Black Color Free Plastic Pvc Foam Board

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SUZHOU OCAN POLYMER MATERIAL CO.,LTD [Jiangsu,China] Business Type: Distributor/Wholesaler , Manufacturer Main Markets: Africa , Americas , Asia , Caribbean , East Europe , Europe , Middle East , North Europe , Oceania , Other Markets , West Europe , Worldwide Exporter: 31% - 40% Certs: ISO14001, ISO9001, REACH, RoHS, Test Report

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Black Color Free Plastic Pvc Foam Board

2024-08-07

Plastic foam molding is divided into three stages: formation of bubble core, expansion of bubble core, and solidification of foam body. For Pvc Foam Board with added chemical foaming agents, the expansion of bubble nuclei has a decisive impact on the quality of the foam sheet. PVC belongs to straight chain molecules with short molecular chains. The strength of the melt will affect the quality of the product. If the strength is low, during the expansion of the bubble core into bubbles, the melt will not be enough to cover the bubbles, and the gas will easily overflow and merge into large bubbles, resulting in poor quality. To improve quality, it is necessary to add additives that enhance melt strength and reduce processing temperature.
PVC belongs to amorphous materials, and its melt strength decreases with increasing melt temperature. Conversely, its melt strength increases with decreasing melt temperature, but the cooling effect is limited and only serves as an auxiliary function.
Suzhou OCAN can produce black PVC foam board, white pvc foam board, and also customize colored PVC Board.

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