Wittenburg Cawiton SN970 SEBS

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Wittenburg Cawiton SN970 SEBS
Categories:	Polymer; Thermoplastic; Styrene-Butadiene
Material Notes:	Cawiton SN970 is a standard (universal) SEBS with a hardness of 70 Shore A. The mechanical properties of this material are relatively good. Information provided by Wittenburg Group
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Physical Properties	Metric	English	Comments

Density	1.17 g/cc	0.0423 lb/in³	ISO 2781
Melt Flow	10.3 g/10 min @Load 2.16 kg, Temperature 230 °C	10.3 g/10 min @Load 4.76 lb, Temperature 446 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	70	70	ISO 868
Tensile Strength	5.50 MPa	798 psi	Flow direction; ISO 37
	7.30 MPa	1060 psi	Cross Flow direction; ISO 37
Elongation at Break	480 %	480 %	Flow direction; ISO 37
	642 %	642 %	Cross Flow direction; ISO 37
100% Modulus	2.50 MPa	363 psi	Cross Flow direction; ISO 37
	3.00 MPa	435 psi	Flow direction; ISO 37
200% Modulus	2.90 MPa	421 psi	Cross Flow direction; ISO 37
	3.40 MPa	493 psi	Flow direction; ISO 37
300% Modulus	3.40 MPa	493 psi	Cross Flow direction; ISO 37
	3.80 MPa	551 psi	Flow direction; ISO 37
Tear Strength, Total	26.9 N	6.05 lb (f)	Cross Flow direction; ISO 34-2
	31.1 N	6.99 lb (f)	Flow direction; ISO 34-2
Compression Set	55 % @Temperature 70.0 °C, Time 79200 sec	55 % @Temperature 158 °F, Time 22.0 hour	ISO 815

Thermal Properties	Metric	English	Comments
Melting Point	166 °C	331 °F

Processing Properties	Metric	English	Comments
Processing Temperature	30.0 - 60.0 °C	86.0 - 140 °F	Hopper
Rear Barrel Temperature	180 - 220 °C	356 - 428 °F
Middle Barrel Temperature	190 - 230 °C	374 - 446 °F
Front Barrel Temperature	190 - 230 °C	374 - 446 °F
Nozzle Temperature	200 - 240 °C	392 - 464 °F
Melt Temperature	180 - 240 °C	356 - 464 °F

Descriptive Properties
Color	Opaque

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PWITTN015 / 281765

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