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Nancar® NBR 4155
- Chemical Family
- Nitrile Rubbers
Nancar® NBR 4155 is a high acrylonitrile butadiene copolymer with excellent oil resistance. It is polymerized at low temperature and contains sufficient antioxidant for normal aging conditions. It has fast curing rate, low mold fouling and superior resilience properties. 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
Industrial — Chemical & Industrial Manufacturing
- Other Industrial Applications
- Tooling & Moldmaking
Product Families
Elastomers — Specialty Elastomers
- Nitrile Rubbers
Other characteristics
- Brand
- Nancar
- Features
Cold Polymerized, Excellent Flowability, Exceptional Resilience, Fast Curing, Good Knitability, Good Processability, Oil Resistant
- Polymer Name
- Acrylonitrile Butadiene Rubber (NBR)
- Markets
- Industrial
- PACKAGING
- 25kg bales on pallets of 1200kg
- Shelf LIfe
12 months from date of production at temperatures not exceeding 35°C in dry conditions; exposure to light has to be avoided.
- Technology
- Elastomers
- Packaging Type
- Bales
- Additives Included
- Antioxidant
- Material Features
- Cold Polymerized
- Excellent Flowability
- Exceptional Resilience
- Fast Curing
- Good Knitability
- Good Processability
- Oil Resistant
- Compound Properties
Test formulation:ASTM D-3187/ISO 4658 /Miniature internal mixer(based on IRB#8)
- Chemical Inventories
- DSL (Canada)
- ENCS (Japan)
- IECSC (China)
- KECI (Korea)
- NECI Listed (Taiwan)
- TSCA (USA)
- Certifications and Compliance
- ISO 14001
- ISO 9001
- OHSAS
Technical data
Table 1 of 2
5 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Bound Acrylontrile Content | 39.5-42.5 | % | Internal test method, NANTEX Inc. |
| Heat Loss | max. 0.5 | % | ASTM D-5688 |
| Mooney Viscosity [ML1+4 at 100°C (massed)] | 50-60 | — | ASTM D-1646 |
| Specific Gravity | 1 | — | Internal test method, NANTEX Inc. |
| Total Ash Content | max. 0.7 | % | ASTM D-1416 |
Table 2 of 2
4 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Maximum Torque (160°C, 30min.) | 4.68 | lb-in | ISO 6502/ASTM D-5289 |
| Minimum Torque (160°C, 30min.) | 0.79 | lb-in | ISO 6502/ASTM D-5289 |
| Optimum Cure (160°C, 30 min) | 13.3 | Minutes | ISO 6502/ASTM D-5289 |
| Scorch Time (160°C, 30 min) | 2.9 | Minutes | ISO 6502/ASTM D-5289 |
