Jiangsu Jiunai Intelligent Manufacturing Technology Co., LTD
Jiangsu Jiunai Intelligent Manufacturing Technology Co., Ltd " Quality for keeping going ,Credit to win the world "
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Polyurethane dampers/buffers/pads for hydraulic hammer/rock breaker are made of optimum quality CPU and with a variety of designs,colors and sizes available for users'option. Also can be customized according to buyers' special requirements.They are used as the damper/buffer inserts between the metal parts of rock breaker/hammer to absorb the vibration/shock/sound.
1) Rubber elasticity,Metal toughness and durability, Plastic shape and color flexibility
2) Broad range of durometer hardness
3) Abrasion resistance
4) Oil and solvent resistance
5) Load bearing capacity
6) Tear resistance
7) Excellent noise abatement properties
8) Ageing resistance
Technical Data:
| Hardness | 95 A |
| 100% Modulus | 15 MPA |
| 300% Modulus | 38MPA |
| Tensile Strength | 49MPA |
| Relative Elongation at Break | 430% |
| Tensile Strength | 106(KN/M) |
| Rebound Elasticity | 47%(23℃) |
| Art No. | Specs (mm) | Weight(kg) | Hardness (Shore A) |
| JN20 | 112*98*65 | 0.4 | 95 |
| JN30 | 126*106*65 | 0.5 | 95 |
| JN40 | 145*145*75 | 1.1 | 95 |
| JN43 | 145*145*75 | 1.1 | 95 |
| JN45 | 175*166*80 | 1.5 | 95 |
| JN50 | 217*217*106 | 3.4 | 95 |
| JN81 | 289*234*133 | 6.2 | 95 |
| JN81N | 240*215*130 | 4.3 | 95 |
| JN20G | 240*240*130 | 4.5 | 95 |
| JN130 | 290*326*155 | 9 | 95 |
| JN121 | 290*290*155 | 8.5 | 95 |
| JN30G | 290*326*155 | 9 | 95 |
| JN151 | 290*326*155 | 9 | 95 |
| JN20 | 100*100*15 | 0.2 | 95 |
| JN30 | 137*126*15 | 0.3 | 95 |
| JN40 | 150*156*20 | 0.42 | 95 |
| JN43 | 172*160*20 | 0.43 | 95 |
| JN45 | 160*186*20 | 0.5 | 95 |
| JN50 | 240*210*20 | 0.8 | 95 |
| JN81 | 306*257*30 | 1.9 | 95 |
| JN81N | 275*237*30 | 1.8 | 95 |
| JN20G | 261*261*30 | 1.6 | 95 |
| JN130 | 325*290*30 | 2.5 | 95 |
| JN121 | 326*286*30 | 2.4 | 95 |
| JN30G | 280*280*30 | 1.8 | 95 |
| JN151 | 352*325*30 | 3 | 95 |
| JN540 | 106*70*12 | 0.1 | 95 |
| JN543 | 106*70*12 | 0.1 | 95 |
| JN550 | 120*85*20 | 0.23 | 95 |
| JN581 | 200*120*20 | 0.56 | 95 |
