Product Description
BIIR 2332 is a synthetic rubber with low Mooney viscosity, a brominated copolymer of isobutylene and isoprene.
Basic Characteristics
| Property | Unit | Specification | Test Method |
| Appearance | / | White to amber solid | Visual |
| Mooney Viscosity ML（1+8）125℃ | MU | 32.0±4.0 | GB/T 1232.1 |
| Bromine content | wt% | 2.10±0.20 | Chambroad Method |
| Volatiles | wt% | ≤0.5 | GB/T 24131.2 |
| Ash content | wt% | ≤0.7 | GB/T 4498.1 |
| Stabilizer Content | wt% | 1.0-1.6 | Chambroad Method |
Antioxident （non-Staining） | wt% | ≥0.02 | Chambroad Method |
Curing Characteristics
| Property | Unit | Specification | Test Method |
| ML | dN.m | 2.5±1.0 | Compounding method :ASTM D3958 Test condition:SH/T 1717-2008 6.2 Test method:GB/T 9869.3 |
| MH | dN.m | 7.5±2.0 | |
| ts1 | min | ≥1.5 | |
| t50 | min | 4.3±1.5 | |
| t90 | min | 7.4±2.0 |
Application Method
Applicable to the production of pharmaceutical stoppers and medical devices.
Package
34kg per bale, individually packed in low melting PE/EVA/(EVA+PE) composite film.
Disposable iron box or Turnover iron box, 1224kg per box(34 kg per bale *36 bales).
Safety
The solid high-molecular polymer with stable and reliable performance, harmless to humans, animals,plants as well as ecology environment. For any relevant safety data, see details in MSDS.
Storage
The item must be stored in dry and ventilative warehouse and kept out of direct sunlight, moisture and contamination. The storage period is 24 months..
