Butyl Rubber is Copolymer rubber of Isobutylene and Isoprene. It is used mainly in inner tubes of tires, tires envelopes. It is also used in medical stoppers, sealing material, ball bladders etc. Butyl Rubber is known for outstanding heat-resistance, superior air impermeability, thermal aging resistance and good curing performance
| Basic Properties | Unit | Standard | Test Method | |
|---|---|---|---|---|
| Product Form | —- | Off-White bales | Visual | |
| Mooney Viscosity (ML1+8, 125C) | MU | 38±4 | GB/T 1232.1 | |
| Volatiles | Wt% | ≤0.5 | GB/T 24131.2 | |
| Unsaturation | Mol% | 1.25±0.1 | Q/XH-FX 100 | |
| Total Ash | Wt% | ≤0.5 | GB/T 4498.1 | |
| Antioxidant (Non-staining) | Wt% | ≥0.02 | Q/XH-FX 030 |
| Cure Characteristics | Unit | Standard | Test Method |
|---|---|---|---|
| FL | dNm | 2.5±0.9 | GB/T 16584 |
| FH | dNm | 8.0±1.5 | Moving Die |
| ts1 | Min | 1.2±0.9 | Rheometer (MDR) |
| tc50 | Min | 3.0±2.0 | 160C x 40min, |
| tc90 | Min | 8.5±3.3 | 0.5 arc |
| Test Formulation (phr) | GB/T32676: CIIR-1301 100, IRB#8 40, ZnO 5, St.A 1 |
Packaging:
Chlorobutyl Rubber is in bales with each bale weighing around 34kg, covered with EVA wrapping film and packed in Good Packing box/Plywood Box.
Safety & Toxicity:
It is harmless and not dangerous for humans, animals, or plants. For further details, please see MSDS.
Storage Life & Conditions:
Two years and for storage and transport below 35C and no exposure to sunlight.