Polyurethane membrane
Polyurethane vacuum membrane for bagging, veneering, laminating, and bending wood components.
What is a polyurethane membrane for vacuum presses?
The polyurethane membrane is a transparent, flexible membrane used in vacuum presses for veneering, laminating, vacuum bagging, and wood bending processes. Its transparency facilitates workpiece positioning and visual monitoring of the process, while its elasticity allows for uniform pressure distribution across veneers, curved panels, large molds, and laminated wood assemblies.
Technical specifications of Polyurethane membrane
| Specification | Details |
|---|---|
| Hardness | Shore A 85 |
| Density | 1.24 g/cm³ |
| Tensile strength | 28.59 MPa (transversal, CD) / 31.07 MPa (longitudinal, MD) |
| Modulus at 100% | 6.41 MPa (transversal, CD) / 7.26 MPa (longitudinal, MD) |
| Modulus at 300% | 9.18 MPa (transversal, CD) / 11.76 MPa (longitudinal, MD) |
| Elongation at break | 704 % (transversal, CD) / 686 % (longitudinal, MD) |
| Tear strength | 109.51 N/mm (transversal, CD) / 104.03 N/mm (longitudinal, MD) |
| Melting point | 150 ºC |
| Working temperature | up to 100 ºC |
| Colour | Transparent |
| Surface finish | Smooth |
| Thickness | 0.5 mm |
| Width | 1600 mm |
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