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Butyl rubber grade IIR-1675N is a product of isobutylene and isoprene copolymerization. |
Chemical name: |
Isobutylene-isoprene copolymer |
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Application: manufacture of tire inner tubes, press bladder |
Empiric formula: |
(С4Н8)m(С5Н8)n |
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diaphragms and butyl rubber latex, and other industrial applications. |
Standard specification: |
TU 20.17.10-034-05766801-2021 |
Property
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Property |
Value |
Test method |
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1. Mooney Viscosity ML 1+8 (125°C), MU, within |
46-56 |
para. 4.2 TU or ASTM D 1646 |
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2. Viscosity spread in a lot Mooney, MU, max |
6 |
para. 4.2 TU |
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3. Unsaturation, mol %, within |
1.4-1.8 |
para 4.3 TU |
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4. Loss on drying, wt %, max |
0.30 |
para. 4.4 TU or ASTM D 5668 |
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5. Ash, wt %, max |
0.30 |
para. 4.5 TU or ASTM D 5667 |
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6. Iron, wt %, max |
0.010 |
para. 4.6 TU |
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7. Adhesion reducing agent, wt %, max |
1.1 |
para 4.6 TU |
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8. Non-staining antioxidant , wt %, within |
0.05-0.20 |
para. 4.8, 4.9, 4.10, 4.11 TU |
|
9. Impurities |
No |
para. 4.12 TU |
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10. Curing characteristics, within: |
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- minimum torque МL, dNm |
2.4-4.4 |
para. 4.13 TU |
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- maximum torque, МH, dNm |
16.0-20.0 |
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- time to cure start, tS1, minutes |
1.1-3.1 |
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- time to 50% cure, t,(50) minutes |
4.0-8.0 |
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- time to 90% cure, t,(90) minutes |
22.0-26.0 |
Property form
Product form: 30±1 kg bales
Package: Bales are wrapped in PE film or EVA film.
Shipping Product is stored and shipped in polymer pallet boxes or metal containers such as MB-5 (or its
package: analogs). Before loading pallet box or containers internal surface is covered with PE bag
(liner) to protect from contamination; after loading the box is closed and wrapped with belt. Two shipping labels are applied to each pallet box or containers.
Transportation: Rail way shipment by less than-carload-freight or single wagon load or group load. Truck shipment in covered vehicles in accordance with the applicable transportation rules.
Storage: Rubber packed in:
- polymer containers are stored in stacks of no more than 3 deck in height;
- metal containers are stored in stacks up to 5 deck in height;
Packaged rubber is stored in the warehouse of the manufacturer or consumer in places protected from direct sunlight, atmospheric precipitation and pollution.
Guarantee shelf life - 1 year from the date of production.
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