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Material properties of common silicone rubber products

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发布日期:2018-04-09 15:02:52【 Browse: -Release Date: 2018-04-09 15:02:52 [Large Middle Small]

cau-uchu ,意为 流泪的树 The word rubber comes from the Indian word cau-uchu , which means " tree of tears " . 三叶橡胶树 割胶时流出的胶乳经凝固、干燥后而制得。 Natural rubber is made by coagulating and drying the latex that flows out when the rubber of the trifoliate rubber tree is tapped. 年,英国化学家 J. 普里斯特利发现橡胶可用来擦去铅笔字迹,当时将这种用途的材料称为 rubber ,此词一直沿用至今,橡胶又分为天然橡胶和合成橡胶。 In 1770 , British chemist J. Priestley discovered that rubber can be used to erase pencil writing. At that time, the material used for this purpose was called rubber . The word has been used to this day. Rubber is divided into natural rubber and synthetic rubber. With the development of science and technology, products made of rubber materials have been widely used in automotive rubber parts , electronic products, aerospace, medical and other fields.



Rubber caps & silicone earbuds


橡胶堵盖


三元乙丙橡胶简称 EPDM 三元乙丙橡胶是乙烯、丙烯以及非共轭二烯烃的三元共聚物。 1. EPDM rubber for short EPDM EPDM rubber is a terpolymer of ethylene, propylene and non-conjugated diene. The most important feature of EPDM rubber is its superior oxidation resistance, ozone resistance and chemical resistance. Because of its weather resistance, it is often used in outdoor environments and is widely used in automotive door and window seals.


Rubber sheath


橡胶套


丁腈橡胶简称 NBR 丁腈橡胶是丁二烯和丙烯腈的共聚物, NBR 分子中的丙烯腈( ACN )含量是可变动的( 18 50% ),可借此调整材料的耐油与耐低温性能。 2. Nitrile rubber is referred to as NBR. Nitrile rubber is a copolymer of butadiene and acrylonitrile . The acrylonitrile ( ACN ) content in the NBR molecule is variable ( 18 to 50% ). This can be used to adjust the material's oil resistance and oil resistance. Low temperature resistance. The higher the acrylonitrile content, the better the resistance to lubricating oil and fuel, but the lower the elasticity at low temperature. Conversely, the lower the acrylonitrile content, the better the drip temperature resistance, but at the expense of the resistance to lubricating oil and fuel. AN MS O 型圈规格则要求低丙烯腈配方的丁腈橡胶来确保其耐低温性能。 Military specifications AN and MS O -ring specifications require low-acrylonitrile nitrile rubber to ensure low temperature resistance. Nitrile rubber has excellent compression set, tear resistance, and abrasion resistance, but does not have good weather and ozone resistance, and the heat resistance is only medium.


Rubber oil pipe

导油管


氯丁橡胶又称 Neoprene ,或 CR ,1931 年由美国杜邦( Dupont )公司成功合成的弹性体,是最早开发的合成橡胶并被广泛运用在密封件。 3. Neoprene , also known as CR, is an elastomer that was successfully synthesized by the United States Dupont company in 1931. It is the earliest synthetic rubber developed and widely used in seals. Neoprene is a multifunctional elastomer with both medium oil resistance and weather resistance (ozone, ultraviolet, oxygen), low compression set, good resilience after compression, abrasion resistance, and good resistance to flex cracking. Freon® 和氨,也因良好的粘性而经常应用于橡胶包金属件中。 Neoprene is commonly used in sealing refrigerants such as Freon® and ammonia. It is also often used in rubber-clad metal parts due to its good viscosity.


Rubber cushion



橡胶减震垫


氟橡胶又称为 FKM ,氟橡胶是一类高度饱和的含氟高聚物,自从美国 DuPont 公司发明氟橡胶以来。 4. Fluoro rubber is also called FKM . Fluoro rubber is a type of highly saturated fluorine-containing polymer . Because it has a series of excellent properties such as oil resistance, high temperature resistance, solvent resistance, strong acid resistance, strong oxidant resistance, flame resistance, and aging resistance, fluorine rubber has been used in cutting-edge technologies such as defense and military industry, aerospace, electronic communications, vehicles and ships, and petrochemicals. The field has been widely used. O 型圈及其他客制密封件上最通用的弹性体。 Fluorocarbon products have better high temperature resistance and a variety of chemical resistance properties than other materials, making them the most versatile elastomers for making O -rings and other custom seals.


Condenser seal 汽车冷凝器密封圈


5. Silicone is referred to as SE. Physically, silica gel is a material based on quartz silicon. To produce this grade of synthetic rubber, huge organic pendant groups such as methyl, phenyl, and vinyl must be attached to silicon atoms. Adding different side chains can achieve different performance. Silicone is characterized by its wide operating temperature range and good low temperature elasticity. Silicone has better physical properties at high temperatures than ordinary rubber materials, and it is also very suitable as a static seal material at extreme temperatures. Silicone is very clean, odorless, tasteless and non-toxic, so it is widely used in many foods and medical supplies.


Silicone protective sleeve

硅胶保护套


23 年。 Dongguan Changan Yongyong Silicone Rubber Products Co., Ltd. has been focusing on silicone rubber products for 23 years. xtvee.com 或拨打公司热线电话: 0769-85536776. The above is from Yongyong Silicone Rubber, which may not be reproduced without authorization. For details, please visit the company official xtvee.com or call the company hotline: 0769-85536776.

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