何本もある加熱したロールに、原料を通して圧延したあと、冷却ロールに通して厚みを調整し、材料を巻き取ることで、シートやフィルム状の塩ビを成形します。
押出成形は、押出機のなかに溶融した原料を入れ、口金から押し出して成形する加工方法です。
On the other hand, PVC is recyclable beneath particular conditions. It might be mechanically recycled by grinding it into modest pieces, which are then melted and remolded. Sometimes, PVC can be chemically recycled, breaking it down into its constituent monomers for reuse.
مشکلات بهداشتی پلاستیک و ترکیب پلیهالوژنه (پیاچسی)
سوزاندن، تولید و آزادسازی مقدار زیادی دیاکسین است و اجزای تشکیلدهندهٔ کلرین که محیط زیست را میآلاید.
The molecular construction of PVC contains a lengthy-chain polymer with repeating vinyl chloride models. Every single vinyl chloride device is made up of one particular carbon atom double-bonded to the chlorine atom and single-bonded to 2 hydrogen atoms.
It also has very good electrical insulation properties, which makes it a suitable substance for wiring and cable applications.
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Considering the fact that this material includes a clean floor and absorbs and retains paint nicely it causes it to be ideal for several different applications. Expanded PVC may be painted with any plastic-pleasant paint which incorporates most spray paints. Thermal Conductivity
Expanded PVC It is ideal as A part of upholstery, backings for seats, The bottom for seats, together with other sections within your vessel. This can be the great substrate for boat seats, upholstery, and seating bases for the subsequent good reasons:
Automotive: PVC can also be found in the automotive industry for pieces like dashboards, seat coverings, and insulation for wiring.
همچنین مادهایست که اغلب برای لولهکشی آب و فاضلاب به علت ارزان بودن طبیعی و انعطافپذیر بودن استفاده میشود.
PVC tillverkas genom kedjepolymerisation av vinylkloridmolekyler och kan efter användningsområden indelas i Television setå former:
The carbon-chlorine bonds in the vinyl chloride models give PVC its distinct properties, which include resistance to environmental things and electrical insulation.