Elantas (Altana) TU-981

Elantas (Altana) TU-981 Datasheet
  • Description for Elantas (Altana) TU-981

    A two-component liquid casting system, High hardness polyurethane with exceptional elastomer properties, flexible elastomer, Low viscosity, Long pot life, Good green strength, high tensile and tear strength.

    *See Terms of Use Below

    Brand Cytec
    Application Type Adhesive, Casting, Gaskets
    1 Part or 2 Part 2 Part
    Material Form Liquid
    Industry Industrial wheels
    Manufacturer Elantas (Altana)
    Chemistry Epoxy
    Cure Method Part A/Part B
    Cure Temperature (°C) 25, 60, 60
    Cure Time (min) 420, 180, 960
    Viscosity (cPs) 2,000, Low
    Color Black, Dark brown, Translucent
    Chemical Resistance Good
    Relative Solvent Resistance Chemical Resistance: Good Solvent Resistance
    Other Resistance Excellent Resiliency
  • Technical Data for Elantas (Altana) TU-981

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 2 Part
    • Material Form
      • Liquid
    • Industry
      • Industrial - Flexible molds, Drop hammer faces, Washers, Bushings and diaphragms, Foundry patterns, Core box linings
      • Industrial Wheels
    • Chemistry
    • Application Method
      • Dispenser - automatic metering, mixing equipment, dispensing equipment
    • Cure Method
      • 2-Part Cure - Part A/Part B
    • Color
      • Translucent
      • Black
      • Brown - Dark brown
    • Brand
      • Cytec
    Specifications
    Cure Specs
    Cure Temperature (°C) 25, 60, 60
    Cure Time (min) 420, 180, 960
    Viscosity (cPs) 2,000, Low Test Method
    Linear Shrinkage (%) 0.0002 (in./in.), 0.0010 (in./in.) Test Method
    Work / Pot Time (min) 16 to 20, Long Test Method
    Mix Ratio 100:60 (by volume), 100:60 (by weight)
    Bond Strength
    Impact Strength (psi) 7.5 (ft. lb./in.), 12 Test Method
    Green Strength (psi) Good
    Flexural Strength (psi) 1,900 Test Method
    Tear Strength (piw) 600 (pli), 80 (pli), 600 (pli), High Test Method
    Tensile Strength (psi) 4,050, 4,500, High Test Method
    Material Resistance
    Abrasion Resistance Excellent
    Chemical Resistance Good
    Relative Solvent Resistance Chemical Resistance: Good Solvent Resistance
    Impact Resistance Extraordinary
    Other Resistance Excellent Resiliency
    Conductivity
    Dissipation Factor 0.04600, 0.03200, 0.05200 Test Method
    Dielectric Strength (V/mil) 480 (vpm) Test Method
    Dielectric Constant 5.10, 4.84, 4.04 Test Method
    Surface Resistivity (O) 3.2e15 Test Method
    Volume Resistivity (O) 1.60e14 (ohms-cm) Test Method
    Hardness
    Shore D Hardness 65, 65 Test Method
    Elongation (%) 230, 175, High Test Method
    Other Properties
    Specific Gravity 1.090, 1.090 Test Method
    Business Information
    Shelf Life Details A shelf life of at least 18 months from date of manufacture when stored in the original, unopened containers at 65°F-85°F.
    Shelf Life Temperature (°F) 65 to 85
    Shelf Life Type From date of manufacture
    Shelf Life (mon) >18
  • Best Practices for Elantas (Altana) TU-981

    *See Terms of Use Below

    1. Surface Preparation

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

      If void-free castings are desired, 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). In many applications, the degassing step may be eliminated.

    2. Application

      If parts are to be demolded, a quality CONAP® mold release should be applied prior to pouring.

    3. Mixing

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

      Pour mixed material into molds or fixtures in a manner to avoid trapping air bubbles or pockets and cure as recommended. Porous molds should be properly sealed prior to using. Contact Cytec’s Technical Service Department or your local sales manager for assistance.

    4. Clean-Up

      Clean equipment with appropriate solvents. N-methyl pyrrolidone dissolves cured polyurethane. Dibasic ester (DBE) can be used to flush equipment.

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Linear Shrinkage Test Methods
Linear Shrinkage Temp
0.0002 (in./in.) 25°C
0.0010 (in./in.) 60°C
Viscosity Test Methods
Viscosity Test Method Temperature
2,000 cPs ASTM D2393 25°C
Low
Work / Pot Time Test Methods
Work / Pot Time Test Method Temperature
16 to 20 min 100K 25°C
Long
Flexural Strength Test Methods
Flexural Strength Cure Temperature Test Method
1,900 psi 25°C ASTM D790
Impact Strength Test Methods
Impact Strength Cure Temperature Test Method
7.5 (ft. lb./in.) 25°C ASTM D256
12 psi 25°C ASTM D256
Tear Strength Test Methods
Tear Strength Type Cure Temperature Test Method
600 (pli) 25°C ASTM D624 (Graves)
80 (pli) 25°C ASTM D470 (Split)
600 (pli) 60°C ASTM D624 (Graves)
High
Tensile Strength Test Methods
Tensile Strength Type Cure Temperature Test Method
4,050 psi 25°C ASTM D412
4,500 psi 60°C ASTM D412
High
Dielectric Constant Test Methods
Dielectric Constant Temperature Test Method
5.10 25°C Dielectric constant, 100 Hz
4.84 60°C Dielectric constant, 1 KHz (ASTM D150)
4.04 25°C Dielectric constant, 1 Mhz
Dielectric Strength Test Methods
Dielectric Strength Temperature Test Method
480 (vpm) 60°C Dielectric Strength, 1/16” (ASTM D149)
Dissipation Factor Test Methods
Dissipation Factor Temperature Test Method
0.04600 25°C Dissipation Factor, 100 Hz
0.03200 25°C Dissipation Factor, 1 KHz
0.05200 25°C Dissipation Factor, 1 MHz
Surface Resistivity Test Methods
Surface Resistivity Temperature Test Method
3.2e15 60°C ASTM D257-76
Volume Resistivity Test Methods
Volume Resistivity Temp (°C) Test Method
1.60e14 (ohms-cm) 60°C ASTM D257
Elongation Test Methods
Elongation Test Method
230 % ASTM D412 (25°C)
175 % ASTM D412 (60°C)
High
Shore D Hardness Test Methods
Shore D Hardness Shore Hardness Test Method
65 ASTM D2240 (25°C)
65 ASTM D2240 (60°C)
Specific Gravity Test Methods
Specific Gravity Temperature Test Method
1.090 25°C ASTM D792
1.090 60°C ASTM D792