Elantas (Altana) TU-981

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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.

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Brand	Cytec
Chemical Resistance	Good, Chemical Resistance: Good Solvent Resistance
Application Type	Adhesive, Casting, Gaskets
1 Part or 2 Part	2-Part
Material Form	Liquid
Industry	Industrial wheels, Military training aids
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
Other Resistance	Excellent Resiliency
Volume Resistivity (O)	1.60e14 (ohms-cm)

Best Practices for Elantas (Altana) TU-981

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Technical Data for Elantas (Altana) TU-981

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Overview

Chemical Resistance
- Chemical Resistance - Good
- Chemical Resistance : Relative Solvent Resistance - Good Solvent Resistance
Application Type
- Gasketing - Gaskets
- Casting / Moldmaking - Casting
- Adhesive
1 Part or 2 Part
- 2-Part
Material Form
- Liquid
Industry
- Military - Military training aids
- Industrial - Flexible molds, Drop hammer faces, Washers, Bushings and diaphragms, Foundry patterns, Core box linings
- Industrial Wheels
Chemistry
- Epoxy
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
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
Volume Resistivity (O)	1.60e14 (ohms-cm)	Test Method
Surface Resistivity (O)	3.2e15	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.
Comparable Materials for Elantas (Altana) TU-981

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Spec Engine^® Results
- EP965 Black(Resinlab)
  A two part component is unfilled epoxy encapsulant designed for small to medium sized castings and for bonding a variety of materials. It has good wetting and adhesion to most surface and is free flowing and good resistance to water, acids, bases, and most organic solvents.
- EP1112NC(Resinlab)
  Very low viscosity, fast cure speed, small mass potting, unfilled.
- EP1121 Clear(Resinlab)
  A two part unfilled, epoxy encapsulant designed for medium to large sized castings. It cures completely at room temperature to a tough, flexible yet soft polymer.
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Closest Results from this Manufacturer
- Conapoxy RN-1000 w/ EA-02 Hardener(Elantas (Altana))
  A diluted epoxy potting and casting resin. When cured with the hardeners listed, these systems possess low shrinkage, low exotherm, good thermal shock and electrical properties.
- Conapoxy RN-1200 w/ EA-02 Hardener(Elantas (Altana))
  An undiluted, epoxy potting and casting resin. When cured with any of the hardeners listed, these systems possess low viscosity, low shrinkage, low exotherm, excellent resistance to thermal shock, and good electrical properties.
- Conapoxy RN-1200 w/ EA-28 Hardener(Elantas (Altana))
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