WELA Handelsgesellschaft mbH

Films

Vacuum film is used to envelop the complete form or the layer composition with various vacuum processes. Using a vacuum pump the air trapped under the film is sucked out thus creating a vacuum and pressing the laminate together.

Films 

Films

PE perforated film (red) and HDPE 

PE perforated film (red) and HDPE

Vacuum film
Type Standard
width
Thickness Elongation at tear
(0-value)
Use
temperature
Roll length
approx.
  cm µm % ºC Linear meter
Minimum order size: 1 roll
215-50-1850 185 * 50 > 370 205 200
215-75-1850 185 * 75 > 370 205 200

* other widths upon request (sealed from 300 cm)

Perforated film is used to separate laminate and absorbent non-wovens in vacuum procedures. The excess resin can escape from the laminate through the perforated film and is picked up by the absorbent non-woven.

Perforated film
Type Standard
width
Thickness Elongation at tear Thickness Use
temperature
Roll length
approx.
  cm µm % mm ºC Linear meter
Minimum order size: 1 roll*

HD-PE perforated film hot-needled

115 30 > 500 0,02 – 0,15 140 750
PE perforated film, red-needled 200 (folded to 100) 35 > 400 0,035 100 200
PE perforated film unneedled 200 (folded to 100) 35 > 400 0,035 100 200
PE perforated film cold-needled 250 35 > 400 0,035 100 500 *

* Minimum order size with cold-needled perforated film: Upon request

A separating film is used as the bottom layer in the laminate structure. It separates the laminate from the respective tool.

Separating film
Type Standard
width
Thickness Elongation at tear Thickness Use
temperature
Roll length
approx.
  cm µm % mm ºC Linear meter
Minimum order size: Upon request
Separating film C blue 140 24 > 400 0,022 110 1000
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