liquid silicone latex for mold making

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We are manufacturer specializing in all kinds of silicone rubber, our products are high quality with competitive price; also we can help our customers solve any technical problems of silicone rubber.

Friendly remind:

liquid silicone rubber, which is an environmentally-friendly liquid silicone product, is not easy to burn and can be stored and transported as non-hazardous goods. The shelf life of the product is about one year from the date of production. Inspection is required when exceeding the time limited. It can continue to be used in case of neither thickening nor deterioration.

4)Storage and Precautions of liquid  silicone rubber:

Note3: our company does not recommend you to add silicone oil. If a special soft silicon mold or fine detailed and complex patterns products are required, 5%-10% silicone oil can be added to soften the mold for easy demould.)

Note 2: If the customer wants to make large products and large size molds, the mold should be made of silicon rubber with high hardness. On the contrary, if the mold with fine and precision patterns, it should be made of silicon with low hardness. The amount of the curing agent depends on the actual requirements of the customer. If molds requiring fast drying and demould, more curing agent is needed; contrarily, if molds requiring slower drying and demold, less curing agent is needed.

thirdly mix the silicone rubber and the curing agent evenly according to the mixing ratio of 100 : 2 and pour them onto the sole model,at last  brush evenly with a wooden plate or a brush, and fill up the mold frame with gypsum after the silicone rubber is dried.

then enclose the plane frame with wooden plates to prevent the leakage of the silicon rubber,

firstly fix the product or sole model to be duplicated onto a plane plate,

Note1:  liquid silicone rubber is used for pouring or brushing technique. That is to say,

   c. After deaired, pouring the liquid silicone rubber into the product to be duplicated or into the mold frame.

   b. After the silicone rubber and the curing agent are completely mixed, put the silicon into a vacuum machine for deairing to remove the bubbles.

   a. take silicone rubber of 100g and add 2% curing agent for  mixing evenly.

Steps:

 liquid silicone rubber is composed of two components. Component A is white flowing liquid while component B is the curing agent.

3) Operations of liquid Silicone rubber for mold making

liquid Silicone rubber for mold making is white or red flowing liquid with general hardness of 22-50A

Silicone rubber (HY-638) is the most suitable for small products or fine and precision products which is difficult to demould.