NBR 6840 by LG Chem is a general purpose, medium-low mooney, non-staining, medium-high acrylonitrile butadiene rubber (NBR) grade manufactured by cold emulsion polymerization. Exhibits easy processing, high productivity and excellent elastic properties. Offers very low mold fouling, fast cure and high resilience. Can be processed by extrusion, injection molding and calendaring. Designed to satisfy the need for high level plasticizers. NBR 6840 by LG Chem is recommended for o-rings, belts, hose, sponge and food contact items.
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NBR 6840 properties
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| 300% Modulus | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Compression Set | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hardness, Shore A | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Maximum Torque (MH) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Minimum Torque (ML) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Rebound Elasticity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Elongation | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Elongation | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Ash Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Volatile Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Bound Acrylonitrile Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Cure Time, Tc'50 | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Cure Time, Tc'90 | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Scorch Time, ts1 | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity, Mooney | 0.0 Visible After Login | Visible After Login | Visible After Login |