SKI-3 cis-isoprene synthetic rubber is cis-1,4-polyisoprene obtained by polymerization of isoprene in solution using stereospecific catalyst based on titanium. The rubber is stabilized by staining antioxidant.
Content of cis-1,4-units, min: 96 %.
CAS: # 9003-31-0
Application: for manufacture of automobile, bicycle and motorcycle tyres, industrial rubber goods. Rubber should not contain any foreign impurities and must meet the following requirements.
Appearance: briquettes (bales)
Weight: 30.0+/-1.0 kg
Colour: from brown to bluish-green, black
Specific gravity: 0.91-0.92 g/cm3
* – specified in the certificate of quality.
** – non-rejectable.
Preparation of rubber mixes is carried out in accordance with ASTM D 3403-07, mixing – according to С method (on the roll mills). Roll mills are prepared according to ASTM D 3182-07. Vulcanization characteristics 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.
Rubber mix recipe and measurement conditions: