When the silicone tube is vulcanized, the proportion of natural rubber and calcium carbonate in normal condition is 1:2.5. If continue to increase the calcium carbonate, other small material is not to increase the corresponding? If you do not increase will not affect the speed of curing? The following small series on the specific analysis will not affect the speed of sulfide.
First of all, the pH value of calcium carbonate will affect the speed of the silicone tube, increasing the amount of calcium carbonate in general will not affect the speed of curing. You add the curing agent is not vulcanized rubber. Now that the rubber content is decreased, the overall content of the curing agent in the rubber will not be reduced. The uniform distribution of the curing agent and accelerator may affect the curing. When the amount of added mixed refine, some corresponding changes in the molecule, so the speed of sulfide will have an effect on it. I think it should be slow, but it won't change too much.
Second, although the impact will not be too large, but the physical performance will decline many.
In short, it should be very difficult to disperse, the rate of sulfide will not affect too much, out of the silicone tube should be very hard, easy to break. The curing speed has little effect on the elasticity of the rubber material, but it is easy to produce bubbles during the curing process!
This paper is from Shenzhen,, id=551?
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