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Lion Elastomers SBR 1769
SBR 1769 is an environmentally friendly version of SBR 1721 with the highest bound styrene content, and a naphthenic oil extender oil. It was developed for tire applications.
Properties
- Physical Form
- Bale
Product families
Applications
Automotive & Transportation — Automotive
- Tires
Product Families
Elastomers — Thermoset Elastomers
- Styrene Butadiene Rubbers (SBR)
Other characteristics
- Features
- Cold Polymerized, Oil Extended
- Polymer Name
- Emulsion Styrene Butadiene Rubber (ESBR)
- Additives Included
- Antioxidant
- Markets
- Automotive & Transportation
- Technology
- Elastomers
- Packaging Type
- Bales
- Unique Features
Cold polymerized styrene-butadiene elastomer; Highest bound styrene and naphthenic oil extender
- Usage Guidelines
Antioxidant is added to this polymer to provide protection during manufacture and storage. The end user's process may require additional antioxidant protection.
- Emulsifying System
- Mixed acid
- Material Features
- Cold Polymerized
- Oil Extended
- Chemical Inventories
- AICS (Australia)
- DSL (Canada)
- ENCS (Japan)
- IECSC (China)
- KECI (Korea)
- PICCS (Phillipines)
- TSCA (USA)
Technical data
Table 1 of 3
9 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Ash Content | max. 0.7 | wt % | — |
| Bound Styrene | 39.0-41.0 | wt % | — |
| Mooney Viscosity | 45-55 | MML 1+4 (100˚C) | — |
| Oil Content | 37.5 | parts – Naphthenic | — |
| Organic Acid Content | 4.1-5.7 | wt % | — |
| Polymer | 100 | parts | — |
| Soap Content | 0.5 | wt % | — |
| Specific Gravity | 0.93 | g/cc. | ASTM D-792 |
| Volatile Matter | 0.75 | wt % | ZS 1008K |
Table 2 of 3
7 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| MH | 10.6-14.6 | lbf-in | MDR 2000 Rheometer |
| MH | 12.0-16.5 | dN-m | MDR 2000 Rheometer |
| ML | 1.2-3.2 | lbf-in | MDR 2000 Rheometer |
| ML | 1.4-3.6 | dN-m | MDR 2000 Rheometer |
| t’ 50 | 7.2-11.2 | minutes | MDR 2000 Rheometer |
| t’ 90 | 13.8-18.8 | minutes | MDR 2000 Rheometer |
| ts 1 | 3.6-5.6 | minutes | MDR 2000 Rheometer |
Table 3 of 3
2 rows| Characteristic | Value |
|---|---|
| Coagulant | Acid |
| Stabilizer | Staining |
