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Nancar® NBR 4975
- Chemical Family
- Nitrile Rubbers
Nancar® NBR 4975 is an ultra-high acrylonitrile butadiene copolymer with excellent oil resistance. It is polymerized at low temperature and contains sufficient antioxidant for normal aging conditions. It has good processing characteristics in compounds where flow and knitting are desired and is especially valuable in high durometer compounds.
Properties
- Physical Form
- Solid
Product families
Applications
Applications
- Printing & Packaging — Other Printing & Packaging Applications
Automotive & Transportation — Automotive
- Fuel Systems
- Other Automotive Applications
Industrial — Chemical & Industrial Manufacturing
- Equipment & Parts
- Other Industrial Applications
Product Families
Elastomers — Specialty Elastomers
- Nitrile Rubbers
Other characteristics
- Brand
- Nancar
- End Uses
Automotive Applications, Automotive Fuel Lines, Gaskets, Seals
- Features
Cold Polymerized, Good Processability, Low Air Permeability, Oil Resistant
- Polymer Name
- Acrylonitrile Butadiene Rubber (NBR)
- Markets
- Automotive & Transportation
- Industrial
- Printing & Packaging
- Technology
- Elastomers
- Packaging Type
- Bales
- Characteristic
It has ultra-high acrylonitrile rubber with excellent oil resistance.
- Aging Properties
- Cured @150°C
- CURING TIME (MIN)
- Cured @ 150°C×40 minutes
- Additives Included
- Antioxidant
- Material Features
- Cold Polymerized
- Good Processability
- Low Air Permeability
- Oil Resistant
- Chemical Inventories
- DSL (Canada)
- ENCS (Japan)
- IECSC (China)
- KECI (Korea)
- NECI Listed (Taiwan)
- TSCA (USA)
- Certifications and Compliance
- ISO 14001
- ISO 9001
- OHSAS
- Plastics and Elastomers End Uses
- Automotive Applications
- Automotive Fuel Lines
- Gaskets
- Seals
Technical data
Table 1 of 2
5 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Bound Acrylontrile Content | 49 | % | NANTEX E-001 |
| Heat Loss | max. 0.3 | % | ASTM D-5688 |
| Mooney Viscosity [ML1+4 at 100°C] | 81 | — | ASTM D-1646 |
| Solubility | 100 | % | NANTEX E-001 |
| Specific Gravity | 1.01 | — | — |
Table 2 of 2
25 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Elongation (20 min, at 150°C) | 588 | % | ASTM D-412 |
| Elongation (40 min, at 150°C) | 512 | % | ASTM D-412 |
| Elongation (40min, at 150°C) | 144 | Kg/cm2 | ASTM D-412 |
| Elongation (60 min, at 150°C) | 448 | % | ASTM D-412 |
| Elongation (60min, at 150°C) | 165 | Kg/cm2 | ASTM D-412 |
| Elongation Change (IRM 901 Oil Immersion, Cured at 100°C×70hrs) | -27 | % | ASTM D-471 |
| Elongation Change (IRM 903 Oil Immersion, Cured at 300°C×70hrs) | -26 | % | ASTM D-471 |
| Elongation Change (Test Tube Heat Aging at 100°C×70hrs) | -25 | % | ASTM D-865 |
| Fuel C Permeability Coefficient (40min, at 150°C) | 16.6 | mm/cm2.d | ASTM D-814 |
| Hardness (Durumeter A, 20min, at 150°C) | 78 | — | ASTM D-2240 |
| Hardness (Durumeter A, 40min, at 150°C) | 79 | — | ASTM D-2240 |
| Hardness (Durumeter A. 60min, at 150°C) | 79 | — | ASTM D-2240 |
