JSC SKI-5D Synthetic rubber

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JSC SKI-5D Synthetic rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Description: SKI-5D cis-isoprene synthetic rubber is cis-1,4-polyisoprene obtained by polymerization of isoprene in solution using stereo specific catalyst based on neodymium compounds. The rubber is stabilized by staining antioxidant. Content of cis-1,4-units, min: 98 %. CAS: #9003-31-0.REACH registered; KKDIK, K-REACH, DUIN pre-registered. Application: for cables and electrically-insulating rubber technical goods manufacturing. Rubber should not contain any foreign impurities and must meet the following requirements Appearance: briquettes (bales) Color: from light-grey to bluish-green, black Information provided by JSC, Synthez-Kauchuk
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Physical Properties	Original Value	Comments

Specific Gravity	0.910 - 0.920 g/cc
Volatiles	<= 0.70 % @Time 3600 sec	ASTM D5668
Mooney Viscosity	<= 5.0	spread within a batch
	65 - 74 @Temperature 100 °C	ML 1+4; ASTM D 1646
Ash	<= 0.35 %	ASTM D 5667
Storage Temperature	<= 30.0 °C

Processing Properties	Original Value	Comments
Shelf Life	24.0 Month

Descriptive Properties
Content	>0.15%	S789 antioxidant (N-alkyl-N 1-phenyl-p-phenylenediamine)
	0.6-1.4%	Stearic acid
Rheometric Properties	1.1-2 dNm	ML, ASTM D 5289
	1.3-2.7 min	ts1, ASTM D 5289
	11-16 dNm	MH, ASTM D 5289
	3-4.5 min	t50, ASTM D 5289
	5.5-8 min	t90, ASTM D 5289

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