Insertion Rubber Sheet
Used between flanges and similar joints subjected to water & air pressure.
CONSTRUCTION
- Rubber Composition: Manufactured out of Rubber compound of high quality Natural or Synthetic rubber or a blend thereof.
- Reinforcement: The reinforcement fabric used shall have a minimum breaking load of 120 N/cm widths for both warp and weft direction.
- Color & Finish: Unless otherwise specified, colour shall be off-white having cloth marked finish on both surfaces
- Sizes: the thickness of the sheet, permissible tolerances, number of fabric plies.
| Type | Tensile Strength kgf/cm | Elongation at break (Percentage) | Hardness (IRHD) | Compression Set (Percentage) | ||
|---|---|---|---|---|---|---|
| Grade 1 | Grade 2 | Grade 1 | ||||
| A | 85 | 60 | 400 | 350 | 50-65 | 35 (Max) |
| B | 85 | 60 | 300 | 250 | 65-80 | 35 (Max) |
| Thickness | Tolerance | Number of Plies | Width | Length |
|---|---|---|---|---|
| mm | mm | Mtr | Mtr | |
| 1.5 | ± 0.2 | 1 | 1 | 10 |
| 3 | ± 0.3 | 2 | 1 | 10 |
| 5 | ± 0.5 | 2 | 1 | 10 |
| 6 | ± 0.6 | 3 | 1 | 10 |
| 8 & above | ± 0.7 | 4 | 1 | As per agreement |
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