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What are the reasons for the cracking of the cutting edge of the silicone tube?
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No cracking was found in the silicone tube, but it was found that a severe cracking was found at the edge of the hole. First appearance is after many times, so it is unlikely to be in production when there is such a big crack not found! So it may be possible to analyze the causes of the cracks in the edge of the cut edge of the silicone tube.
1 if the breach is always a rule to follow, check whether your mold has a problem;
2 Is it right? Compound caused by impurities;
3 when the temperature is too high.
4 the amount of curing agent.
Odd and silicone rubber to share: non vulcanized rubber material is a component of the surface. When the mold filling in a relatively fixed place, which is determined by the shape of the rubber, filling the mold position, the time of the emergence of cracking. Change the formula, pay attention to the composition of the.2 when it's time to go. The main attention is paid to check the position of the crack. Training should emphasize the product. Be sure to put the material to play. Put in a few days to do a cure.
In short, if the problem is arguably the mold, or curing agent problems should not only such a low rate of bad.
This paper is from Shenzhen,, id=467?
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