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Quality Chemicals for the Rubber industry




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Synthetic Rubber / SKI - 3 S

Characteristics

SKI-3 S is synthetic isoprene rubber used for the production of rubber goods.  It is the nearest substitute for a natural rubber and can be sued alone or in combination with other rubbers. SKI-3 S is produced by solution polymerization of isoprene with titanium as a catalyst. The rubber is stabilized by a non-staining BHT antioxidant that is approved for medical purposes and alimentary product use. Can be used alone or mixed with natural and synthetic rubbers. Can be used in the production of various technical, coloured rubber and medical articles. Specific uses include transparent medical tubes for blood transfusion, pharmaceutical stoppers, gaskets, hoses, white coloured shoe soles, transportation belts and tire layers.

PARAMETER

UNIT

GROUP 1

GROUP 2

Mooney viscosity

ML 1+4 (100°C)

75-85

65-74

Viscosity scattering in one lot 

 

8

8

Plasticity

 

0.30-0.35

0.36-0.41

Plasticity scattering in one lot 

 

0.05

0.05

Elastic recovery after determination on plasticity

mm, max

1.8

1.7

Tensile strength

        at 230C

        at 100 0C

MPa (kgF/cm2), min

 

 

 

30.4 (310)

21.6 (220)

 

30.4 (310)

21.6 (220)

Ultimate elongation

% min

800

800

Ash mass content

% max

0.35

0.35

Metal Mass content

      Dusantox L

      Flexzone 11L

 

% min

 

 

 

0.2

0.2

 

0.2

0.2