PVC är ett vitt pulver som saknar lukt och smak. Smälts pulvret bildar det en styv färglös polymer med densiteten cirka 1400 kg/m³ och med en mjukningstemperatur vid cirka 82°C.
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Not merely does this decrease the Charge and level of non-recyclable resources, but What's more, it allows to reduce its excess weight also. As a consequence of its weather conditions resistance and other Advantages, it truly is a typical product useful for boat elements.
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About half of the earth's PVC manufacturing potential is in China, despite the closure of many Chinese PVC crops as a consequence of issues complying with environmental regulations and bad capacities of scale.
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型のなかにある空気を吸い取り、大気圧で型に押し付ける手法を「真空成形」、大気圧ではなく圧縮空気で金型に押し付ける手法を「圧空成形」と呼びます。
PVC is produced from petroleum. The generation process also makes use of sodium chloride. Recycled PVC is damaged سعر شبابيك pvc down into powder or small chips Along with the impurities removed.
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比較的小さな分子であるモノマーが、繰り返し結合したものをポリマーと呼びますが、この繰り返し結合した度合いのことを「重合度」と呼びます。
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