RPM - Rimpex Rubber - Synthetic Isoprene Rubber SKI-3

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Synthetic Isoprene Rubber SKI-3

Rubber SKI-3 can be used independently or in combination with the other rubbers for manufacture of auto-tyres, all kind of rubber-technical articles, including those for food and medical industry, rubber footwear, sports goods, bonding compounds and water repellent composition.

MAIN QUALITY CHARACTERISTICS

	Group 1	Group 2
Mooney viscosity MB, 1+ 4 (100 °C)	75-85	65-74
Viscosity spread within a batch, max.	8	8
Plasticity	0.30 - 0.35	0.36 - 0.41
Plasticity spread within a batch, max.	0.05	0.05
Elastic recovery after determination of plasticity, mm, max.	1.8	1.7
Ultimate elongation, %, min.	800	800
Ultimate tensile strength, MPa (kgF/cm²) min.
- at 23 °C	30.4(310)	30.4(310)
- at 100 °C	21.6(220)	21.6(220)
Ash content, %, max.	0.5	0.5
Metals content, %, max.
- copper	0.0001	0.0001
- iron	0.004	0.004
- titanium	0.06	0.06
Loss of mass at drying, %, max.	0.6	0.6
Stearic acid content, %, max.	0.6- 1.4	0.6- 1.4
Antioxidant content, %
in case of DFFD, min.	0.15	0.15
in case of VTC-60	0.40 - 0.70	0.40 - 0.70
in case of C-789	0.20 - 0.40	0.20 - 0.40


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