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What is foam?
Writer：zhongji-it Source：Zhongji Date：2011-7-23 14:56:13 Click： Label：foam
Introduction："Foam" is generally known everywhere but in fact its' meaning is so wide. A
| "Foam" is generally known everywhere but in fact its' meaning is so wide. According to translation "Foam" means, "expand" or "blow". Herewith we concern "Foam" as the expanded plastics. There are many kinds of plastics in the world, any plastics when react with the Blowing Agent will become "Foam" which generally called "Foam Plastics". The example of well -known foam plastics is sponge, food box, foam sheet, spray foam for insulation and etc. These foam plastics are produced from different kinds of plastics. We will only mention about foam that produced from Polystyrene / PS (C8H8) plastic. PS Foam or so-called "Expanded Polystyrene" are made for food box, ice box, packaging for television and floating Krathong foam. There are two kinds of Polystyrene Foams: 1. Expandable Polystyrene / EPS usually use as packaging for many kind of products such as television, electrical appliances, helmet, ice box, sheet foam and block foam for road construction. 2. Polystyrene Paper / PSP so called Extruded Polystyrene / XPS which use to produce food tray and food box. |
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