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Pre-painted Galvalume Steel

PPGL is an abbreviation of pre-painted galvalume steel, which is coated with 55% aluminum, 43% zinc, and 2% silicon. PPGL usually uses a hot-dip galvalume sheet(GL) as substrate; cleans, pretreats, and coils the GL sheet, then coats it with an organic coating layer, which is called the coil coating process.

PPGL Structure

PPGL Structure

Pre-painted Galvalume Technical Parameter

Item Product parameter
Substrate GL
Thickness 0.12mm-1.2mm
Width 600mm-1250mm
Coil weight 3-5tons, can be customized
Coatings PE, SMP, HDP, PVDF
Coating thickness Top:11-35μm, Back:5-14μm
Paint surface Matt/wrinkled/glossy
Colors As per RAL color, it can be customized
Monthly production 5000-10000 tons
Certificates ISO 9001, SGS, CE, BV
Package Standard export package

Advantages of PPGL

1. Excellent corrosion resistance

Because of the 55% Aluminum, the corrosion resistance of PPGL is much better than PPGI, making the user life longer.

2. High heat reflectivity

High heat resistance makes the building structure cool in hot summer.

3. Weathering resistance

Aluminum-zinc alloy steel can bear severe weather conditions, such as extremely hot Summer, cold winter, or rain.

4. Good processing performance

Prepainted aluminum-zinc plating is easy to deform, such as cutting, profiling, etc.

5. Beautiful appearance

PPGL looks attractive and impressive and is finished with a pleasant surface and aesthetics.

PPGL Coil

PPGL Coil

PPGL Sheet

PPGL Sheet

Standard Color

The color is generally divided into gray-white, sea blue, brick red, etc. If you like other colors, please send us RAL color codes or samples, and we will design according to your requirements.

RAL Color

RAL Color

What IS PPGL Used For?

The galvanized steel plate is covered with aluminum-zinc alloy on the surface of the steel plate. It is composed of 55% aluminum, 43.4% zinc, and 1.6% silicon solidified at a high temperature of 600℃. The entire structure is composed of aluminum-iron-silicon-zinc, forming a dense alloy-coated steel plate of a quaternary crystal. PPGL (pre-painted galvalume steel coils, pre-painted galvalume steel sheets) are widely used in roofs, side walls, electrical cabinets, agriculture, vending machines, home appliances, automobiles, color-coated substrates, etc.

PPGL Used In Rolling Doors

PPGL Used In Rolling Doors

PPGL for Roofing Sheet

PPGL for Roofing Sheet

PPGL Price

The main factors affecting the price of color-coated steel sheets are the thickness of raw materials (substrate) and zinc layer, coating thickness, coating grade, steel coil thickness, and packaging methods.

1. Coil substrate thickness

The thinner the steel coil, the more expensive the price, because the thinner the steel coil, the more meters per ton of steel coil, the larger the area, and the more paint coating and longer color coating time will be used.

2. Thickness of the zinc layer

The price depends on the different thicknesses of the zinc layer. For example, the price of 20 grams of zinc coating and 50 grams of zinc coating is very different. If it is used in a humid, outdoor, and perennial tropical climate environment, it is recommended to choose a color coating with a higher aluminum and zinc content.

3. Paint thickness

There are two types of color-coated steel coils: single-side color coating and double-side color coating.

Under normal circumstances, the thickness of the single-sided color-coated top paint film is 11-20μm, and the thickness of the back paint is 5-10μm. The thickness of the top coat of double-paint color coating is 11-30μm, and the thickness of the back paint is also 11-20μm. The price of single-sided color coating is lower than that of double-layer color coating. Customers need to choose the appropriate color coating according to the application and environment.

4. Type and brand of paint

The type and brand of paint also have an impact on the price of color-coated steel coils: paints are mainly divided into PE polyester color plate, PVDF fluorocarbon color plate, HDP high weather resistance color plate, and SMP silicon-calcium color-coated steel plate. PE coatings are used the most, and the price advantage is relatively large.
PVDF coatings, HDP coatings, and SMP coatings have a longer service life than PE coatings but are more expensive. Better paint brands include Nippon, Aksu, etc. Customers also need to choose the paint brand according to the use place and environment of the color coating.

5. Packaging

The packaging of color-coated steel coils includes simple packaging, standard export packaging, and special packaging.
Simple packaging, suitable for short-distance transportation, the outer layer is protected by waterproof kraft paper, the protection performance is simple, and the price is low.
The outer surface of standard export packaging is waterproof kraft paper and galvanized iron packaging. The outside of the steel coil is also protected with a galvanized iron sheet. Used in long-distance transportation and containers, using steel wire reinforcement. It can better protect the surface of prepainted steel coils. The waterproof effect is better. This type of packaging is the most widely used.

Packaged PPGL Coils

Packaged PPGL Coils

Packaging PPGL Sheets

Packaging PPGL Sheets

Conclusion

In summary, PPGL has lightweight, has a beautiful appearance, and has good anti-corrosion performance, and it can be directly processed. Clients bought our pre-painted steel coil or sheet to produce corrugated sheets, roofing sheets, etc. If you want to buy PPGL coils and PPGL sheets, I suggest you visit the company. Wanzhi Steel Group is a good choice, we can provide you with a full range of pre-sales and after-sales services and competitive price. Welcome to contact us for more details!

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