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Silicone HEAD transfer to the manufacturers to explain silica gel, silicone products, product characteristics and application trends

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Silicone HEAD transfer to the manufacturers to explain silica gel, silicone products, product characteristics and application trends

Date:2015-05-28 00:00 Source: Click:

  Silica gel is a kind of granular porous silica hydrate, which is prepared by sodium silicate and sulfuric acid, which is used as a desiccant, and is used in the column chromatography and thin layer chromatography. Although the name is "glue", it is actually a kind of solid, appearance is transparent or milky white.

  Silicone is sometimes called silica gel, but is actually a silicon containing compound properties and uses completely different.

  The silica gel was heated for two hours at 120 degrees C for hours.

  The silica gel was immersed in the solution of cobalt chloride or ammonium chloride ((NH4) 2cocl4), and the change of the silica gel can be used to indicate the degree of water absorption of silica gel. This is because anhydrous cobalt chloride (CoCl2) is blue, while the six hydrated cobalt chloride (6H2O - CoCl2) is red.

  In daily life often encountered silica gel loaded in some paper bags or made by a semipermeable membrane resin bag for water, humidity control, to prevent the deterioration of certain items. "Please do not eat on the silicone bag". It will cause irritation to the respiratory system, digestive system, skin and eye, and some color silica gel also contains cobalt chloride humidity indicator, and cobalt chloride is toxic substances, belongs to the IARC the second class of carcinogens, there may lead to cancer.

  Silicone HEAD transferto the manufacturers said the main raw materials for the main raw materials processing, are called silicone products. Silica gel is a porous material, which is made of the appropriate size of the silica gel. Porous structure, which has an open porous structure, can adsorb many substances, is a good desiccant, adsorbent and catalyst carrier.

  Molded silicone products is usually through the mold temperature in add add vulcanizing agent of solid silicone raw materials through vulcanization machine pressure, high temperature sulfur into solid molding. The hardness of the moulded silicone usually at 30 degrees C-70 DEG C. According to Pantone color paste with raw material, make the color, the shape of the mold determines the shape of the molded silicone products. Global silicone network learned, molded silicone products is at present the silicone industry in the use of the most extensive a, mainly for industrial grade silicone accessories, buttons, gift silicone, silicone bracelet, silicone watch, key bag, mobile phone sets, silicone kitchenware, silica gel pad, ice lattice, cake mold, and so on.

  Liquid silicone products is by silica gel injection molding injection molding, the product is soft, hardness can reach 10 degrees C-40 DEG C, because of its flexible characteristics. In the simulation of human organs, medical silicone bra, widely use.

  Special silica gel product is according to the addition of the chemical properties of silica gel or some auxiliary materials, special silica gel product also has the advantages of high temperature resistance (up to a maximum of 330 degrees), luminous, negative ion, discoloration, properties food grade (fully meet the requirements of FDA, lfgb standard), medical grade, flame retardant grade, by adding auxiliary materials can also have.

  Superior performance, and silica gel is non petroleum products, do not rely on increasingly scarce oil resources, makes silicone products become a substitute for similar plastic products is the trend of the times, and silica gel products can is used to do a lot of plastic products can not use field, such as baby pacifiers, human body organs and application prospect is very broad.

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