CONATHANE TU-89MF
Harmonization Code : 3910.00.00.90 | Silicones in Primary Forms; Others
Main features
- 15 to 25-Minute Working Window
- 22.1 MPa Cured Tensile Strength
- Flexible Cured Material
Product Description
CONATHANE® TU-89MF Polyurethane is a two-component amber polyurethane casting material for tough, flexible elastomeric parts. The system is documented for acoustic barriers, belt repair, bushings, diaphragms, gaskets, molds, pulleys, washers, and wheels. It uses a 100:53 resin-to-hardener ratio by weight and has a typical pot life of 15 to 25 minutes at 25°C. Typical cured properties include Shore A 89 hardness, 22.1 MPa tensile strength, 600% elongation, 74.4 kN/m tear strength, and resistance to abrasion, chemicals, and solvents.
Key features
- Tough cast elastomer: Typical cured tensile strength is 22.1 MPa with 600% elongation.
- Controlled two-part processing: The system uses a 100:53 mix ratio by weight and has a 15 to 25-minute pot life at 25°C.
- Broad industrial use: Documented applications include wheels, gaskets, bushings, molds, belts, and acoustic barriers.
Applications / Suitable for
- Wheels, pulleys, and belt repair
- Bushings, diaphragms, gaskets, and washers
- Molds, tools, and acoustic barriers
TDS, SDS & Technical Documents
Technical Specifications
No specifications available.
Additional Information
As-supplied / before-processing properties
Typical as-supplied or mixed-state values unless otherwise stated. These values are not sales specifications.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Appearance | Amber | N/A | As supplied |
| Material form | Liquid | N/A | As supplied |
| Specific gravity | 1.08 | N/A | ASTM D792 |
| Mix ratio by weight | 100:53 | parts | Resin : hardener |
| Mix ratio by volume | 100:50 | parts | Resin : hardener |
| Pot life | 15 to 25 | min | At 25°C |
| Processing method | Casting | N/A | Documented method |
After-processing / final-state properties
Typical final-state values under the stated system and test conditions. These values are not sales specifications.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Hardness | 89 | Shore A | ASTM D2240 |
| Tensile strength | 22.1 | MPa | ASTM D412 |
| Tensile elongation | 600 | % | ASTM D412 |
| Tear strength | 74.4 | kN/m | ASTM D624 |
| Molding shrinkage | 2.5 | % | ASTM D955, flow direction |
