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Why does the silicone mold emit oil when it encounters high temperature or for a long time?
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Why does the silicone mold emit oil when it encounters high temperature or for a long time?

  • Categories: FAQ
  • Time of issue: 2021-11-30 19:01:53
  • Views: 0

Description:The problem of silicone oil

Answer:

Silica gel limit: When
the hardness of silica gel is lower than15A°, its tensile force and tear strength will be reduced, resulting in fewer mold turning times, short service life, easy deformation, and aging resistance.
When the hardness of the silica gel is higher than50A°, the hardness of the silica gel is very good, but the tensile force and tear strength will also be reduced or reduced accordingly, and the brittleness of the silica gel will increase and be easily broken after curing.

Silica gel has a performance limit. In this case, if there is a problem of oil leakage, it will be analyzed in different situations:

1. Due to the addition of powder during the production process, silicone oil is needed for the production of the material itself (to reduce the viscosity), so there will also be a certain amount of silicone oil.

2. The purity of silicone oil added in production is not high (complex of silicone oil and white mineral oil), because white mineral oil is a petrochemical product, not silicone oil, and it is easy to cause oil problems!

Keywords:
The problem of silicone oil Solve the problem of silicone oil leaking liquid silicone

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