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By certification 
Our PVC corrugated sheets were made by three layer co-extruded one time integral production, each layer is designated according to the materials specialty:
Surface materials: Weather durable PVC resin adding Antioxidant and UV resistance ingredient to assure products durability and chemical resistance.
Middle core materials: Weather durable PVC individual closed cell foam material to apply good heat insulation and preservation, soundproof effect and reduce energy consumption.
Longevity
Available for 30 years more. Recyclable for other usage
Especially for corrosive chemical plating, ceramic, soy sauce, fertilizers, dyeing and large scale acid or alkali producing factories.
► Formaldehyde
► VOCs
► PVC Sheet Quality Standard
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