Not known Details About pvc
Not known Details About pvc
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The reason for untimely ventricular contractions isn't always crystal clear. Certain things which include heart health conditions or adjustments in the human body could make cells during the reduced coronary heart chambers electrically unstable. Heart problems or scarring could induce the heart's signals being misrouted.
دستگاه‌های ژلیفیکاسیون: معمولاً از نوع ماشین‌های تهیهٔ ورقه هستند.
Not just does this reduce the Price tag and volume of non-recyclable components, but it also can help to scale back its weight far too. As a result of its weather resistance together with other Rewards, it is a standard materials used for boat sections.
این صفحه آخرین‌بار در ۲۳ ژانویهٔ ۲۰۲۵ ساعت ۱۵:۳۹ ویرایش شده است.
در سال‌های اخیر پی‌وی‌سی جایگزین مواد ساختمان‌سازی سنتی نظیر چوب، سیمان و سفال در بسیاری از مناطق شده‌است. با وجود ظهور یک مادهٔ ایدئال در ساختمان‌سازی همچنان نگرانی در رابطه با هزینهٔ پی‌وی‌سی برای محیط زیست طبیعی و سلامتی انسان وجود دارد.
The molecular framework of PVC consists of an extended-chain polymer with repeating vinyl chloride models. Each vinyl chloride unit has one carbon atom double-bonded into a chlorine atom and one-bonded to two hydrogen atoms.
PVC boasts a list of special Qualities that add to its wide selection of applications. Among the list of primary properties is its sturdiness and resistance to environmental stressors such as dampness, chemicals, and ultraviolet radiation.
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Pure polyvinyl chloride is a white, brittle good frequently shipped as powder or pellets. It can be insoluble in Liquor but a bit soluble in tetrahydrofuran.
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Packaging: PVC’s versatility and resistance to oil and شيش حصير grease ensure it is a wonderful choice for meals packaging.
・価格が安価：他の材質に比べて価格が安価。重量も重たくないので、運送費や管理費なども抑えられる。