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 Health care market takes advantage of PVC in a variety of professional medical units for example blood baggage, tubing, and IV baggage. Its ability to be sterilized can make it suited to these purposes.
این صفحه آخرین‌بار در ۲۳ ژانویهٔ ۲۰۲۵ ساعت ۱۵:۳۹ ویرایش شده است.
Yet another massively helpful home in the marine PVC foam board we supply listed here at Boat Outfitters is that it’s drinking 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.
問い合わせが多い工場の秘密！他社と差をつける営業テクニックやよくあるミスとは
در ژانویهٔ ۲۰۰۶ اتحادیهٔ اروپا یک تحریم برای ۶ نوع فتالیت نرم‌کننده در اسباب‌بازی‌ها قرار داد. در سال ۲۰۰۳ کمیسیون امنیتی محصولات مصرفی آمریکا عریضه برای تحریم مشابه در ایالات متحده را انکار کرد.
پیش از قرن بیستم شیمیدان روسی ایوان استرا میسلنسکی و فریتز کلیت از کمپانی گریشم الکترون شیمی آلمان هر دو تلاش کردند تا پی‌وی‌سی را در محصولات تجاری به‌کار گیرند اما مشکلات در فرایند، سختی و گاهی شکنندگی پلیمر تلاش‌های آن‌ها را بی‌نتیجه می‌گذاشت.
Allt eftersom biltillverkarna har sökt efter lättare material har fler och fler detaljer i bilen blivit tillverkade i plast.
Expanded PVC board is commonly used for upholstery bases on boats, supplying longevity, waterproofing, and relieve of manipulation with common woodworking resources. It is also well known for crafting personalized indications and outdoor decor due to its flexibility in form and dimension. Browse Additional Upholstery Bases
Poly(vinyl chloride) (PVC) has long been a captivating subject for polymer science research. Its characteristics are heightened by its inherent structural faults resulting from direct manufacturing (by free of charge-radical polymerization), which also lead to its thermal instability. Several of the elemental restricting options of PVC happen to be advised for being alleviated by enhanced chemistry through PVC synthesis, In combination with using both of those inorganic and natural and organic thermal stabilizers. The features, characterization, modification, recycling, and many programs of PVC are all examined In this particular paper combined with the previous and most up-to-date analysis discoveries. It has been recommended that a few of the fundamental limiting Qualities of PVC may be lessened by applying each inorganic and organic thermal stabilizers together with enhanced chemistry for the duration of PVC manufacture.
Key purpose of this challenge is usually to help the general public to find out some appealing and essential information regarding chemical elements pvc شبابيك and several common resources. We realize that the basic principles within the supplies science may also help people today to understand numerous widespread challenges.
The smooth surface of the expanded PVC sheet means you can certainly insert any lamination, printing, or maybe individualized graphics to really make it seriously jump out.