When liquid silica gel is made of silica gel mold, there is a process. Only in accordance with the process and steps can the silica gel products be made to meet the quality requirements and reach the factory standard.How should liquid silica gel make silica gel mold?The following Xinjia silica gel to give you a detailed explanation:

    First, the preparation of tools and materials

    Select and prepare the silicone mold suitable for products, a mold, an electronic scale, a stirring container, a stirring knife and other tools and materials.

    Two, mold processing

    The mold is polished smooth, and then coated with release agent, release agent must be coated evenly (release agent can be dishwashing liquid, soapy water, petroleum jelly, liquid paraffin, etc.), and then dry with air gun or gauze.If do fragment mold, to choose to draw a good mold line. 

    Note: release agent uneven coating, easy to cause the demoulding, some complex pattern release agent reach of the coating, not parting, module and stick on the mould damage model species.

    Three, fixed mold type

    The mold is fixed on the board with glue, and then according to the different ways of opening the mold to deal with the mold, specific perfusion mold, packaging mold, split mold method.

If the perfusion mold:

    Perfusion mold or perfusion mold, is used for relatively smooth or simple products, no mold line to save labor and time, is you want to copy the product or model, surrounded by glue or glass plate, and glue will be sealed around, so as not to have a gap perfusion silica gel, silica gel flow along the gap.

    Note: Rubber plate or glass plate contact silica gel place should also play release agent.

If the fragment mold: the mold line below the part with mud filled, smooth and smooth, with a knife around the mud cut off, the distance from the mold type 25px-37.5px is better.

    Four, silica gel and curing agent ratio

    Estimate the amount of mold, mold silica gel appearance is A flowing liquid, A component is silica gel, B component is curing agent.Using electronic weighing silica gel, and then weighing the curing agent according to a certain proportion, the general curing agent added amount is 2%-3%, for example: Take 100 grams of silica gel, add 2 grams of curing agent, adhesive and curing agent and (case manufacturer to prompt the silicone and curing agent must mix, if there is no uniform mixing, mould will be a piece of has solidified, a no cure, silica gel can appear uneven drying curing condition can affect the service life of the die and the silicone mold number, And even cause the scrap of the mold.

    Follow the above steps to prepare things, according to the process operation you can make a high quality silicone products, go to try it.