PPGI for sandwich panel, also known as pre-painted galvanized steel, is the essential outer skin material for manufacturing high-performance insulated building panels. This product combines the strength and corrosion resistance of galvanized steel with a durable, pre-applied colored coating, providing an ideal, ready-to-use material for panel producers. Within the first 100 words, it’s clear that PPGI for sandwich panel is the core material that, when bonded to insulating cores like EPS, PU, or rock wool, creates the lightweight, thermally efficient color steel sandwich panels used globally in modern construction.
Product Specifications
ChinaCNU Steel supplies PPGI coils and sheets tailored for the sandwich panel industry, with specifications designed to meet various structural and aesthetic requirements for insulated wall panels and roofing.
| Grade | Thickness (mm) | Width (mm) | Zinc Coating (g/m²) | Coating Type / Standard |
|---|---|---|---|---|
| DX51D, DX52D | 0.35 – 1.2 | 600 – 1250 | Z60 – Z275 | PE, PVDF, HDP / ASTM A755, EN 10169 |
| S350GD, S550GD | 0.4 – 1.0 | 800 – 1200 | Z100 – Z180 | SMP, PVDF / GB/T 12754 |
Applications
PPGI for sandwich panel is the fundamental building block for a wide range of insulated cladding systems. Its primary application is in the fabrication of:
- Color Steel Sandwich Panels: For walls and roofs of warehouses, factories, and cold storage facilities.
- Insulated Wall Panel PPGI: Used in commercial buildings, clean rooms, and modular constructions for superior thermal performance.
- EPS Panel Steel Skins: The facing material for Expanded Polystyrene (EPS) core panels, popular for cost-effective insulation.
- PU & Rock Wool Sandwich Panels: For fire-rated and high-insulation buildings.
- Architectural Cladding & Canopies: Providing a durable and aesthetically pleasing exterior finish.
- Partition & False Ceiling Systems: In interior applications requiring hygiene and easy maintenance.
Why Choose ChinaCNU Steel
Selecting ChinaCNU as your PPGI for sandwich panel supplier ensures reliability, quality, and a smooth procurement process from factory to jobsite.
- Direct Factory Source: We are a professional steel factory based in Qingdao, China, with over 15 years of manufacturing and export experience, ensuring competitive pricing and quality control.
- Certified Quality: Our production is ISO 9001 certified, and materials are SGS inspected, guaranteeing that our PPGI meets international standards for your insulated wall panel production.
- Flexible MOQ & Lead Time: We support projects of all scales with a manageable MOQ of 25 tons and a reliable lead time of 15-25 days for most orders.
- Export Expertise: We have successfully exported to over 50 countries across Africa, the Middle East, Southeast Asia, and South America, understanding the specific needs of global markets.
- Secure Packing: Coils and sheets are packed in waterproof, seaworthy materials with edge protectors to prevent damage during long-distance shipping.
- Convenient Payment: We accept secure payment methods including T/T and L/C to facilitate easy international transactions.
PPGI/GI Pricing
The price for PPGI for sandwich panel varies based on steel grade, coating weight, paint system (PE, PVDF, etc.), color, thickness, and order volume. As a Qingdao-based factory, we quote competitive FOB Tianjin prices, giving you control over shipping logistics. For the most accurate and up-to-date pricing for your specific project requirements for color steel sandwich panel production, please contact us for a free, no-obligation quote. We typically respond within 24 hours.
FAQ
What is the difference between PPGI and GI for making sandwich panels?
GI (Galvanized Iron/Steel) has only a zinc layer for corrosion protection, while PPGI (Pre-Painted Galvanized Iron) has both the zinc layer and a pre-applied colored paint coating (like PE or PVDF). Using PPGI for sandwich panel manufacturing saves the panel producer an additional painting step, provides a more consistent and durable finish, and offers immediate aesthetic appeal for the final color steel sandwich panel.
Which paint coating is best for exterior insulated wall panel PPGI?
For exterior applications, PVDF (Polyvinylidene Fluoride) or HDP (High Durability Polyester) coatings are highly recommended. They offer superior resistance to UV fading, chalking, and harsh weather compared to standard PE (Polyester), ensuring your insulated wall panel PPGI maintains its color and integrity for decades, which is crucial for building exteriors.
Can you supply small quantities for an EPS panel steel prototype?
While our standard MOQ for bulk production is 25 tons, we understand the need for testing and prototyping. We encourage you to contact us to discuss your specific needs for EPS panel steel samples or small-batch prototype orders. We strive to support product development where possible.
How do you ensure the PPGI coils don’t get damaged during ocean shipping?
We use robust, export-standard packing. Coils are wrapped in multiple layers of waterproof paper and plastic film, secured with steel straps, and mounted on wooden pallets or cradles with edge guards. This seaworthy packing has been proven effective through our exports to over 50 countries, ensuring your PPGI for sandwich panel arrives in perfect condition.
Get Factory Price for PPGI for Sandwich Panel
Send us your specs and get a free FOB Tianjin quote within 24 hours.