Top Guidelines Of pvc
Top Guidelines Of pvc
Blog Article
PVC är ett vitt pulver som saknar lukt och smak. Smälts pulvret bildar det en styv fileärglös polymer med densiteten cirka 1400 kg/m³ och med en mjukningstemperatur vid cirka 82°C.
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。
Healthcare: The healthcare field employs PVC in a variety of health-related devices which include blood baggage, tubing, and IV baggage. Its capability to be sterilized makes it suited to these apps.
Regardless of its environmental implications, initiatives are underway to manage PVC squander through productive recycling mechanisms, pushing to a more sustainable use of the invaluable substance.
A further vastly beneficial property of the maritime PVC foam board we feature here at Boat Outfitters is that it’s water and weatherproof.
شکلدادن در فشار کم: قالبگیری بهوسیله فشار و انژکسیون بسیار سریع و برای تهیه اشیا قالبگیری شده با ابعاد کم و متوسط به کار میرود.
用途としては、上下水道管や波板などの建築資材や、家具のレザーなどに採用されており、私たちの身近なところでも、比較的見かけることが多いでしょう。
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Pure polyvinyl chloride can be a white, brittle reliable typically sent as powder or pellets. It is insoluble in Alcoholic beverages but a little bit soluble in tetrahydrofuran.
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Poly(vinyl chloride) (PVC) has been an interesting issue for polymer science analysis. Its properties are heightened by its inherent structural faults resulting from immediate manufacturing (by cost-free-radical polymerization), which also cause its thermal instability. A number of the elemental limiting capabilities of PVC have been proposed to be alleviated by improved chemistry all through PVC synthesis, As well as using each inorganic and organic and natural thermal stabilizers. The characteristics, characterization, modification, recycling, and different purposes of PVC are all examined Within this paper together with the past and most شباك pvc up-to-date research discoveries. It has been prompt that a few of the basic restricting Qualities of PVC is often lessened by applying equally inorganic and natural and organic thermal stabilizers together with enhanced chemistry all through PVC manufacture.
コーティング加工は、繊維材料などに樹脂溶液を塗布して熱乾燥処理する加工方法です。
در دنیای امروز کارتهای پیویسی کاربرد زیادی در زندگی روزانهٔ مردم دارند؛ زیرا این کارتها برای خرید، عبور و مرور، حمل و نقل عمومی (مترو یا اتوبوس)، بانک و … مورد استفاده قرار میگیرند.