𝐓𝐨𝐝𝐚𝐲'𝐬 𝐊𝐍𝐎𝐖𝐋𝐄𝐃𝐆𝐄 𝐒𝐡𝐚𝐫𝐞 : 𝐖𝐡𝐲 𝐚𝐝𝐝 𝐚 𝐏𝐕𝐂/𝐏𝐏𝐇 𝐥𝐢𝐧𝐞𝐫 𝐭𝐨 𝐅𝐑𝐏 𝐭𝐚𝐧𝐤𝐬?

𝐓𝐨𝐝𝐚𝐲'𝐬 𝐊𝐍𝐎𝐖𝐋𝐄𝐃𝐆𝐄 𝐒𝐡𝐚𝐫𝐞

𝐖𝐡𝐲 𝐚𝐝𝐝 𝐚 𝐏𝐕𝐂/𝐏𝐏𝐇 𝐥𝐢𝐧𝐞𝐫 𝐭𝐨 𝐅𝐑𝐏 𝐭𝐚𝐧𝐤𝐬?

Adding a PVC/PPH liner to the fiberglass reinforced plastic (FRP) tank combines the best of both materials, solving the key limitations of pure FRP tanks while extending service life and improving performance:

Superior chemical & corrosion resistance PVC/PPH provides excellent resistance to most acids, alkalis, salts, and chemical solutions, including many corrosive media that ordinary FRP resins cannot withstand (e.g., chlorine-containing wastewater, hypochlorite solutions). It prevents chemical attack on the FRP layer.

Zero leakage and anti-permeation performance :The liner is fully hot-melt welded, forming a seamless, impermeable barrier. It eliminates the risk of medium seepage into the FRP structure, preventing delamination and early failure.

Smooth inner surface, anti-fouling and easy cleaning: The non-porous PVC/PPH surface prevents scaling, sediment adhesion, and bacterial growth, making the tank easier to maintain and reducing the risk of secondary contamination.

Structural strength + long service life : The outer FRP layer provides high mechanical strength, pressure resistance, and impact resistance, while the liner protects against corrosion. The composite structure typically lasts 15–25 years, far longer than pure FRP tanks in corrosive applications.

Lower long-term maintenance costThe liner can be locally repaired by welding if damaged, avoiding the high cost of replacing the entire tank. This significantly reduces the total cost of ownership over the tank’s lifespan.

source : Huixing FRP Co.,ltd

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