What are the common problems when rubber foam? How to fix it?-ONE

Problem 1: Insufficient foam holes

1, there may be a problem with the quality of the blowing agent, if this happens, we must first check the life of the blowing agent to see whether the blowing agent is within the life of the blowing agent.

2, it may be that the strength of the rubber material can be molded is too low. At this time, we need to check whether the plasticity of the rubber is within the standard range, if the plasticity is too low, it should be supplemented by mixing refining, so that the plasticity can be increased, and the foam holes can be increased.

3, the rubber material is placed for too long or in a place with high temperature, so that the blowing agent will volatilize. In this case, the compound should be re-processed.

4, the speed of vulcanization of rubber material is very fast, at this time should adjust the formula of rubber material, coordinate the critical temperature of vulcanization agent and decomposition temperature of blowing agent, so that the speed of the two cooperate with each other to slow down the vulcanization speed.

Problem 2: Insufficient filling mold

1, the use of rubber is insufficient, at this time should be weighed one by one, so as to ensure that the weight of the rubber material meets the standard.

2. It may be that the mold is not clean enough or that the mold has been used for a long time without corresponding cleaning work, so that the rubber material is subjected to resistance when it flows. In this case, we should find a way to reduce the resistance effect to enhance the fluidity of the rubber.