BJB Enterprises F-190 REV 1 A/B Polyurethane Elastomer

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BJB Enterprises F-190 REV 1 A/B Polyurethane Elastomer
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced
Material Notes:	The F-1 Series addresses the need for shorter processing times and higher part production. These 5-95 Shore A products exhibit excellent physical properties and easily process at room temperature. The easy mix ratio is convenient and cartridge dispense friendly. Features: RoHS/REACH Compliant, Popular for Parts & Molds, High Tensile & Tear Strength, Special Effects & Props, Over Molding, Easy to Pigment.
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Physical Properties	Original Value	Comments

Specific Gravity	1.067 g/cc @Temperature 25.0 °C	Part A
	1.081 g/cc @Temperature 25.0 °C	Part B
Density	1.094 g/cc	ASTM D792-00
Brookfield Viscosity	1035 cP @Temperature 25.0 °C	Part B
	3450 cP @Temperature 25.0 °C	Mixed Part A & Part B
	4450 cP @Temperature 25.0 °C	Part A
Linear Mold Shrinkage	<= 0.0010 in/in	1" depth.; ASTM D2566
Storage Temperature	65.0 - 80.0 °F

Mechanical Properties	Original Value	Comments
Hardness, Shore A	85 - 95	ASTM D2240-04e1
Tensile Strength	4020 psi	ASTM D412-98a(2002)e1
Elongation at Break	670 %	ASTM D412-98a(2002)e1
Tensile Modulus	1800 psi	ASTM D412-98a(2002)e1
Tear Strength	405 pli	ASTM D624-00e1

Electrical Properties	Original Value	Comments
Dielectric Constant	4.918 @Frequency 1e+6 Hz	ASTM D150-87
Dissipation Factor	0.0479 @Frequency 1e+6 Hz	ASTM D150-87

Processing Properties	Original Value	Comments
Processing Temperature	<= 200 °F	Max cure temp.
Cure Time	1.00 - 3.00 hour @Temperature 25.0 °C	Step 1 recommended high temp cure (as tested).
	16.0 hour @Temperature 71.1 °C	Step 2 recommended high temp cure (as tested).
	120 - 168 hour @Temperature 25.0 °C	Optional low temp cure
Working Life	9.00 - 10.0 min @Temperature 25.0 °C	100 g.
Gel Time	13.0 - 14.0 min
Shelf Life	6.00 Month	Stored at recommended temperatures. Purge opened containers with dry nitrogen before resealing.

Descriptive Properties
Color / Appearance	Amber	Part B
	Pale Yellow	Part A
	Translucent Amber	Cured
Demold Time (hrs)	2 - 3	@ 77°F
Mix Ratio by volume	100 to 49	Part A to Part B. (cartridge dispense friendly)
Mix Ratio by weight	100 to 50	Part A to Part B

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PBJB9920 / 287700

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