Elastocon TPE Technologies Elastocon® STK40B Thermoplastic Elastomer

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Elastocon TPE Technologies Elastocon® STK40B Thermoplastic Elastomer (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE
Material Notes:	Elastocon® STK40B is a black thermoplastic elastomer that has been developed for applications that require ultra soft rubber-like properties and a good surface finish. Elastocon® STK40B is well suited for consumer goods and industrial applications requiring non-slip/soft dry-touch ergonomics, sound and vibration dampening, improved impact resistance, and U.V. stability. Elastocon® STK40B can be overmolded to PC, ABS, PC/ABS, Acrylic, HIPS, copolyester, various grades of polyamide, and more. Information provided by Elastocon TPE Technologies, Inc. Elastocon® TPE Technologies has been acquired by Aurora Plastics.
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Physical Properties	Original Value	Comments

Specific Gravity	1.13 g/cc	ASTM D792
Linear Mold Shrinkage, Flow	0.015 - 0.025 in/in	ASTM D955

Mechanical Properties	Original Value	Comments
Hardness, Shore A	40	ASTM D2240
Tensile Strength	2.96 MPa	ASTM D412
Elongation at Break	338 %	ASTM D412
100% Modulus	0.00138 GPa @Strain 100 %	ASTM D412

Processing Properties	Original Value	Comments
Rear Barrel Temperature	410 - 420 °F
Front Barrel Temperature	420 - 510 °F
Nozzle Temperature	440 - 530 °F
Mold Temperature	80.0 - 120 °F
Injection Velocity	1.00 - 5.00 in/sec
Back Pressure	75.0 - 175 psi

**
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PELASC309 / 142485

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