Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Fillers Included
- Polymer Name
- Plastics & Elastomers Functions
- Technologies
- Product Families
Features & Benefits
- Materials Features
Applications & Uses
- Appliation Details
MOLD CONSTRUCTION:
The composites approach to mold construction uses TC-1651 as a binder for SC-125 Aluminum Granules. This mixture is cast behind a high temperature surface coat, TC-1611 or TC-1618. This combination provides several benefits. The TC-1611 or TC-1618 surface coat provides exceptional durability, and the aluminum granule addition to the TC-1651 provides increased heat conductivity and allows pouring of large masses. In addition, this method reduces cost. Generally, the SC-125 Aluminum Granule is added at the rate of 60-80 parts by weight to 100 parts by weight mixed resin and hardener. Larger amounts of aluminum granules are added when making vacuum form molds, casting molds, foam molds, and other low pressure compression type molds. When casting TC-1651 without the addition of aluminum granules, the thickness of the cast should generally be limited to 3" to control shrinkage or excess exotherm.
Properties
- Physical Form
- Physical Properties
- Mechanical Properties
- Typical Properties
| Value | Units | Test Method / Conditions | |
| Hardness | 90 | Shore D | ASTM D2240 |
| Density | 1.7 | g/cc | ASTM D792 |
| Cubic | 16.6 | Inches per Pound | — |
| Tensile Strength | 8100 | psi | ASTM D638 |
| Flexural Strength | 10600 | psi | ASTM D790 |
| Flexural Modulus | 1.06 x 10⁶ | psi | ASTM D790 |
| Shrinkage Linear | 0.002 | in/in | ASTM D2566 |
| Coefficient of Thermal Expansion | 2.02 x 10⁻⁵ | in/in/°F | ASTM D3386 |
| Heat Deflection Temperature (264 psi) | 235 (113) | °F(°C) | ASTM D648 |
| Compressive Strength | 27600 | psi | ASTM D695 |
| Value | Units | Test Method / Conditions | |
| Flexural Strength (psi) | 1.06 x 10⁶ | psi | ASTM D790 |
| Value | Units | Test Method / Conditions | |
| Heat Deflection Temperature at 264 psi | 235 (113) | °F(°C) | ASTM D648 |
| Mix Ratio by weight (Part A) | 100 | — | — |
| Mix Ratio by volume (Part A) | 100 | — | — |
| Specific Gravity (77°F (25°C), Part A) | 1.8 | — | — |
| Color (Part A) | Gray | — | — |
| Mixed Viscosity (77°F (25°C)) | 12800 | cps | Brookfield |
| Work Time (1lb mass, 77°F (25°C)) | 2 hours | — | — |
| Gel Time | 3 hours | — | — |
| Demold Time (77°F (25°C)) | 16 - 24 hours | — | — |
| Mix Ratio by weight (Part B) | 9 | — | — |
| Mix Ratio by volume (Part B) | 16 | — | — |
| Specific Gravity (77°F (25°C), Part B) | 0.99 | — | — |
| Color (Part B) | Amber | — | — |
Safety & Health
- Safty Precaution
Use in a well-ventilated area. Avoid contact with skin using protective gloves and protective clothing. Repeated or prolonged contact on the skin may cause an allergic reaction. Eye protection is extremely important. Always use approved safety glasses or goggles when handling this product.
Storage & Handling
- Storage
Store at ambient temperatures, 65-80°F (18-27°C). Unopened containers will have a shelf life of 12 months from date of shipment when properly stored at recommended temperatures. Purge opened containers with dry nitrogen before re-sealing.