that of PPGI. The aluminium-zinc alloy structure of PPGL is composed of 55% aluminium, 43.4% zinc and 1.6% silicon solidified at 600 ℃. The whole structure is composed of aluminium iron silicon zinc to form a dense quaternary crystal, so as to form a strong barrier to effectively prevent the penetration of corrosion factors.

1. Corrosion resistance:

Aluminized zinc has a stronger protective effect and better corrosion resistance than galvanized products. The corrosion resistance of the "55% aluminium-zinc plated steel coil" comes from the barrier protection function of aluminium and the sacrificial protection function of zinc. When zinc makes sacrificial protection in the cutting, scratch and coating scratch parts, aluminium forms an insoluble oxide layer to play the function of barrier protection.

2. Heat resistance:

The heat resistance of 55% Al Zn alloy steel plate is better than that of galvanized steel plate, which is similar to that of PPGI. PPGL steel plate can be used in high-temperature environments up to 315 ℃.

3. Reflectivity:

55% Al Zn alloy plated steel plate has high reflectivity, making it a heat resistant barrier; The thermal reflectivity of PPGL is almost twice that of PPGI. Therefore, it can also achieve an energy-saving effect by acting as a roof and panel without painting.

4. Paintability:

Due to the excellent adhesion between the zinc layer of PPGL and the paint, when used as a signboard for general purposes, it can be painted without pretreatment and weathering treatment; PPGI needs weathering treatment and pretreatment. So that the surface of the PPGL sheet is smoother than that of the PPGI sheet.

As one of the most professional prepainted galvanized steel coil manufacturers, we provide color coated steel, pre painted galvalume coil, pre painted galvalume, prepainted galvalume, pre painted coil steel, prepainted galvalume steel coil, galvanized steel coating and etc. Want to know more, contact us.