Semi-Permeable Membrane for Prepreg Vacuum Process
JLON COMPOSITE SERVE HIGH QUALITY OF VAP SEMI-PERMEABLE MEMBRANE~
VAP semi-permeable membrane is a unidirectional breathable film for vacuum assisted process, made of polyurethane (PU) translucent film and nylon fabric. It is air breathable but resin impermeable. Bubbles and volatile components can be continuously pumped away during the entire process, preventing the loss of resin and better improving product performance.
Material | Nylon +PU |
Color | Blue+ white |
Thickness, mm | 0.18±0.03mm |
Unit weight | 120±5 g/m2 |
Max temperature | 160ºC |
Hydrostatic pressure | ≥8000mmH2O |
Air Permeability | ≥0.3L/m2/s |
It can be used in vacuum infusion and prepreg processes,greatly improving product performance.
1. According to the customer's production process
needs to use. White surface can not be dipped in
water and other chemical liquids, can not destroy
the white rubber surface.
2. Store in a cool and dry place, avoid heat, direct
sunlight or rain. Avoid direct sunlight.
3. Storage period: 12 months from the date of
shipment.
4. Avoid direct sunlight. Discoloration does not
affect quality and use.
5. In order to make the cured product easy to
release the mold, the white surface may be
oriented towards the glass fiber, but the
surface cannot be used instead of peel ply.
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