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Ensinger PEI

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Polytek Poly-Optic® 1490 Rigid Clear Polyurethane
Categories: Polymer; Thermoset; Polyurethane, TS
Material Notes: A versatile, clear polyurethane. A matte finish will give a frosted appearance, and a higher gloss will increase its transparency.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Specific Gravity 1.07 g/cc
Brookfield Viscosity 690 cPMixed
Linear Mold Shrinkage 0.0070 in/in
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 80
Tensile Strength 6605 psi
 8744 psiPost cured for 16 hours at 160°F
Elongation at Break 7.7 %
 12.1 %Post cured for 16 hours at 160°F
Modulus of Elasticity 128.8 ksiPost cured for 16 hours at 160°F
 96260 ksi
Flexural Strength 10850 psi
 10780 psi
@Strain 5.0 %		Post cured for 16 hours at 160°F
Flexural Modulus 282600 psiPost cured for 16 hours at 160°F
 324000 psi
 
Thermal PropertiesOriginal ValueComments
Deflection Temperature at 0.46 MPa (66 psi) 165 °F
 207 °FPost cured for 16 hours at 160°F
 
Processing PropertiesOriginal ValueComments
Cure Time 7.00 hour
Pot Life 9.00 min
 
Descriptive Properties
Color / AppearanceWater clearPart A
 Water clear / slight yellowPart B
Demold Time (hrs)1
Max Exotherm (°F)2351-lb mass
Mix Ratio by volume1 to 1Part A to Part B
Mix Ratio by weight100 to 90Part A to Part B

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PPOLYT9913 / 287693

Proto3000 – 3D Engineering Solutions




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