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Reason summary and solution of silica gel tube
Silicone tube spray frost (a layer of white aspirate) phenomenon in daily life is very common, but will not affect the use of
Effect, that is, the appearance is not good looking. Appearance may affect the customer's evaluation of the product. Small series of the original
Because of the summary, hoping to make a friend to do the help of silicone!
In 1, silicone tube release agent added, will spray frost!
2, silicone oil with D3 to do more impurities, small molecules, easy to spray!
3, the heat treatment process is improper, or the product curing process is improper, the amount of the curing agent is too much, also can spray cream!
4, small material such as anti-aging agent, accelerant added will spray out!
5, plastic material mixing uneven, will spray cream!
6, the increase of frost spray release agent!
7, silicon nitrogen, hydroxy silicone oil and so on, will be sprayed!
8, double 2, 4 of the silicone rubber, such as not to carry out the two part of the curing or add frost, it is easy to spray cream. Because the decomposition product of the double two four is
2,4 two, two times higher than 160 degrees of curing temperature, the decomposition products are out, 2,4 two (white),
In acid, FW-21 is alkaline, can prevent the product of spray cream. With the curing agent, the general use of double two four easy to spray. Mould pressing
There will not be such a phenomenon of spray cream in general.
In short, the general to do out of the silicone tube is easy to spray cream, molded very little. Two times to be vulcanized should be! Silicone rubber tube
Without an aging agent, accelerator. Related articles in front of the silicone tube.
This paper is from Shenzhen,, id=550?
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