Elantas (Altana) TU-961

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Description for Elantas (Altana) TU-961

A two-component liquid casting system, high impact strength, good elastomer properties, and very low shrinkage, Low viscosity, Long pot life, Good green strength.

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Brand	Cytec
Application Type	Casting
1 Part or 2 Part	2 Part
Material Form	Liquid
Substrate	rigid rubber
Manufacturer	Elantas (Altana)
Chemistry	polyurethane
Cure Method	Part A/Part B
Cure Temperature (°C)	25, 60
Cure Time (min)	10,080, 960
Viscosity (cPs)	2,500, 1,000, Low
Density (g/cm³)	0.0379 (lbs./cubic inch), 0.0379 (lbs./cubic inch)

Best Practices for Elantas (Altana) TU-961

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Technical Data for Elantas (Altana) TU-961

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Overview

Application Type
- Casting / Moldmaking - Casting
1 Part or 2 Part
- 1 Part or 2 Part - 2 Part
Material Form
- Liquid
Substrate
- Rubber - rigid rubber
Industry
- Industrial - decorative molds
- Construction - architectural formliners, Blockouts for the architectural precast concrete production
- Other - Mold material for creating blockouts or chamfer strips, Custom formliners
Chemistry
- Polyurethane
Cure Method
- 2-Part Cure - Part A/Part B
Brand
- Cytec

Specifications

Cure Specs

Cure Temperature (°C)	25, 60
Cure Time (min)	10,080, 960
Viscosity (cPs)	2,500, 1,000, Low	Test Method
Linear Shrinkage (%)	0.0002 (in./in.), 0.0012 (in./in.)	Test Method
Work / Pot Time (min)	20, 10, 17, Long	Test Method
Mix Ratio	100:50 (by volume), 100:50 (by weight)

Bond Strength

Impact Strength (psi)	8.3 / 67 (ft.lb./in), 8.0 / 89 (ft.lb./in)	Test Method
Flexural Strength (psi)	1,400, 1,400	Test Method
Tear Strength (piw)	450 (pli), 425 (pli), High	Test Method
Tensile Strength (psi)	3,300, 3,700, High	Test Method

Material Resistance

Abrasion Resistance	superior abrasion resistance

Conductivity

Dissipation Factor	0.02700	Test Method
Dielectric Strength (V/mil)	520 (vpm)	Test Method
Dielectric Constant	5.07	Test Method
Surface Resistivity (O)	6.10e13 (ohm)	Test Method
Volume Resistivity (O)	2.6e13 (ohms-cm)	Test Method

Hardness

Shore D Hardness	58 to 60	Test Method
Elongation (%)	200, 230, High	Test Method
Modulus (psi)	1,500, 1,750	Test Method

Other Properties

Specific Gravity	1.050	Test Method
Density (g/cm³)	0.0379 (lbs./cubic inch), 0.0379 (lbs./cubic inch)	Test Method

Business Information

Shelf Life Details	Both Part A and Part B components are moisture sensitive. Containers should be flushed with dry nitrogen or CONAP® Dri-Purge each time they are opened unless the contents are used within one day.;Part A and Part B have a shelf life of 18 months from date of manufacture when stored in the original unopened containers at 65°F-85°F.
Shelf Life Temperature (°F)	77
Shelf Life (mon)	18

Best Practices for Elantas (Altana) TU-961

*See Terms of Use Below
1. Surface Preparation
  
  Before mixing the Conathane® TU 961, the mold to be used should be thoroughly prepared. Wood, concrete and other porous templates should be sealed with a high quality urethane such as MBT Form-Cote. The pattern should be free of any dirt, dust, or standing water due to Conathane TU 961's moisture sensitivity. To ensure a good release of the liner after hardening, apply a coat of a drying paste wax (car wax) to the mold. Then, buff the wax to a shine and top with a generous coating of Conap® MR 5002, a silicone based release agent
2. Mixing
  
  Mix and weigh only in non-porous plastic or metal containers, avoiding paper containers or wooden sticks. The material should be close to room temperature prior to mixing. Weigh the desired amount of material in a ratio of 2 parts A to 1 part B. Pour the two weighed parts into your mixing container. Next, mix with a low speed paddle mixer or a plastic, metal or glass mixing rod for 2 minutes, being careful not to entrain air. Pour the mixture into a second container while scraping the sides, and mix again for a maximum of 3 minutes.
  
  Note: Do not scrape the sides of the container when pouring the Conathane TU 961 onto the mold after the second mixing. For additional casting information refer to the Formliner Technical Application Guide or contact a Master Builders representative. During the initial curing process, Conathane TU 961 generates a great deal of heat. Use caution when handling the mold at this time.
Comparable Materials for Elantas (Altana) TU-961

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Spec Engine^® Results
- Conathane EN-2523(Elantas (Altana))
  A two-part, filled polyurethane casting system. It consists of two low viscosity liquids that have low vapor pressure and good handling properties at room temperature. Low exotherm, low stress build-up during cure, low shrinkage, and excellent electrical properties are other outstanding features of this system.
- EL225D(Resinlab)
  A two-component, low viscosity, semi-rigid polyurethane resin system exhibiting high electrical strength, toughness and adhesion. Encapsulation of delicate components, High chemical resistance, A wide range of applications.
- Casting Resin PU 512 FL(Wevo)
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