How to deal with the bubble problem of liquid silicone?

As a manufacturer of silicone products, whether it is solid silicone or liquid silicone, as long as it is in the silicone product industry, whether it is the problem of raw materials or production technology, we need to fully understand.

Some finished products produced by liquid silicone will have bubbles, which will affect the appearance. How to solve the bubbles?

1. In the case of a vacuum machine, the well-stirred silica gel should be placed in a vacuum machine for vacuum treatment. After vacuuming, wait for 3-5 minutes before heating, so that there is enough time for natural drainage. Air bubbles.

2. Bubbles usually appear when stirring the silicone, so in order to reduce the bubbles, it is necessary to stir in the same direction when stirring the silica gel, so that there will not be too many bubbles.

3. In the absence of a vacuum machine, it can be cured at room temperature, reducing the amount of curing agent added, so that the curing time of the silicone will be slower, and then put it aside, it will slowly start to discharge air bubbles by itself, but Room temperature curing only reduces air bubbles, and does not completely eliminate air bubbles.

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