JSC SKS-30 ARKM-15 / SBR-1705 Styrene-butadiene rubber

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JSC SKS-30 ARKM-15 / SBR-1705 Styrene-butadiene rubber
Categories:	Polymer; Thermoplastic; Styrene-Butadiene
Material Notes:	Description: Styrene-butadiene rubber SKS-30 ARKM-15 (SBR-1705) is a styrene and butadiene copolymer obtained by cold polymerization with the use of mixture of rosin and fatty acids soaps. The rubber is filled with DAE-type extender oil for synthetic rubbers. REACH: registered Application: SKS-30 ARKM-15 (SBR-1705) is a general-purpose rubber, widely used in industrial rubber and cable industries. Appearance: briquettes (bales) Color: from light-brown to dark-brown 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	<= 6.0	<= 6.0	spread within a batch
	45 - 54 @Temperature 100 °C	45 - 54 @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	>= 21.6 MPa	>= 3130 psi	ASTM D 412 method A
Tensile Stress	>= 10.8 MPa @Strain 300 %	>= 1570 psi @Strain 300 %	ASTM D 412 method A
Elongation at Break	>= 400 %	>= 400 %	ASTM D 412 method A

Processing Properties	Metric	English	Comments
Shelf Life	12.0 Month	12.0 Month

Descriptive Properties
Content	<0.25%		Organic acids soaps, ASTM D5774
	0.15-0.35%		Antioxidant VS-1 (CAS # 9003-36-5)
	14-17%		Oil (DAE), ASTM D 5774
	19-25%		Solvent extract, ASTM D5774
	4.8-6.4%		Organic acids, ASTM D5774
Rheometric Properties	1.4-3.4 dNm		ML, ASTM D 5289
	12-20 min		t90, ASTM D 5289
	13-20 dNm		MH, ASTM D 5289
	2.5-6 min		ts1, ASTM D 5289
	6.5-11.5 min		t50, ASTM D 5289

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PJSC010 / 317830

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