The product must now be cooled which is usually achieved by pulling the extrudate through a water bath. Plastics are excellent thermal insulators and are therefore very difficult to cool quickly. Compared with steel, plastic conducts its heat away 2000 times more slowly. In a tube or pipe extrusion line, a sealed water bath utilizes a carefully controlled vacuum to keep the newly formed and still molten tube or pipe from collapsing. A set of cooling rollers is generally used in the sheet extrusion process to cool sheet as it exits the extruder.
2. Product specification of plastic pipe and profile.
Material | Polycarbonate |
Size | 34 mm wide |
color | clear, semi-clear, opal |
design | Standard size or custom made sizes |
Length | From 0.5meter to 5 meters length |
packing | Carton packing or wooden box packing |
Applications:
Led Lighting cover/lens.
Electronic components.
Construction material.
4. Product pictures:
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