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Chlorobutyl Rubber
Chemical Name:
Chlorinated isobutylene-isoprene copolymer
SPECIFICATIONS
| Property |
Value by grades |
Test method |
| Viscosity, ML 1+8 (125оС), within the range |
33÷44 |
TU para.4.2 or ASTM D 1646 |
| Viscosity spread in a lot, max |
4 |
TU para.4.2 |
| Chlorine, wt%, within the range |
1.10÷1.40 |
TU para. 4.3 or ASTD D 3566 |
| Ash, wt%, max |
0.5 |
TU para.4.4 or ISO 247 or ASTM D 5667 |
| Irganox 1010 (or similar), wt%, min |
0.05 |
TU para.4.5 |
| Loss on drying, %, max |
0.7 |
TU para 4.7 or ISO 248 or ASTM D 5668 |
| Curing characteristics |
– |
– |
| minimum torque МL, dNm |
2.0÷3.5 |
– |
| maximum torque МH, dNm
time to cure start, tS1, minutes |
6.5÷10.0 0.8÷2.2 |
TU para. 4.9 or ASTM D 5289 |
| time to 50% cure, t¢(50) minutes |
2.5÷5.0 |
– |
| time to 90% cure, t¢(90) minutes |
6.5÷11.0 |
– |
APPLICATION
In tyre and mechanical rubber industries, for medical products manufacture
PACKAGE
540 Kg /Pallet weight
