Release agents in PVC floor

2021-06-01   Pageview:142

In the extrusion process of PVC melt, the plastic melt contacts the barrel, screw and mold surface to form negative pressure, or physical adsorption between the two will cause:
1, The screw or mold sticks to the material, resulting in marking or rough surface, which affects the appearance of the product.
2, It is difficult to peel off the plastic product from the mold after molding, which increases the frequency of shutdown and mold cleaning, which affects production efficiency.
3, Shorten the service life of equipment such as screw, barrel and mold, and increase maintenance cost.

PVC release agent mainly has the following characteristics:
1, It has excellent external lubrication and demoulding effects in PVC processing.
2, When mixed with additives such as calcium and zinc stabilizers, it has a synergistic effect and significantly improves the appearance of the product.
3, Reduce the frequency of shutdown and mold cleaning, and improve production efficiency.
4, Extend the service life of the extruder screw, barrel and die, and reduce maintenance costs.

The role of PVC lubricant:
1. In the case of a small amount, it has excellent external lubrication and demoulding effects during the processing of PVC flooring. During processing, it has a good synergistic effect with other additives, which can inhibit the precipitation of oligomer molecules and improve the appearance of products.
2, It can prolong the mold cleaning cycle, significantly extend the service life of the extruder screw, barrel and mold, improve production efficiency and reduce costs.

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