Multibase TPSiV® 1180-50D Thermoplastic Silicone Vulcanizate

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Multibase TPSiV® 1180-50D Thermoplastic Silicone Vulcanizate (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Vulcanizate Elastomer (TPV); Nylon (Polyamide PA); Silicone, Thermoplastic
Material Notes:	TPV product based on cross-linked silicone rubber dispersed into various engineering thermoplastics. The dispersion of the silicone internal phase is produced by dynamic “vulcanization” or cross-linking of silicone polymers within the thermoplastic organic phase and results in a stable droplet type morphology as shown in the TEM micrograph. TPSiV™ combines the elastomeric performance of silicone rubber with the melt re-processability and thermal and chemical resistance of engineering thermoplastics. Nylon based TPSiV™ (1180-50D) has found use as the jacketing material in automotive brake cables due to its excellent temperature and chemical resistance. Information provided by Multibase. Multibase is now a DuPont brand; this grade was discontinued prior to DuPont's acquisition.
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Physical Properties	Original Value	Comments

Specific Gravity	1.09 g/cc	ASTM D792

Mechanical Properties	Original Value	Comments
Hardness, Shore D	52	10 sec; ASTM D2240
Tensile Strength at Break	3480 psi	ASTM D412
Elongation at Break	200 %	ASTM D412
Tear Strength	24.5 kN/m	ASTM D412

Electrical Properties	Original Value	Comments
Dielectric Constant	4.04	ASTM D150
Dielectric Strength	569 V/mil	ASTM D149
	569 V/mil @Frequency 100 Hz	ASTM D149

Thermal Properties	Original Value	Comments
Flammability, UL94	HB

Processing Properties	Original Value	Comments
Rear Barrel Temperature	446 °F
Middle Barrel Temperature	464 °F
Front Barrel Temperature	482 °F
Nozzle Temperature	500 °F
Zone 1	410 °F
Zone 2	428 °F
Zone 3	428 °F
Zone 4	428 °F
Zone 5	428 °F
Die Temperature	446 °F
Melt Temperature	455 °F
Mold Temperature	50.0 - 86.0 °F
Drying Temperature	176 °F
Dry Time	2 - 4 hour

Descriptive Properties
Injection Rate	Fast

**
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PMULTI301 / 93491

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