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LG Chemical NBR 3250 High Acrylonitrile Polymer
| Category | Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE) |
| Manufacturer | LG Chemical |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | LG Chemical NBR 3250 High Acrylonitrile Polymer.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Description: NBR 3250 is a copolymer of butadiene and acrylonitrile manufactured by cold emulsion polymerization technology of Goodyear Tire and Rubber Company, USA. NBR 3250 is a non staining, medium mooney viscosity, and high acrylonitrile polymer designed to aid in processing operations such as calendaring and extruding for oil and fuel service products. NBR 3250 offers high resistance to fuels, solvents, oils and gas permeation. NBR 3250 is recommended to in industrial and automotive parts such as fuel hoses and packings. NBR 3250 is a low mooney version of NBR 3280.CAS No: 9003-18-3Information provided by LG Chemical
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 0.990 g/cc | 0.990 g/cc | |
| Volatiles | 0.30 % | 0.30 % | |
| Mooney Viscosity | 55 @Temperature 100 °C |
55 @Temperature 212 °F |
ML 1+4 |
| Ash | <= 0.50 % | <= 0.50 % |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore A | 71 @Temperature 150 °C, Time 1190 sec |
71 @Temperature 302 °F, Time 0.330 hour |
Cured |
| 76 @Temperature 100 °C, Time 252000 sec |
76 @Temperature 212 °F, Time 70.0 hour |
Circulating Oven Aging | |
| 49 @Treatment Temp. 25.0 °C, Time 252000 sec |
49 @Treatment Temp. 77.0 °F, Time 70.0 hour |
Aged fuel C | |
| 74 @Treatment Temp. 100 °C, Time 252000 sec |
74 @Treatment Temp. 212 °F, Time 70.0 hour |
Aged ASTM D #3 Oil | |
| 75 @Treatment Temp. 100 °C, Time 252000 sec |
75 @Treatment Temp. 212 °F, Time 70.0 hour |
Aged ASTM D #1 Oil | |
| Tensile Strength at Break | 17.7 MPa @Temperature 150 °C, Time 1190 sec |
2570 psi @Temperature 302 °F, Time 0.330 hour |
Cured |
| 18.5 MPa @Temperature 100 °C, Time 252000 sec |
2680 psi @Temperature 212 °F, Time 70.0 hour |
Circulating Oven Aging | |
| 31.8 MPa @Temperature 145 °C, Time 2990 sec |
4610 psi @Temperature 293 °F, Time 0.830 hour |
cured; ASTM D412 | |
| 13.9 MPa @Treatment Temp. 25.0 °C, Time 252000 sec |
2020 psi @Treatment Temp. 77.0 °F, Time 70.0 hour |
Aged fuel C | |
| 18.1 MPa @Treatment Temp. 100 °C, Time 252000 sec |
2630 psi @Treatment Temp. 212 °F, Time 70.0 hour |
Aged ASTM D #3 Oil | |
| 18.3 MPa @Treatment Temp. 100 °C, Time 252000 sec |
2650 psi @Treatment Temp. 212 °F, Time 70.0 hour |
Aged ASTM D #1 Oil | |
| Elongation at Break | 378.8 % @Temperature 100 °C, Time 252000 sec |
378.8 % @Temperature 212 °F, Time 70.0 hour |
Circulating Oven Aging |
| 410 % @Temperature 150 °C, Time 1190 sec |
410 % @Temperature 302 °F, Time 0.330 hour |
Cured | |
| 544 % @Temperature 145 °C, Time 2990 sec |
544 % @Temperature 293 °F, Time 0.830 hour |
cured; ASTM D412 | |
| 370.2 % @Treatment Temp. 25.0 °C, Time 252000 sec |
370.2 % @Treatment Temp. 77.0 °F, Time 70.0 hour |
Aged fuel C | |
| 377.5 % @Treatment Temp. 100 °C, Time 252000 sec |
377.5 % @Treatment Temp. 212 °F, Time 70.0 hour |
Aged ASTM D #1 Oil | |
| 379.5 % @Treatment Temp. 100 °C, Time 252000 sec |
379.5 % @Treatment Temp. 212 °F, Time 70.0 hour |
Aged ASTM D #3 Oil | |
| 300% Modulus | 0.0153 GPa @Temperature 145 °C, Time 2990 sec |
2.22 ksi @Temperature 293 °F, Time 0.830 hour |
cured; ASTM D412 |
| Compression Set | 20.4 % @Temperature 100 °C, Time 252000 sec |
20.4 % @Temperature 212 °F, Time 70.0 hour |
160°C x 30 min. Cured) |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Bound AN Content | 0.415 | |
| Color | Tan | |
| Components | HAF (IRB#7) | 40 phr, ASTM D3187 |
| NBR 3250 | 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 3250 | 100 phr | |
| Plasticizer(TP-95) | 10 phr | |
| Stearic Acid | 1 phr | |
| Sulfur | 0.5 phr | |
| TT | 1 phr | |
| Zinc Oxide | 5 phr | |
| Rheometer | 0.8 min | ts1, 160°C x 12 min, 1° Arc, MDR |
| 2.5 lb-in | ML, 160°C x 12 min, 1° Arc, MDR | |
| 2.5 min | t'90, 160°C x 12 min, 1° Arc, MDR | |
| 25.5 lb-in | MH, 160°C x 12 min, 1° Arc, MDR | |
| Volume Swell | -0.032 | Aged ASTM D #3 Oil (100°C x 70hrs) |
| -0.065 | Aged ASTM D #1 Oil (100°C x 70hrs) | |
| 0.325 | Aged fuel C (RT°C x 70hrs) |
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