The Basic Principles Of pvc
The Basic Principles Of pvc
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今回の記事では塩ビについての特徴・加工方法・用途などについて解説します。
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Nevertheless, PVC is recyclable less than selected problems. It may be mechanically recycled by grinding it into little pieces, which happen to be then melted and remolded. Occasionally, PVC can even be chemically recycled, breaking it down into its constituent monomers for reuse.
立体的な製品を成形可能で、押し出し成形よりも複雑な形状を生産できます。製品のサイズも小さいものから大きなものまで対応が可能です。
The contents from the response vessel are pressurized and continually combined to keep up the suspension and be certain a uniform particle dimensions with the PVC resin. The response is exothermic and thus calls for cooling. As the quantity is lessened in the course of the reaction (PVC is denser than VCM), h2o is regularly additional towards the combination to keep up the suspension.[nine]
【専門家が解説】レーザー加工でチェッカープレート(縞板)の表面に扱い傷がつく理由
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。
کارت‌های پی‌وی‌سی کارت‌هایی هستند که از پلاستیک فشرده تهیه شده و یکی از محصولات صنعت پتروشیمی هستند و مقاومت آن‌ها در مقابل گرما و سرما در مقایسه با کارت‌های کاغذی ابواب وشبابيك pvc بسیار بالاتر بوده و دوام و ماندگاری آن نیز به دلیل نوع مواد به کار رفته در آن‌ها بیشتر است و بر اثر فشار یا ضربه آسیب نمی‌بینند.
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Automotive: PVC is usually present in the automotive business for pieces like dashboards, seat coverings, and insulation for wiring.
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Packaging: PVC’s adaptability and resistance to oil and grease make it an outstanding choice for foodstuff packaging.
Even though PVC has many beneficial takes advantage of, What's more, it has a big environmental affect. The creation and disposal of PVC can result in the release of dangerous chemical compounds to the setting. Moreover, on account of its longevity, PVC squander can persist while in the surroundings for extended durations.