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Master Bond adhesives

Polytek Poly-Optic® 1412 Low Viscosity, Polyurethane Casting Resins
Categories: Polymer; Thermoplastic; Polyurethane, TP

Material Notes: Description: Poly-Optic® 14-Series Casting Resins are two-part, polyurethane systems formulated specifically for applications where optical clarity is required. Castings are clear like water; however, PolyColor dyes can be added to obtain clear, colored castings. Poly-Optic systems, with low viscosities and long pot-lives, provide for easy mixing, excellent detail penetration, and easy degassing, through vacuum or pressure casting techniques, for bubble-free castings.

Product Line Features:

  • Crystal clear
  • Reproduces fine detail
  • Can be machined, drilled and sanded
  • Tough and hard, but not brittle
  • Long working time
  • Low shrinkage upon cure

Information provided by Polytek

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.07 g/cc1.07 g/cc
Viscosity 750 cP750 cPInitial Mixed
Linear Mold Shrinkage 0.0019 cm/cm0.0019 in/in
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 8080
Tensile Strength 67.74 MPa9825 psi
Elongation at Break 11.1 %11.1 %
Modulus of Elasticity 1.240 GPa179.8 ksi
Flexural Strength 84.537 MPa
@Strain 5.0 %
12261 psi
@Strain 5.0 %
Flexural Modulus 2.03465 GPa295.101 ksi
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 1.8 MPa (264 psi) 108 °C227 °F
 
Processing PropertiesMetricEnglishComments
Cure Time 30.0 min
@Temperature 79.4 °C
0.500 hour
@Temperature 175 °F
Demold Time
Pot Life 8.00 min8.00 min
 
Descriptive Properties
Cured ColorWater Clear
Maximum Exotherm235°F
Mix Ratio By Weight1A:1B
Specific Volume25.8 in3/lb

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PPTK5079 / 251071

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