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China PPGI/PPGL Coils Supplier | Prepainted Galvanized & Aluzinc Steel Coils Factory
Color Coated Steel Coil/Sheet(PPGI/PPGL)
Primers
Epoxy – Polyester (Chrome – Chrome Free); for excellent corrosion and inter-coat adhesion. The Back Coat of the PPGI/PPAZ strip is Generally Polyurethane(PU)-Compatible Expoxy coated inorder to have adhesion in case the coils are used for insulated sandwich panel manufacturing.
Topcoats
R.M.P (Regular Modified Polyester)
Regular Modified Polyester is most widely-used coil coating with durable Polyester paint and heat dried. It is applied to interior/exterior materials with no heavy drawings. Thanks to its variable colours and glosses with an economic feasibility. RMP coated products are used for exterior panels and interior design purposes that do not require excessive processing. It generally displays superior workability, durability, and weather resistance and used for a variety of purposes; offered in a wide array of colours and degrees of polish.
Matt and wrinkle effect can be added to the top finish.
End Usage:
- Roofing & siding panels
- Interior Partition
- Building Interior/Exterior
- Sandwich panels
- Roof, Gutter
- Steel furniture
- Shutter, Door, Garage Door, Iron Frame, etc.
S.M.P (Silicon Modified Polyester)
Silicon Modified Polyester is a silicon resin modified Polyester paint coated and heat dried. Due to its higher durability than the Regular Polyester, generally applied for building construction. SMP assures economic benefits under circumstances of sea-side or industrial zones. 10-15 years limited warranty provided.
SMP products are coated and baked with paint containing silicon resin. It is suitable for coastal area due to its excellent weather resistance.
End Usage:
- Public Construction Material
- Sandwich Panel
- Corrugated Roof in Industrial Complexes
- Airport, etc.
Color Coated Steel Coil/Sheet(PPGI/PPGL)
| Application | Household appliances, Decoration, Construction, Automotive |
|---|---|
| Base Plate | Galvanized sheet, Galvalume sheet, Zinc-aluminum-magnesium, Aluminum-zinc-magnesium, Aluminum-magnesium-manganese |
| Structure of Coating | Double-Coating + Double-Baking, Triple-Coating + Triple-Baking + Monochrome Printing, Color Printing + Hot Laminating + Embossing |
| Internal Dia. | 508/610mm |
| Coil Weight | 3-7 Tons |
| Size | Thickness: 0.11-1.5mm / Width: 600-1500mm |
Coating Description
| Type of Coating | Base Coil | Coating (um) | MEK | T Bend | 5% hydrochloric acid | Neutral salt spray | Common environment |
|---|---|---|---|---|---|---|---|
| Polyester(PE) | Z/AZ/ZM/AZM | ≥20 | ≥100 | 3T | 24 h | 1000 h | 10 years |
| Silicon Modified Polyester(SMP) | Z/AZ/ZM/AZM | ≥23 | ≥100 | 3T | 24 h | 1500 h | 15 years |
| High Weatherability Polyester | Z/AZ/ZM/AZM | ≥23 | ≥100 | 3T | 24 h | 1500 h | 15 years |
| Fluorocarbon (PVDF) | Z/AZ/ZM/AZM | ≥25 | ≥100 | 2T | 24 h | 1500 h | 15 years |
| High corrosion resistance and weather resistance polyester (HDP Pro) | Z/AZ/ZM/AZM | ≥25 | ≥100 | 2T | 24 h | 1500 h | 20 years |
Production process
Frequently Asked Questions
What is the difference between PPGI and PPGL?
PPGI refers to Pre-Painted Galvanized Iron, which uses a pure zinc-coated base plate. PPGL refers to Pre-Painted Galvalume, which uses an aluminum-zinc alloy-coated base plate, offering enhanced corrosion resistance in specific environments.
Which coating type is best suited for coastal environments?
SMP (Silicon Modified Polyester), PVDF (Fluorocarbon), or HDP Pro (High corrosion resistance and weather resistance polyester) are highly recommended for coastal environments due to their superior weather resistance and durability against salt spray.
What is the typical lifespan of HDP Pro coated steel sheets?
In common environments, HDP Pro coatings can last up to 20 years, offering the highest level of corrosion and weather resistance among standard polyester options.
Can custom finishes like matt or wrinkles be applied?
Yes, matt and wrinkle effects can be added to the topcoat finish, particularly for R.M.P (Regular Modified Polyester) coatings, to suit various aesthetic preferences.
What are the standard dimensions and weight capacity of these coils?
Our color coated steel coils come in thicknesses ranging from 0.11mm to 1.5mm, widths from 600mm to 1500mm, with an internal diameter of 508/610mm and a total coil weight of 3 to 7 tons.