Knowde Enhanced TDS
Identification & Functionality
- Additives Included
- Polymer Name
- Technologies
- Product Families
Features & Benefits
- Materials Features
Applications & Uses
- Applications
- Plastics & Elastomers End Uses
- Applications
SKS-1739 (SBR-1739) is a special-purpose rubber, used in production of high speed automobile tires and heat-resistant conveyor belts.
Properties
- Color
- Appearance
- Briquettes (Bales)
- Typical Properties
| Value | Units | Test Method / Conditions | |
| ML | 2.1+/-1.0 | dNm | ASTM D 5289 |
| t'50 | 7.7+/-1.5 | min | ASTM D 5289 |
| t'90 | 14.6+/-2.0 | min | ASTM D 5289 |
| ts1 | 3.9+/-1.0 | — | ASTM D 5289 |
| МН | 15.8+/-2.5 | dNm | ASTM D 5289 |
| Antioxidant Content (Agidol-2) | 0.6-1.2 | % | Method of Supplier |
| Antioxidant Content (VS-1) | 0.3-0.7 | % | Method of Supplier |
| Ash Content | max. 0.6 | % | ASTM D 5667 (Part А) |
| Bound Styrene Content | 38.5-41.5 | % | ASTM D 5775 |
| Mooney Viscosity ML 1+4 (100°C) | 50-60 | — | ASTM D 1646 (Para. 7.2.2) |
| Oil (TDAE) Content | 25-29 | % | ASTM D 5774 |
| Organic Acids Content | 4.0-6.0 | % | ASTM D 5774 |
| Organic Acids Soaps Content | max. 0.4 | % | ASTM D 5774 |
| Viscosity Spread within a Batch | max. 6 | units | — |
| Volatile matter Content | max. 0.75 | % | ASTM D 5668 (Method С) |
| Weight | 30.0+/-1.0 | kg | — |
Regulatory & Compliance
- Certifications & Compliance
Technical Details & Test Data
- Rubber Mix Recipe and Measurement Conditions
Preparation of rubber mixes is carried out in accordance with ASTMD 3185 recipe 1А, mixing - according to method A. Mixing mills are prepared according to ASTM D 3182. Rheometric properties are determined according to ASTM D 5289 using an MDR 2000 rheometer (flow meter). Wait time for rubber mix before testing is 2-6 hours.
Parameters Standard Rubber mix recipe in parts by weight acc. to ASTM D 3185, recipe 1А: - Rubber 100 - Zinc oxide 3 - IRB 7 (N330) carbon black 50.00 - Sulfur 1.75 - Stearic acid 1 - TBBS (N-tert-Butyl-2- benzothiazolesulfenamide) 1.00 Rheometer MDR 2000, measurement conditions: - Temperature, оС 160 - Duration, min 30 - Oscillation amplitude, deg. +/-0.5 - Oscillation frequency, Hz 1.7
Packaging & Availability
- Packaging Type
- Packing
Rubber briquettes (bales) are packaged in marked PE film (thickness of 0.05 +/- 0.01 mm, melting temperature of 108-112оС), then – in plastic box pallets of 450kg or in plywood containers of 1,080kg, or metal containers of 1,260kg.
- Transportation
Rubber is transported by all types of transport in covered transporting means in accordance to all rules of cargo’s transportation standing at transport of this form.
Storage & Handling
- Storage
At a temperature not exceeding 30оС, in dry place free from direct sunlight
- Guaranteed Shelf Life
1 (one) year from the manufacture date. After the expiration of the guaranteed shelf life, the rubber can be used for its intended purpose after confirmation of its conformity to the requirements of this product specification.