A Secret Weapon For pvc
A Secret Weapon For pvc
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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 eighty two°C.
مخلوط‌کن‌های پودری: مخلوط کردن مواد مختلف توسط این مخلوط‌کننده‌ها انجام می‌گیرد. البته باید توجه کرد که در مخلوط کردن پایدارکننده‌ها، روان‌کننده‌ها، پیگمنت‌ها و… که باید مقدار آن‌ها نسبتاً کم باشد امکان ایجاد اشکالات عملی وجود دارد.
Even so, PVC is recyclable less than specified circumstances. It might be mechanically recycled by grinding it into modest pieces, which are then melted and remolded. Sometimes, PVC may also be chemically recycled, breaking it down into its constituent monomers for reuse.
As the fabric is usually Minimize into distinctive sizes and shapes, it may be used for tailor made symptoms or pieces.
Expanded marine PVC board or expanded PVC can be a variety of PVC that has been expanded having a Specific foaming agent to improve the thickness of the fabric while decreasing its density. The foaming agent has become A part of the look purposefully to reduce just how much plastic is employed.
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In addition it has fantastic electrical insulation Qualities, rendering it an acceptable materials for wiring and cable purposes.
PVC is made from petroleum. The production system also employs sodium chloride. Recycled PVC is damaged ابواب وشبابيك pvc down into powder or little chips With all the impurities eliminated.
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Co-stabilisatorer Synergistiska med andra stabilisatorer och kan vara polyoler, organiska fosfiter, epoxiestrar eller epoxiderade oljor
上図はドクターナイフ法と呼ばれる方式で、厚みの調節が自由に行えます。表面に凹凸の模様を入れるエンボス加工にも対応が可能です。
همچنین ماده‌ایست که اغلب برای لوله‌کشی آب و فاضلاب به علت ارزان بودن طبیعی و انعطاف‌پذیر بودن استفاده می‌شود.
カレンダー成形は、シートやフィルムなどの平らな製品を成形するのに活用される加工方法です。
Untimely ventricular contractions (PVCs) are extra heartbeats that start in one of many coronary heart's two decreased pumping chambers (ventricles). These further beats disrupt the common heart rhythm, from time to time producing a sensation of a fluttering or simply a skipped beat inside the upper body.