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Precautions for liquid silicone replica production

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Liquid silicone is the material chosen by many manufacturers for making molds, but some issues are easily overlooked during the mold making process.
First, the handling of mold types. Many customers are always worried that the surface of the mold made is not smooth and not good-looking. In fact, this issue is closely related to the smoothness of the surface of the mold. The mold should be selected with a smooth surface, or it can be cleaned before pouring glue, so that the surface of the produced mold is smooth and clean.

Secondly, there is a problem with the proportion of curing agent added. Most manufacturers who use silicone rely on experience to add curing agents, rather than weighing and adding them through electronic scales, as the proportion of curing agent directly affects the customer's operation process and mold performance. Therefore, the amount of curing agent added must be measured using an electronic scale to obtain detailed data.

Thirdly, the issue of silicone bubbles. When the silicone and curing agent are mixed and stirred evenly, a large number of bubbles will be generated in the silicone. Customers always think that the silicone has no bubbles, but when it is truly used, bubbles will definitely be generated. To completely eliminate bubbles, it can only be achieved through external force from a vacuum machine. A small portion of bubbles can also be eliminated by reducing the proportion of curing agent added.

Fourthly, the time for dismantling the silicone mold and the time for using the silicone mold. After the silicone mold solidifies, it can be demolded. It is recommended to wait for 24 hours after the mold solidifies before using the silicone mold for demolding production.

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