Knowde Enhanced TDS
Identification & Functionality
- Polymer Name
- CAS No.
- 68424-16-8, 68441-14-5
- Technologies
- Product Families
Features & Benefits
- Materials Features
- Features
Bromobutyl rubber is a derivative of butyl rubber which is produced by brominating butyl rubber in a continuous halogenation process.
Bromobutyl is very similar to Chlorobutyl in structure and properties. However it has higher reactivity than Chlorobutyl therefore offering highly versatile curing system.
- Key Benefits
- Low Gasses and Liquids Permeatability
- Good Weather and Ozone Resistance
- Good Chemical Resistance
- Good Heat Stability
Applications & Uses
- Applications
- Plastics & Elastomers End Uses
- Application
This product can be used as a raw material in Tires and Rubber goods Industries, for Pharmaceutical Closures
Properties
- Raw Material Properties
- Rheological Properties
| Value | Units | Test Method / Conditions | |
| Ash Content | max. 0.7 | Wt.% | ASTM D5667 |
| Bromine Content | 1.6 - 2.0 | Wt.% | RSEPL method |
| Calcium Content | 0.10 - 0.16 | Wt.% | RSEPL method |
| Mooney Viscosity ML (1+8, at 125°C, un-massed) | 28 - 36 | MU | ASTM D1646 |
| Non-staining Antioxidant | min. 0.05 | Wt.% | RSEPL method |
| Stabilizer ESBO | 1.0 - 1.5 | Wt.% | RSEPL method |
| Volatile Matter | max. 0.7 | Wt.% | ASTM D5668 |
| Fixed Halogen | 1.8 - 2.2 | Wt.% | — |
| Value | Units | Test Method / Conditions | |
| Maximum Torque (MH) | 5.5 - 9.0 | dN·m | ASTM D5289 |
| Minimum Torque (ML) | 1.5 - 3.5 | dN·m | ASTM D5289 |
| t’50 | 3.5 - 7.0 | minute | ASTM D5289 |
| t’90 | 5.5 - 11.0 | minute | ASTM D5289 |
| ts1 | 1.5 - 3.5 | minute | ASTM D5289 |
Packaging & Availability
- Country Availability
- Packaging Type
- Regional Availability
- Packaging
30 Kg Bale wrapped in dispersible EVA film is further packed either in appropriate bulk packing (like metal container) or as individual bale in paper bag.
Storage & Handling
- Shelf Life
2 years from manufacturing date under controlled storage conditions (temperature less than 40°C, no exposure to direct sunlight and atmospheric precipitation).