Elantas (Altana) UC-54

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Description for Elantas (Altana) UC-54

A two-component, low viscosity, 85 Shore D urethane casting system exhibiting excellent hardness retention at elevated temperatures. Low exotherm permits casting of large parts.

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Application Type	Bond, Casting
1 Part or 2 Part	2-Part
Material Form	Liquid
Manufacturer	Elantas (Altana)
Chemistry	urethane
Cure Method	Part A/Part B
Cure Temperature (°C)	25, 65, 25, 80
Cure Time (min)	1,440, 960, 1,440, 240
Viscosity (cPs)	Low, 1,200

Best Practices for Elantas (Altana) UC-54

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Technical Data for Elantas (Altana) UC-54

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Overview

Application Type
- Casting / Moldmaking - Casting
- Adhesive - Bond
1 Part or 2 Part
- 2-Part
Material Form
- Liquid
Industry
- Industrial
Chemistry
- Polyurethane - urethane
Cure Method
- 2-Part Cure - Part A/Part B

Specifications

Cure Specs

Cure Temperature (°C)	25, 65, 25, 80
Cure Time (min)	1,440, 960, 1,440, 240
Viscosity (cPs)	Low, 1,200	Test Method
Linear Shrinkage (%)	0.45	Test Method
Work / Pot Time (min)	40 to 45	Test Method
Mix Ratio	2:1 (by weight), 100:50 (by weight)

Bond Strength

Tensile Strength (psi)	12,265

Hardness

Shore D Hardness	85, 80	Test Method
Elongation (%)	7

Other Properties

Specific Gravity	1.180, 1.080

Business Information

Shelf Life Details	Both the Part A and Part B components of CONATHANE® UC-54 are moisture sensitive. It is recommended that containers be flushed with dry nitrogen or CONAP® Dri-Purge each time the containers are closed., CONATHANE® UC-54, Part A and Part B have a shelf life of 12 months from date of manufacture, when stored in their original, unopened containers at 65°-85°F., Part A may crystallize in cooler temperatures. Crystallization is indicated by a light turbidity. Place the container in a 50°C oven for at least 4 hours to place the crystals back into solution. Agitate to assure complete uniformity. Cool to room temperature before use.
Shelf Life Temperature (°F)	149 to 185
Shelf Life Type	From date of manufacture
Shelf Life (mon)	12

Best Practices for Elantas (Altana) UC-54

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1. Application
  
  CONATHANE® UC-54 has very good adhesion to most substrates and generally will not require the use of a primer. If adhesion improvement is necessary, contact Cytec Industries Inc. for specific recommendations. If the cast part is to be demolded after cure, apply a CONAP® mold release agent prior to casting.
  
  Depending on mass and part configuration, CONATHANE® UC-54 can usually be demolded after curing 6 hours at room temperature. However, parts are extremely brittle at this stage and care should be exercised in removing parts from molds.
2. Mixing
  
  Mix the two components together thoroughly at the recommended ratio at 25ºC stirring carefully to prevent air entrapment. If air entrapment is excessive, degas the mixture for 2-3 minutes at 1-5 mm of vacuum. Metal, glass, or plastic containers and stirring rods should be used. Avoid the use of wooden sticks and paper cups.
3. Deairing/Degassing
  
  If air entrapment is excessive, degas the mixture for 2-3 minutes at 1-5 mm of vacuum.
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