Elantas (Altana) UC-40

Elantas (Altana) UC-40 Datasheet
  • Description for Elantas (Altana) UC-40

    Liquid, two-component, unfilled urethane resin system that produces tough, high-impact resistant, dimensionally stable castings. It is used to produce prototype parts requiring a "thermoplastic" feel and appearance.

    *See Terms of Use Below

    Brand Cytec
    Application Type Bond
    1 Part or 2 Part 2 Part
    Material Form Liquid
    Manufacturer Elantas (Altana)
    Chemistry unfilled urethane resin
    Cure Method Part A/Part B
    Cure Temperature (°C) 25, 80
    Cure Time (min) 10,080, 960
    Viscosity (cPs) Low, 500
    Color Natural White
  • Technical Data for Elantas (Altana) UC-40

    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 2 Part
    • Material Form
      • Liquid
    • Industry
    • Chemistry
    • Cure Method
      • 2-Part Cure - Part A/Part B
    • Color
      • White - Natural White
    • Brand
      • Cytec
    Cure Specs
    Cure Temperature (°C) 25, 80
    Cure Time (min) 10,080, 960
    Viscosity (cPs) Low, 500 Test Method
    Linear Shrinkage (%) Low, Not measurable (in/in), 0.003 (in./in.) Test Method
    Work / Pot Time (min) 12 Test Method
    Mix Ratio Convienient (by volume), 100:50 (by volume), 100:50 (by weight)
    Bond Strength
    Impact Strength (psi) 0.32 / 1.56 (Ft.-lb/in.), 0.32 / 2.7 (Ft.-lb/in.) Test Method
    Flexural Strength (psi) 8,642, 8,982 Test Method
    Tensile Strength (psi) 5,100, 7,000 Test Method
    Material Resistance
    Impact Resistance High-impact resistant
    Unfilled Unfilled
    Dissipation Factor 0.01100 Test Method
    Dielectric Strength (V/mil) 634 (vpm) Test Method
    Dielectric Constant 3.53 Test Method
    Volume Resistivity (O) 5.2e15 (ohm-cm) Test Method
    Shore A Hardness High Test Method
    Shore D Hardness 80 Test Method
    Elongation (%) 6, 8 Test Method
    Modulus (psi) 232,080, 207,806 Test Method
    Other Properties
    Glass Transition Temp (Tg) (°C) 65, 97 Test Method
    Specific Gravity 1.100 Test Method
    Business Information
    Shelf Life Details Both the Part A and Part B components are of CONATHANE® UC-40 moisture sensitive. Avoid the use of paper cups and wooden sticks. Unless the contents are used within one day, we recommend flushing with dry nitrogen or CONAP® Dri-Purge each time the containers are closed.;Part A and Part B have a shelf life of 18 months from date of manufacture when stored in their original, unopened containers at 65º-85ºF.
    Shelf Life Temperature (°F) 149 to 185
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 18
  • Best Practices for Elantas (Altana) UC-40

    *See Terms of Use Below

    1. Application

      When casting, pour in a steady stream in one spot at a rate that avoids overlapping or enfolding air. To improve flowability, preheat parts to be cast to 50-60ºC (120-140ºF). CAUTION: Work life of material will decrease.

      Some urethane prepolymers or hardeners may freeze or crystallize below 18ºC(65ºf). They may be re-liquefied by heating to 50-60ºC (120-140ºF). Avoid prolonged preheating. After heating, blend thoroughly.

      If parts are to be demolded, a quality mold release, such as CONAP® MR-5002 or MR-5012 should be applied prior to pouring.

      CONATHANE® UC-40 has very good adhesion to most substrates and generally will not require the use of a primer. If adhesion improvement is necessary, contact Cytec for specific recommendations. If the cast part is to be demolded after cure, apply a CONAP® mold release agent prior to casting. Castings can generally be demolded in 6 hours at room temperature.

    2. Mixing

      Maintain mixing ratio accuracy between Part A and Part B to within ±2% using a double-pan or triple-beam balance. Avoid spring-loaded scales.

      Containers used for weighing or mixing should be metal, glass, or plastic. Mixing rods should also be plastic or glass. Avoid paper containers and wooden sticks!

      Use a separate container for mixing, with enough space to allow for expansion during degassing (usually 2 to 3 times the volume of material being mixed), if void-free castings are desired. In many applications, the degassing step may be eliminated.

      Weigh the correct proportions of the two components together, MIX THOROUGHLY, and degas at 28-29 inches of mercury to remove entrapped air caused by mixing.

    3. Clean-Up

      Equipment may be cleaned with Methyl Ethyl Ketone

  • Comparable Materials for Elantas (Altana) UC-40

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Linear Shrinkage Test Methods
Linear Shrinkage Test Method Temp
Not measurable (in/in) Cytec, Cured @ RT 25°C
0.003 (in./in.) Cytec, Cured 16 hours @ 80 [C] 80°C
Viscosity Test Methods
Viscosity Temperature
500 cPs 25°C
Work / Pot Time Test Methods
Work / Pot Time Test Method Temperature
12 min (200 grams) 25°C
Flexural Strength Test Methods
Flexural Strength Cure Time Cure Temperature Test Method
8,642 psi 25°C ASTM D790
8,982 psi 960 min 80°C ASTM D790
Impact Strength Test Methods
Impact Strength Cure Temperature Test Method
0.32 / 1.56 (Ft.-lb/in.) 25°C ASTM D256, Izod, Notched / Unnotched
0.32 / 2.7 (Ft.-lb/in.) 80°C ASTM D256, Izod, Notched / Unnotched
Tensile Strength Test Methods
Tensile Strength Cure Time Cure Temperature Test Method
5,100 psi 25°C ASTM D638
7,000 psi 960 min 80°C ASTM D638
Dielectric Constant Test Methods
Dielectric Constant Temperature Test Method
3.53 25°C ASTM D150, Dielectric Constant @ 25ºC @ 1 KHz
Dielectric Strength Test Methods
Dielectric Strength Test Method
634 (vpm) ASTM D149, (1/16" thick)
Dissipation Factor Test Methods
Dissipation Factor Temperature Test Method
0.01100 25°C ASTM D150, Dissipation Factor @ 25°C @ 1 KHz
Volume Resistivity Test Methods
Volume Resistivity Temp (°C) Test Method
5.2e15 (ohm-cm) 25°C ASTM D257
Elongation Test Methods
Elongation Test Method
6 % ASTM D638,(Cured @ Room Temperature)
8 % ASTM D638, (Cured 1 hour @ RT + 16 Hrs. @ 80ºC)
Modulus Test Methods
Modulus Temperature Test Method
232,080 psi 25°C (Cured @ Room Temperature), ASTM D790
207,806 psi 80°C (Cured 16 hours @ 80°C), ASTM D790
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method
Shore D Hardness Test Methods
Shore D Hardness Shore Hardness Test Method
Glass Transition Temp (Tg) Test Methods
Glass Transition Temp (Tg) Glass Transition Temperature (Tg) Test Method
65°C Cured @ Room Temperature
97°C Cured 16 hours @ 80°C
Specific Gravity Test Methods
Specific Gravity Temperature Test Method
1.100 ASTM D792