Beijing YANXA Technology Development Co., Ltd.
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Description:
EPDM rubber possesses the advantages of low density, good weathering resistance, brilliant anti-aging property and great heat resistance, making it widely applied in the field of mechanical and chemical engineering, construction, vehicles and particularly in the engine combustion chamber insulation layer of aerospace solid rocket for its outstanding ablation resistance.
J5:
| Viscosity: | 10~18 |
| Shear strength between unvulcanized heat insulating layer and steel sheet (20±3℃, MPa): | ≥4.0 |
| Shear strength between unvulcanized heat insulating layers (20±3℃, MPa): | ≥4.0 |
| Shear strength between unvulcanized heat insulating layer and vulcanized layer (20±3℃, MPa): | ≥4.0 |
J6 :
| Shear strength between unvulcanized heat insulating layer and steel sheet (20±3℃, MPa): | ≥2.5; |
| Pull strength between unvulcanized heat insulating layer and steel sheet (20±3℃, MPa) | ≥2.5 |
| Shear strength between unvulcanized heat insulating layers (20±3℃, MPa): | ≥2.5 |
| Pull strength between unvulcanized heat insulating layers (20±3℃, MPa) | ≥2.5 |