CHT KÖRAFORM K 40 / K 40 AZ Silicone Elastomer

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CHT KÖRAFORM K 40 / K 40 AZ Silicone Elastomer
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Description: Low viscosity, condensation crosslinking silicone casting compound Key Features For casting simple geometric parts and for detailed reproductions Low viscosity Convincing by its excellent reproducibility and draft accuracy of the cast Medium hardness (shore A) Application: keywords Cured Product: Standard climate DIN 50 014 - 23/50-2. Vulcanizate tested after 7 days at room temperature Information provided by CHT Group
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Physical Properties	Original Value	Comments

Density	1.04 g/cc	B; DIN 53 479
	1.16 g/cc	A; DIN 53 479
Brookfield Viscosity	20 cP	B
	5500 cP	A
	8000 cP	A
Linear Mold Shrinkage	0.0050 cm/cm
Storage Temperature	5.00 - 30.0 °C

Mechanical Properties	Original Value	Comments
Hardness, Shore A	40	DIN 53 505
Tensile Strength	348 psi	DIN 53 504, S 3 A
Elongation at Break	140 %	DIN 53 504, S 3 A
Tear Strength	17.0 pli	ASTM D 624, Die B

Processing Properties	Original Value	Comments
Cure Time	12.0 hour	De-mould Time / Full Cure
Pot Life	60.0 min
Shelf Life	9.00 Month

Descriptive Properties
Color	Colorless /yellowish	B
	White	Cured Product
	White	A
Cure type	Condensation
Mix Ratio	100:3	By Weight

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PCHTSIL143 / 314626

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