JSC SKS-30 ARKM-27 / SBR-1753 Styrene-butadiene rubber

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JSC SKS-30 ARKM-27 / SBR-1753 Styrene-butadiene rubber
Categories:	Polymer; Thermoplastic; Styrene-Butadiene
Material Notes:	Description: Styrene-butadiene rubber SKS-30 ARKM-27 (SBR-1753) is a styrene and butadiene copolymer obtained by emulsification method with the use of mixture of rosin and fatty acids soaps. The rubber is filled with naphthenic oil Nytex 4700 and stabilized by staining antioxidant. REACH: registered Application: widely used in tire and industrial rubber industries. Appearance: briquettes (bales) Color: from dark-brown to black Information provided by JSC, Synthez-Kauchuk
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Physical Properties	Metric	English	Comments

Volatiles	<= 0.60 % @Time 3600 sec	<= 0.60 % @Time 1.00 hour	ASTM D5668 (method C)
Mooney Viscosity	<= 8.0	<= 8.0	spread within a batch
	46 - 58 @Temperature 100 °C	46 - 58 @Temperature 212 °F	ML 1+4; ASTM D1646 (para. 7.2.2)
Ash	<= 0.60 %	<= 0.60 %	ASTM D 5667 (part A)
Storage Temperature	<= 30.0 °C	<= 86.0 °F

Chemical Properties	Metric	English	Comments
Styrene Content	22 - 25 %	22 - 25 %	Bound; ASTM D5775

Mechanical Properties	Metric	English	Comments
Tensile Strength	>= 18.0 MPa	>= 2610 psi	ASTM D 412 method A
Tensile Stress	>= 9.80 MPa @Strain 300 %	>= 1420 psi @Strain 300 %	ASTM D 412 method A
Elongation at Break	>= 380 %	>= 380 %	ASTM D 412 method A

Processing Properties	Metric	English	Comments
Shelf Life	12.0 Month	12.0 Month

Descriptive Properties
Content	<0.3%		Organic acids soaps, ASTM D5774
	0.3-0.8%		Antioxidant VS-1 (CAS # 9003-36-5)
	25-30%		Oil (TDAE)
	29-37%		Solvent extract, ASTM D5774
	4-5.8%		Organic acids, ASTM D5774
Rheometric Properties	1.4-3 dNm		ML, ASTM D 5289
	12-18.5 dNm		MH, ASTM D 5289
	12-18.5 min		t90, ASTM D 5289
	3.2-6.5 min		ts1, ASTM D 5289
	6.5-10.5 min		t50, ASTM D 5289

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PJSC013 / 317833

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