Silicone widely used because it does not release toxic substances,soft and comfortable feeling, withstand high and low temperatures (-60c~+300c) with good physical properties, there is no other polymers can match it. Strong and powerful elastomer, better than rubber sealing, excellent electrical insulation and resistance to chemicals, fuel, oil, water, can cope with poor environmental. Industry such as: oil seals, keyboard keys, electrical insulation, car parts, daily necessities such as: pacifiers,artificial catheters,respirators,leather shoes,shoe pads,food containers,etc Silicone can distinguish between solid and liquid, the former processing method is hot press transfer, the latter raw materials are mainly injection molding, liquid in equipment investment and raw material costs are high, but its production speed is fast, low processing degree and less waste, the use of liquid silicone injection molding, in the pursuit of precision, speed, automation of injection molding industry,it must be a future-oriented trend.
The distinction between liquid silicone and solid silicone
About the raw materials one is solid,another one is liquid, now let's talk about the distinction between those two materials:
1,The shape of liquid silicone and solid silicone:
(1) As the name, liquid silicone is in a liquid state and has fluidity
(2) Solid silicone is solid, no fluidity!
2, the application of liquid silicone and solid silicone:
(1) Liquid silicone is generally used in baby products and kitchen supplies and medical supplies,which can be directly in contact with food and the human body
(2) Solid silicone is generally used in household goods and industrial miscellaneous parts and auto parts, etc.,which has a wide range of applications
3, the safety of liquid silicone and solid silicone:
(1) Liquid silicone is a highly transparent and safe food-grade material, its auxiliary materials such as vulcanizing agent are not added during molding, the molding is sealed and fed
(2)Solid silicone is a transparent and environmentally friendly material, and it is necessary to add vulcanizing agent to speed up vulcanizing molding time and open mold feeding molding
4, The molding methods of liquid silicone and solid silicone:
(1) Liquid silicone is injection molding : the full name is injection molding liquid silicone rubber, vulcanization equipment for injection molding machine.
Injection molding machine has A very simple process (no need for high temperature glue process ingredients, rubber mixing, cutting, pendulum and other manual processes, only one worker can take the product), high product accuracy (all manual procedures are replaced by the machine before forming), high output (A/B glue mixing, forming in a few seconds at a certain temperature), save people, save electricity, save materials and many other advantages. Can produce all high-temperature glue production products! It is a mainstream in the development of silicone rubber materials in the next few years.
(2) Solid silicone molding is the raw material is a solid piece, through the mixer mixing, cutting machine cut into the product and mold appropriate size and thickness, and then put into the mold, pressure molding machine under a certain temperature molding. When demoulding and plastic products are similar, also need to clean the mold and so on.
5, How to distinguish liquid silicone and solid silicone products
(1)Liquid silicone has high transparency, no odor, and the product has a glue-filling mouth
(2)Solid silicone transparent base, with vulcanizing agent or other covering vulcanizing agent fragrance, product without glue-fulling mouth
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