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Description for Elantas (Altana) TU-8080
A liquid two-component polyurethane casting system formulated to produce 80 Shore A elastomers. TU-8080 does not contain MbOCA or heavy metal catalysts.Brand Cytec Application Type Casting, Gaskets 1 Part or 2 Part 2 Part Material Form Liquid Substrate Metal Industry Industrial wheels Manufacturer Elantas (Altana) Chemistry polyurethane Cure Method Resin/Hardener Cure Temperature (°C) 25, 80 Cure Time (min) 10,080 to 14,400, 960 Viscosity (cPs) 3,900 Color clear amber color -
Technical Data for Elantas (Altana) TU-8080
Overview
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Application Type
- Gasketing - Gaskets
- Casting / Moldmaking - Casting
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1 Part or 2 Part
- 1 Part or 2 Part - 2 Part
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Material Form
- Liquid
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Substrate
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Industry
- Industrial Wheels
- Other - Cast-in-place linings for metal polishing and finishing equipment, Vibration, shock, and sound dampening pads, Metal forming pads, Flexible molds, Drop hammer faces, Washers, Bushings and Diaphragms
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Chemistry
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Application Method
- Dispenser - automatic metering, mixing, dispensing equipment
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Cure Method
- 2-Part Cure - Resin/Hardener
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Color
- Clear / Transparent - clear amber color
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Brand
- Cytec
Specifications
Cure Specs
Cure Temperature (°C) 25, 80 Cure Time (min) 10,080 to 14,400, 960 Viscosity (cPs) 3,900 Test Method Linear Shrinkage (%) 1.20 Test Method Work / Pot Time (min) 20 to 25 Test Method Mix Ratio 100:30 (by volume), 100:28 (by weight) Bond Strength
Tear Strength (piw) 464 (pli), 110 (pli) Test Method Tensile Strength (psi) 3,500, 800, 925, 1,000 Test Method Conductivity
Dissipation Factor 0.02700, 0.75000, 0.02300, 0.09500, 0.06600, 0.02800 Test Method Dielectric Strength (V/mil) 560 (vpm) Test Method Dielectric Constant 5.92, 5.10, 5.73, 4.63, 4.73, 4.24 Test Method Surface Resistivity (O) 2.0e16, 1.9e10 Test Method Volume Resistivity (O) 5.0e16, 2.0e9 Test Method Hardness
Shore A Hardness 80 Test Method Elongation (%) 875 Test Method Flexibility Flexible Business Information
Shelf Life Details CONATHANE® TU-8080 has a shelf life of 18 months from date of manufacture when stored in the original unopened containers at 70°-85°F. Containers should be flushed with dry nitrogen or CONAP® Dri-Purge, each time they are opened unless the contents are used within one day. Shelf Life Temperature (°F) 158 to 185 Shelf Life Type From date of manufacture Shelf Life (mon) 18 -
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Best Practices for Elantas (Altana) TU-8080
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Surface Preparation
It is important that all dirt, rust, grease, and oil be removed from surfaces prior to applying the primer. Request Surface Preparation Guide, Bulletin AC-107, for recommendations.
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Mixing
CONATHANE® TU-8080 can be processed by batch mixing or by the use of automatic metering, mixing, and dispensing equipment. Specific recommendations can be made by the technical service department of Cytec Industries Inc. or by your regional sales manager. The following procedure is recommended for batch processing: 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 two to three 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.
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 customer service department, or your local regional sales manager, for assistance.
If parts are to be demolded, a quality CONAP® mold release should be applied prior to pouring.
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Clean-Up
Equipment may be cleaned with methylene chloride or acetone.
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Comparable Materials for Elantas (Altana) TU-8080
Spec Engine® Results
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Conathane EN-11 w/ Conathane EN-4(Elantas (Altana))A two-component, highly flexible liquid polyurethane molding and encapsulating system, that ensures the performance of electrical/electronic assemblies exposed to severe environmental extremes. Adhere to a wide variety of substrates.
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20-2370(Epoxies Etc)Epoxies Etc 20-2370 is a 2 Part Polyol/Iso Urethane Liquid used to Cast and Mold
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Loctite Stycast U 2500(Henkel)An encapsulant designed for transformer, PCB's and other insulation applications.
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Linear Shrinkage Test Methods
| Linear Shrinkage | Test Method | Temp |
|---|---|---|
| 1.20 % | ASTMA D2566 | 80°C |
Viscosity Test Methods
| Viscosity | Temperature |
|---|---|
| 3,900 cPs | 25°C |
Work / Pot Time Test Methods
| Work / Pot Time | Temperature |
|---|---|
| 20 to 25 min | 25°C |
Tear Strength Test Methods
| Tear Strength | Test Method |
|---|---|
| 464 (pli) | ASTM D-624, Graves |
| 110 (pli) | ASTM D470, Split |
Tensile Strength Test Methods
| Tensile Strength | Test Method |
|---|---|
| 3,500 psi | ASTM D412 |
| 800 psi | ASTM D412, 100% modulus |
| 925 psi | ASTM D412, 200% modulus |
| 1,000 psi | ASTM D412, 300% Modulus |
Dielectric Constant Test Methods
| Dielectric Constant | Temperature | Test Method |
|---|---|---|
| 5.92 | 25°C | Dielectric Constant, 100 Hz |
| 5.10 | 130°C | Dielectric Constant, 100 Hz |
| 5.73 | 25°C | Dielectric Constant, 1 KHz |
| 4.63 | 130°C | Dielectric Constant, 1 KHz |
| 4.73 | 25°C | Dielectric Constant, 1 MHz |
| 4.24 | 130°C | Dielectric Constant, 1 MHz |
Dielectric Strength Test Methods
| Dielectric Strength | Temperature |
|---|---|
| 560 (vpm) | 25°C |
Dissipation Factor Test Methods
| Dissipation Factor | Temperature | Test Method |
|---|---|---|
| 0.02700 | 25°C | Dissipation Factor, 100 Hz |
| 0.75000 | 130°C | Dissipation Factor, 100 Hz |
| 0.02300 | 25°C | Dissipation Factor, 1 KHz |
| 0.09500 | 130°C | Dissipation Factor, 1 KHz |
| 0.06600 | 25°C | Dissipation Factor, 1 MHz |
| 0.02800 | 130°C | Dissipation Factor, 1 MHz |
Surface Resistivity Test Methods
| Surface Resistivity | Temperature |
|---|---|
| 2.0e16 | 25°C |
| 1.9e10 | 130°C |
Volume Resistivity Test Methods
| Volume Resistivity | Temp (°C) |
|---|---|
| 5.0e16 | 25°C |
| 2.0e9 | 130°C |
Elongation Test Methods
| Elongation | Test Method |
|---|---|
| 875 % | ASTM D412 |
Shore A Hardness Test Methods
| Shore A Hardness | Shore Hardness Test Method |
|---|---|
| 80 | ASTM D2240 |
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