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LG Chemical NBR 6840 High Acrylonitrile Polymer
| Category | Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE) |
| Manufacturer | LG Chemical |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | LG Chemical NBR 6840 High Acrylonitrile Polymer.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Description: NBR 6840 is a copolymer of butadiene and acrylonitrile manufactured by advanced emulsion polymerization technology of Goodyear and LG Chem. NBR 6840 is a non staining, medium low mooney, and medium high acrylonitrile polymer designed for easy processing, high productivity and excellent elastic properties. NBR 6840 offers very low mold fouling, fast cure, and high resilience.Applications: NBR 6840 is recommended to use in wide range of general purpose applications including injection molded o-rings, calendared belting, extruded hose and sponge.CAS No: 9003-18-3Information provided by LG Chemical
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 0.980 g/cc | 0.980 g/cc | |
| Volatiles | 0.30 % | 0.30 % | |
| Mooney Viscosity | 40 @Temperature 100 °C |
40 @Temperature 212 °F |
ML 1+4 |
| Ash | <= 0.50 % | <= 0.50 % |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore A | 70 @Temperature 145 °C, Time 1190 sec |
70 @Temperature 293 °F, Time 0.330 hour |
Cured |
| 75 @Temperature 100 °C, Time 259000 sec |
75 @Temperature 212 °F, Time 72.0 hour |
Circulating Oven Aging | |
| 47 @Treatment Temp. 25.0 °C, Time 259000 sec |
47 @Treatment Temp. 77.0 °F, Time 72.0 hour |
Aged fuel C | |
| 71 @Treatment Temp. 100 °C, Time 259000 sec |
71 @Treatment Temp. 212 °F, Time 72.0 hour |
Aged ASTM D #3 Oil | |
| 75 @Treatment Temp. 100 °C, Time 259000 sec |
75 @Treatment Temp. 212 °F, Time 72.0 hour |
Aged ASTM D #1 Oil | |
| Tensile Strength at Break | 17.4 MPa @Temperature 145 °C, Time 1190 sec |
2520 psi @Temperature 293 °F, Time 0.330 hour |
Cured |
| 18.0 MPa @Temperature 100 °C, Time 259000 sec |
2610 psi @Temperature 212 °F, Time 72.0 hour |
Circulating Oven Aging | |
| 28.4 MPa @Temperature 145 °C, Time 2990 sec |
4120 psi @Temperature 293 °F, Time 0.830 hour |
cured; ASTM D412 | |
| 13.4 MPa @Treatment Temp. 25.0 °C, Time 259000 sec |
1940 psi @Treatment Temp. 77.0 °F, Time 72.0 hour |
Aged fuel C | |
| 18.0 MPa @Treatment Temp. 100 °C, Time 259000 sec |
2610 psi @Treatment Temp. 212 °F, Time 72.0 hour |
Aged ASTM D #3 Oil | |
| 18.6 MPa @Treatment Temp. 100 °C, Time 259000 sec |
2700 psi @Treatment Temp. 212 °F, Time 72.0 hour |
Aged ASTM D #1 Oil | |
| Elongation at Break | 386.4 % @Temperature 100 °C, Time 259000 sec |
386.4 % @Temperature 212 °F, Time 72.0 hour |
Circulating Oven Aging |
| 417 % @Temperature 145 °C, Time 1190 sec |
417 % @Temperature 293 °F, Time 0.330 hour |
Cured | |
| 517 % @Temperature 145 °C, Time 2990 sec |
517 % @Temperature 293 °F, Time 0.830 hour |
cured; ASTM D412 | |
| 371.6 % @Treatment Temp. 25.0 °C, Time 259000 sec |
371.6 % @Treatment Temp. 77.0 °F, Time 72.0 hour |
Aged fuel C | |
| 394.9 % @Treatment Temp. 100 °C, Time 259000 sec |
394.9 % @Treatment Temp. 212 °F, Time 72.0 hour |
Aged ASTM D #1 Oil | |
| 394.9 % @Treatment Temp. 100 °C, Time 259000 sec |
394.9 % @Treatment Temp. 212 °F, Time 72.0 hour |
Aged ASTM D #3 Oil | |
| 300% Modulus | 0.0142 GPa @Temperature 145 °C, Time 2990 sec |
2.06 ksi @Temperature 293 °F, Time 0.830 hour |
cured; ASTM D412 |
| Rebound | 44.3 % @Temperature 30.0 °C |
44.3 % @Temperature 86.0 °F |
|
| Abrasion | 0.3439 | 0.3439 | AKRON |
| Compression Set | 21.2 % @Temperature 100 °C, Time 259000 sec |
21.2 % @Temperature 212 °F, Time 72.0 hour |
160°C x 30 min. Cured) |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Bound AN Content | 0.34 | |
| Color | Light Tan | |
| Components | HAF (IRB#7) | 40 phr, ASTM D3187 |
| NBR 6840 | 100 phr, ASTM D3187 | |
| Stearic Acid | 1 phr, ASTM D3187 | |
| Sulfur | 1.5 phr, ASTM D3187 | |
| TBBS | 0.7 phr, ASTM D3187 | |
| ZnO | 3 phr, ASTM D3187 | |
| Compound Recipe | Antioxidant(3-C) | 1 phr |
| Antioxidant(RD) | 2 phr | |
| Carbon Black(SRF) | 80 phr | |
| CZ | 2 phr | |
| NBR 6840 | 100 phr | |
| Plasticizer(DOP) | 10 phr | |
| Stearic Acid | 1 phr | |
| Sulfur | 0.5 phr | |
| TT | 1 phr | |
| Zinc Oxide | 5 phr | |
| Rheometer | 0.9 min | ts1, 160°C x 12 min, 1° Arc, MDR |
| 1.3 min | t'50, 160°C x 12 min, 1° Arc, MDR | |
| 1.7 lb-in | ML, 160°C x 12 min, 1° Arc, MDR | |
| 1.7 min | t'90, 160°C x 12 min, 1° Arc, MDR | |
| 27.1 lb-in | MH, 160°C x 12 min, 1° Arc, MDR | |
| Volume Swell | -0.029 | Aged ASTM D #3 Oil (100°C x 72hrs) |
| -0.068 | Aged ASTM D #1 Oil (100°C x 72hrs) | |
| 0.412 | Aged fuel C (RT°C x 72hrs) |
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