70 Duro, Oil resistant, Cork and Nitrile Rubber composite
ATW1 Rubberised Cork Sheet is a premium grade, oil resistant, 70 Duro cork sheet, made with a premium quality cork bound together with a Nitrile and synthetic rubber blend. This combination makes ATW1 Rubberised Cork both compressible and resilient and suitable for automotive, transformer and electrical equipment sealing applications.
Technical Information
Binder Polymer | NBR / SBR | |
Colour | Natural | |
Density | 0.7-0.8 g/cm3 | ASTM D297 |
Hardness | 65°± 5° Shore A | ASTM D2240 |
Tensile Strength | 0.9-1.5 MPa | ASTM D412 |
Cork Grain Size | Medium (1.55-2.0mm) | ASTM D412 |
Compressibility | 35-45% @ 28kg/cm2 load | |
Recovery After Compression | 85% (min) | |
Flexibility | TX3 (no cracks) | |
Volume Swell @ 100°C x 70hrs | OIL #3 +24% | ASTM D471 |
Available Sizes
STANDARD THICKNESS | 0.8mm, 1.6mm, 2.4mm, 3.2mm, 4.8mm, 6.4mm, 9.5mm |
STANDARD SHEET SIZE | 1040mm x 1040mm |
Sheet rubber can be supplied in cut lengths, strips, pads and a wide variety of custom cut shapes and gaskets to meet your requirements.

Applications
Reglin ATW1 Rubberised Cork Sheet has been designed primarily for use as a flexible strip, pad, or gasket and is mainly used for Sealing, Insulating and Isolating. Its properties make it suitable for use in a wide range of applications including:
- Transformer seals
- Automotive gaskets
- Vibration dampening strip and pads
- Electrical switchgear gaskets
- Insulating strip
- Isolation barriers
- Variety of sealing applications