Elantas (Altana) Conathane UC-40 Datasheet Elantas (Altana) Conathane UC-40

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  • Description for Elantas (Altana) Conathane UC-40

    An unfilled, two-component, room temperature curing, 100%-solids urethane casting system, excellent handling properties, high impact resistance, excellent machinability.

    *See Terms of Use Below

    Brand Conathane, Cytec
    Application Type Bond, Casting
    1 Part or 2 Part 2-Part
    Material Form Liquid
    Manufacturer Elantas (Altana)
    Chemistry Urethane resin
    Cure Method 2-Part Cure, Elevated temperature curing, Room temperature curing
    Demolding Time (min) 360, 120
    Cure Temperature (°C) 25, 80, 20 to 25 Room temperature
    Cure Time (min) 10,080, 960
    Viscosity (cPs) Low, 500
    Color Natural White, Opaque White
    High Temperature Resistance (°C) <60
    Heat Deflection (°C) 56, 97
    Volume Resistivity (O) 5.2e15 (ohm-cm)
    Durability Tough
  • Technical Data for Elantas (Altana) Conathane UC-40

    • Application Type
    • 1 Part or 2 Part
      • 2-Part
    • Material Form
      • Liquid
    • Industry
      • Industrial
      • Other - Used in prototyping work requiring a “thermoplastic” feel and appearance
    • Chemistry
    • Application Method
      • Other - Hand-mix Bench Potting / Casting, Meter-mix Bench Potting / Casting, Meter-mix Vacuum Potting / Casting
    • Cure Method
      • Room Temperature / Air Dry - Room temperature curing
      • Heat - Elevated temperature curing
      • 2-Part Cure
    • Color
      • White - Natural White, Opaque White
    • Brand
      • Conathane
      • Cytec
    Cure Specs
    Demolding Time (min) 360, 120
    Cure Temperature (°C) 25, 80, 20 to 25 Room temperature
    Cure Time (min) 10,080, 960
    Viscosity (cPs) Low, 500 Test Method
    Fixture or Handling Strength Time (min) Excellent handling properties
    Linear Shrinkage (%) Low, <0.10, 0.30 Test Method
    Work / Pot Time (min) 12 Test Method
    Mix Ratio Convenient (2:1), 100:50 (by volume), 100:50 (by weight)
    Bond Strength
    Impact Strength (psi) 0.32 (ft-lb), 0.32 (ft-lb), 1.56 (in), 2.70 (in) Test Method
    Flexural Strength (psi) 8,650, 9,000 Test Method
    Tensile Strength (psi) 5,100, 7,000 Test Method
    Material Resistance
    Dimensional Stability (%) Dimensionally stable
    High Temperature Resistance (°C) <60
    Impact Resistance High
    Heat Deflection (°C) 56, 97 Test Method
    Unfilled Unfilled
    Dissipation Factor 0.01100 Test Method
    Dielectric Strength (V/mil) 630 Test Method
    Dielectric Constant 3.53 Test Method
    Volume Resistivity (O) 5.2e15 (ohm-cm) Test Method
    Durability Tough
    Shore A Hardness High Test Method
    Shore D Hardness 80, 80 Test Method
    Elongation (%) 6, 8 Test Method
    Modulus (psi) 232,100, 207,800 Test Method
    Other Properties
    Machinability Excellent
    Glass Transition Temp (Tg) (°C) 65, 97 Test Method
    Specific Gravity 1.100, 1.100 Test Method
    % Solids (%) 100
    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., Store at 20 - 30°C / 68 - 86°F in a dry controlled environment out of direct sunlight. This material should be suitable for use stored under these conditions in the original sealed containers for twelve (12) months from the date of shipment.
    Shelf Life Temperature (°F) 149 to 185, 68 to 86
    Shelf Life Type From date of manufacture, From the date of shipment
    Shelf Life (mon) 18, 12
  • Best Practices for Elantas (Altana) Conathane 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

      Mix individual components thoroughly before use.

      Mix the UC-40 Part A and UC-40 Part B in the ratio specified above until homogeneous. Components may be preheated up to 60°C if reduced viscosity is required. If hand mixing, degas at >27 in. Hg vacuum before use.

    3. Curing

      Cure 7 days at 25°C / 77°F – or – 16 hours at 80°C / 176°F

      Demold time of 6 hours at 25°C / 77°F – or – 2 hours at 80°C / 176°F

      The cure schedules are based on time after the unit reaches the specified temperature and are recommendations only. The user is responsible for determining the optimum cure conditions for their application.

    4. Clean-Up

      Equipment may be cleaned with Methyl Ethyl Ketone

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Linear Shrinkage Test Methods
Linear Shrinkage Test Method Temp
<0.10 % ASTM D2566, Cured 25°C
0.30 % ASTM D2566, Cured 80°C
Viscosity Test Methods
Viscosity Test Method Temperature
500 cPs Initial, Mixed Materials 25°C
Work / Pot Time Test Methods
Work / Pot Time Test Method Temperature
12 min 200 g, Mixed Materials 25°C
Flexural Strength Test Methods
Flexural Strength Cure Time Cure Temperature Test Method
8,650 psi 10,080 min 25°C ASTM D790, Cured
9,000 psi 960 min 80°C ASTM D790, Cured
Impact Strength Test Methods
Impact Strength Cure Time Cure Temperature Test Method
0.32 (ft-lb) 10,080 min 25°C Notched, Cured, ASTM D256
0.32 (ft-lb) 960 min 80°C Notched, Cured, ASTM D256
1.56 (in) 10,080 min 25°C Unnotched, Cured, ASTM D256
2.70 (in) 960 min 80°C Unnotched, Cured, ASTM D256
Tensile Strength Test Methods
Tensile Strength Cure Time Cure Temperature Test Method
5,100 psi 10,080 min 25°C ASTM D412, Cured
7,000 psi 960 min 80°C ASTM D412, Cured
Heat Deflection Test Methods
Heat Deflection Test Method
56°C Heat Distortion Temperature, 66 psi, Cured @ 25°C, ASTM D638
97°C Heat Distortion Temperature, 66 psi, Cured @ 80°C, ASTM D638
Dielectric Constant Test Methods
Dielectric Constant Temperature Test Method
3.53 25°C 1 kHz @, ASTM D150
Dielectric Strength Test Methods
Dielectric Strength Temperature Test Method
630 V/mil 25°C 1/16” @, ASTM D149
Dissipation Factor Test Methods
Dissipation Factor Temperature Test Method
0.01100 25°C 1 kHz @, ASTM D150
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 % Cured @ 25°C, Ultimate, ASTM D638
8 % Cured @ 80°C, Ultimate, ASTM D638
Modulus Test Methods
Modulus Temperature Test Method
232,100 psi 25°C Cured @ 25°C, Flexural, ASTM D790
207,800 psi 25°C Cured @ 80°C, Flexural, ASTM D790
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method Hardness Temperature
Shore D Hardness Test Methods
Shore D Hardness Shore Hardness Test Method Hardness Temperature
80 Cured @ 25°C, ASTM D2240 25°C
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 25°C ASTM D792, Cured
1.100 80°C ASTM D792, Cured