Enhanced TDS
Knowde-enriched technical product data sheet
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
- Markets
- 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
- Physical Form
- Raw Material 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.% - - Rheological Properties
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).