What is the molding process of PTFE bubble point membrane?

In the PTFE bubble film forming process, the two-way stretching or stretching processing method is often used abroad.

PTFE can be stretched between normal temperature and 327°C, that is, the stretching below the melting point is carried out in a high elastic state.

Stretching at low temperatures will cause the film to rupture, making it impossible to stretch. When it is higher than 327°C, the crystalline state between PTFE molecules changes to amorphous, and the network structure cannot be obtained well, so the general stretching temperature Between 40℃-327℃.

The difference in temperature directly affects the performance indicators of PTFE bubble point membrane.

Therefore, it is necessary to find the optimal range suitable for specific processes and equipment in production.

The strength, pore size, and porosity of the product are important indicators that determine the quality of the product.

The products produced are all produced from imported raw materials, with finer molecular weight, cleaner quality and better uniformity. We have a complete set of advanced production line equipment to ensure quality.

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