Waterproof, Weather & Corrosion Resistant Pre-Coated Panels for Construction

Mainstream coating types
High-weather-resistant polyester HDP coating: the first choice for cost-effectiveness, suitable for domestic factories and ordinary buildings
Fluorocarbon PVDF coating: high-end model for coastal, high UV, and chemical corrosive environments
Ordinary polyester PE coating: used for interior wall panels and suspended ceilings
Core Functions
Ultra-weather resistant and UV resistant, it will not fade or powder outdoors for a long time
Resistant to acid rain, salt spray, and chemical gas corrosion, waterproof and impermeable
Excellent flexibility, no cracking during bending and roller pressing
Self-cleaning, stain-resistant, and reduces later maintenance costs
Key performance parameters (JC/T 2607-2021 national standard)
1. Outdoor warranty period
High weather resistance polyester HDP: 8~15 years
Fluorocarbon PVDF: 15~25 years
Ordinary polyester PE: 5~8 years
2. Total coating thickness
High weather resistance polyester HDP: ≥25μm
Fluorocarbon PVDF: ≥23μm
Ordinary polyester PE: ≥20μm
3. 60° Luster
High weather-resistant polyester HDP: 5~10° matte
Fluorocarbon PVDF: 5~20° low light
Ordinary polyester PE: Customizable with any gloss
4. Divider adhesion
High weather resistance polyester HDP, fluorocarbon PVDF, and ordinary polyester PE: all are grade 0
5. Pencil hardness
High weather resistance polyester HDP: ≥HB
Fluorocarbon PVDF: ≥H
Ordinary polyester PE: ≥HB
6. Neutral salt spray
High weather resistance polyester HDP: ≥500h
Fluorocarbon PVDF: ≥800h
Ordinary polyester PE: ≥300h
7. QUV Accelerated Aging
High weather-resistant polyester HDP: 2000h, light retention ≥ 70%
Fluorocarbon PVDF: 3000h, light retention ≥ 80%
Ordinary polyester PE: 1500h, light retention rate ≥ 60%

Product Core Introduction
Ocean blue pre-coated color steel plate is a classic and popular color for industrial buildings. It adopts the standard ocean blue RAL5017 color scheme, hot-dip galvanized substrate and high-gloss polyester topcoat. The coating color is clear and uniform, without variegation or color difference. The roller coating process ensures the color consistency of the entire roll of plate. The panels have a dense structure, strong waterproof sealing, and fit tightly at the lap joints after tile pressing, effectively eliminating roof leakage problems. They are widely used in various standardized industrial buildings and are the most commonly used enclosure panels in factories and warehouses.

Adapt to usage scenarios (solve the pain points of scenario matching)
It focuses on large-scale industrial plants, standardized warehouses, steel structure workshops, port supporting buildings, and unified facades of industrial parks. The sea blue is calm and refreshing, which fits the professional tone of industrial buildings. The unified color scheme can improve the overall regularity of the park; at the same time, it is suitable for port and river-side buildings. The blue blends naturally with the water environment, weakening the abruptness of the building and taking into account both aesthetics and practicality.

Core performance advantages (addressing long-term usage pain points)
Standardized color matching with zero color difference: using industrial general RAL color cards for color matching, the colors of multiple batches of procurement are highly unified, and there is no obvious color difference between batches of construction in the park, solving the problem of inconsistent colors of the later supplementary panels;
Strong waterproof fit of the roof: the board has excellent toughness and is pressed into the 840/900 type commonly used corrugated pattern. The lap joint gap is small and equipped with special waterproof adhesive strips to resist leakage in heavy rain and plum rain weather;
Acid rain corrosion resistance: The sealing primer blocks the penetration of acidic rain, which is suitable for industrial buildings in rainy and acid rain-prone areas in the south. It is not easy to cause rust spots on the board surface and coating bubbling problems.

Purchase decision advice (precise selection reference)
Suitable for standardized steel structure factory buildings and park unified renovation projects, it is the first choice with a medium budget and the pursuit of long-term stability and durability; it is recommended to upgrade the silicon-modified polyester coating in plum rain and acid rain areas to improve chemical corrosion resistance; the preferred thickness for roofing is 0.5-0.7mm, and the wall surface can be 0.4mm thin plate to balance cost and performance.

Common usage questions and answers
Q: Will the paint on the aquamarine steel plate bulge out during the plum rain season?
A: Ordinary sheet primer has poor sealing performance and is prone to bulging. This model uses a three-layer sealing primer to block water vapor penetration. The coating adhesion is stable in plum rain environment and there will be no bubbling or falling off.
Q: Will there be color difference in multiple batches of procurement?
A: Strictly follow the RAL5017 standard for color mixing. Perform color comparison before each batch leaves the factory. The color difference ΔE≤2 is not obvious to the naked eye, and large-scale batch supply is supported.