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Physical-chemical processing


The technology of FOLIPOR track membrane production consist of irradiation of polymer films by accelerated heavy ions forming latent tracks followed by a physical-chemical processing which consist of the stages listed below:

  • Processing of polymer films with latent tracks by ultraviolet radiation;
  • Chemical etching of polymer films in an alkaline solution by way of formation of reach-through graduated pores with the right form and diameter.

Fig. 1.


Ultraviolet radiation arrangement.

Фото установки

Fig. 2.


Spooling of FOLIPOR track membrane and visual quality inspection.

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Analytical quality inspection of FOLIPOR track membranes 

Diagnostic control of FOLIPOR membranes through the measurement of its main functional parameters:

  • pore diameter (method of "bulb");
  • efficiency for gas;
  • mechanical stability;
  • pore diameter distribution (mercury porometric method).

Selection checks are carried out for every batch of FOLIPOR membranes in accordance with the request of the customer.

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