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BUTYL RUBBER
Chemical Name:
Isobutylene-isoprene copolymer
SPECIFICATIONS
|
Property |
Value |
Test method |
|
|
Premium grade |
Grade 1 |
||
| Mooney Viscosity ML 1+8 (125°C), within the limits |
46-56 |
46-56 |
TU para.4.2 or ASTM D 1646 |
| Viscosity spread in a lot, max |
6 |
6 |
TU para.4.2 or ASTM D 1646 |
| Unsaturation, mol% |
1,6±0,2 |
1,6±0,2 |
TU para. 4.3 |
| Loss on drying, %, max |
0,30 |
0,30 |
TU para.4.4 or ASTM D 5668 |
| Ash, wt%, max |
0,30 |
0,40 |
Acc. to 4.5 TU or ASTM D 5668 |
| Iron, wt%, max |
0,010 |
0,020 |
TU para.4.6 |
| Adhesion reducing agent, wt%, max |
1,1 |
1,2 |
TU para.4.7 |
| Stabilizer, wt%, within the limits |
– |
– |
|
| Agidol-2 or Agidol-2А or similar |
0,05-0,20 |
TU para.4.8 |
|
| or Irganox 1010 or similar |
0,05-0,20 |
TU para.4.9 |
|
| or Wingstey-L |
0,05-0,20 |
TU para.4.11 |
|
| Foreign inclusions |
No |
TU para.4.12 |
|
| Curing characteristics |
– |
– |
|
| minimum torque, ML, dNm |
2,4-4,4 |
TU para.4.13 |
|
| maximum torque, MH, dNm |
16,0-20,0 |
TU para.4.13 |
|
|
tS1, min |
1,1-3,1 |
TU para.4.13 |
|
|
cure time 50%, t¢(50) min |
4,0-8,0 |
TU para.4.13 |
|
|
cure time 90%, t¢(90), min |
22,0-26,0 |
TU para.4.13 |
|
APPLICATION
Manufacture of tire inner tubes, press bladder diaphragms and butyl rubber latex, and for other industrial application purposes.
PACKAGE
540 or 1260 Kg Pallets
