Elantas (Altana) UC-23 Datasheet Elantas (Altana) UC-23

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  • Description for Elantas (Altana) UC-23

    A two-component modified urethane system that produces a tough, highly impact resistant elastoplastic. This liquid urethane casting system has excellent handling characteristics and will cure at room or elevated temperatures.

    *See Terms of Use Below

    Brand Cytec
    Application Type Casting/Molding
    1 Part or 2 Part 2-Part
    Material Form Liquid
    Manufacturer Elantas (Altana)
    Chemistry Epoxy, urethane
    Cure Method Resin/Hardener
    Cure Temperature (°C) 25, 60
    Viscosity (cPs) Low, 3,500
    Color Light Amber
    Volume Resistivity (O) 4e13 (ohm-cm)
    Density (g/cm³) 0.03262 (lbs./cu.in.)
  • Technical Data for Elantas (Altana) UC-23

    • Application Type
    • 1 Part or 2 Part
      • 2-Part
    • Material Form
      • Liquid
    • Industry
      • Industrial
      • Other - Typical applications include making fixtures, patterns, structural parts, metal stamping pads
    • Chemistry
    • Cure Method
      • 2-Part Cure - Resin/Hardener
    • Color
      • Red - Light Amber
    • Brand
      • Cytec
    Cure Specs
    Cure Temperature (°C) 25, 60
    Viscosity (cPs) Low, 3,500 Test Method
    Fixture or Handling Strength Time (min) Excellent
    Linear Shrinkage (%) 0.0006 (in/in) Test Method
    Mix Ratio 100:25 (by volume), 100:20 (by weight)
    Bond Strength
    Impact Strength (psi) 0.57 (Ft.-Pounds/Inch), 1.04 (Ft.-Pounds/Inch), 0.71 (Ft.-Pounds/Inch), 1.07 (Ft.-Pounds/Inch) Test Method
    Flexural Strength (psi) 8,460
    Tear Strength (piw) 350 (pli) Test Method
    Tensile Strength (psi) High, 5,300 Test Method
    Material Resistance
    Abrasion Resistance good abrasion resistance
    Impact Resistance impact resistant elastoplastic
    Dissipation Factor 0.02400 Test Method
    Dielectric Strength (V/mil) 480 (vpm) Test Method
    Dielectric Constant 4.80 Test Method
    Volume Resistivity (O) 4e13 (ohm-cm) Test Method
    Shore D Hardness 75 to 85 Test Method
    Elongation (%) 20 Test Method
    Modulus (psi) 241,350
    Other Properties
    Specific Gravity 1.040 Test Method
    % Solids (%) 100
    Density (g/cm³) 0.03262 (lbs./cu.in.) Test Method
    Business Information
    Shelf Life Details Storage and Handling: CONAP® UC-23, Parts A and B, have a shelf life of 18-months from date of manufacture when stored in their original unopened containers. While UC-23 is not moisture sensitive and does not require blanketing with nitrogen (see CONAP® Dri-Purge), it is suggested that opened containers be closed when not in use.
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 18
  • Best Practices for Elantas (Altana) UC-23

    *See Terms of Use Below

    1. Application

      UC-23 has very good adhesion to most substrates and generally will not require the use of a primer. If adhesion improvement is necessary, contact Cytec Industries Inc. for specific recommendations. If the cast part is to be demolded after cure, apply Cytec mold release agents prior to casting. Castings can generally be demolded in 2-4 hours at room temperature.

    2. Mixing

      Thoroughly mix the two components together at the recommended ratio at 25°C stirring carefully to prevent entrapment of air.

    3. Deairing/Degassing

      If this is done carefully, degassing of the mixed material may not be necessary. If air entrapment is excessive, degas the mixture for 3-5 minutes at 1-5 mm of vacuum.

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Linear Shrinkage Test Methods
Linear Shrinkage Test Method
0.0006 (in/in) Cytec
Set Time Test Methods
Set Time Set Temperature Test Method
Viscosity Test Methods
Viscosity Temperature
3,500 cPs 25°C
Work / Pot Time Test Methods
Work / Pot Time Test Method Temperature
Impact Strength Test Methods
Impact Strength Cure Temperature Test Method
0.57 (Ft.-Pounds/Inch) 25°C ASTM D256, Izod, Cured at Room Temperature, Notched
1.04 (Ft.-Pounds/Inch) 25°C ASTM D256, Izod, Cured at Room Temperature, Unnotched
0.71 (Ft.-Pounds/Inch) 60°C ASTM D256, Izod, Cured at 60°C, Notched
1.07 (Ft.-Pounds/Inch) 60°C ASTM D256, Izod, Cured at 60°C, Unnotched
Tear Strength Test Methods
Tear Strength Test Method
350 (pli) ASTM D624
Tensile Strength Test Methods
Tensile Strength Test Method
5,300 psi ASTM D412
Dielectric Constant Test Methods
Dielectric Constant Temperature Test Method
4.80 25°C ASTM D150, 1 KHz
Dielectric Strength Test Methods
Dielectric Strength Test Method
480 (vpm) ASTM D149, (1/16" Thick)
Dissipation Factor Test Methods
Dissipation Factor Temperature Test Method
0.02400 25°C ASTM D150, 1 KHz
Volume Resistivity Test Methods
Volume Resistivity Temp (°C) Test Method
4e13 (ohm-cm) 25°C ASTM D257
Elongation Test Methods
Elongation Test Method
20 % ASTM D412
Shore D Hardness Test Methods
Shore D Hardness Shore Hardness Test Method
75 to 85 ASTM D2240
Density Test Methods
Density Test Method
0.03262 (lbs./cu.in.) ASTM D792
Specific Gravity Test Methods
Specific Gravity Temperature Test Method
1.040 25°C ASTM D792