Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Technologies
Features & Benefits
- Labeling Claims
Applications & Uses
- Applications
- Application Area
- Applications & Advantages
- Excellent Thermal Cycling Performance & Thermal Shock Resistance
- Resilient, Tough, Durable, High Elongation
- Low Embedment Stress on Electronics, Low Shrinkage
- Adhesion to Thermoplastics and Wire Insulation, Specific Adhesion to Aluminum
- Instruction for Use
MIX RATIO ByWEIGHTVOLUMETough-Seal 31Part A57A1 ATough-Seal 31Part B100 B2 B
Combine Part A and B and mix thoroughly, being careful to limit entrapped air duringmixing. Scrape sides, walls and bottom of container. Pour material into part and cure.Bulk meter-mix dispensing machines and convenient cartridges provide air free mixing.
Properties
- Color
- Mechanical Properties
- Thermal Properties
- Electrical Properties
| Value | Units | Test Method / Conditions | |
| Elongation at Break 25°C (77°F) | Off White | — | D638 |
| Elongation at Break 25°C (77°F) | 400 | % | D638 |
| Gel Time (100g) at 25°C (77°F) | 10 - 20 | minutes | — |
| Hard Cure at 25°C (77°F) | Overnight | — | — |
| Full Cure | 3 to 5 Days, Dependent on part size | — | — |
| Accelerated Cure at Mild Heating 66 to 80°C (150-175°F) | Yes | — | — |
| Hardness vs Temperature -25°C (-13°F) | 50 | Shore A | D2240 |
| Hardness vs Temperature -75°C (-103°F) | 87 | Shore A | D2240 |
| Hardness vs Temperature 100°C (212°F) | 37 | Shore A | D2240 |
| Hardness vs Temperature 120°C (248°F) | 35 | Shore A | D2240 |
| Hardness vs Temperature 150°C (302°F) | 33 | Shore A | D2240 |
| Hardness vs Temperature 25°C (77°F) | 37 | Shore A | D2240 |
| Hardness vs Temperature 5°C (41°F) | 44 | Shore A | D2240 |
| Hardness vs Temperature 50°C (122°F) | 37 | Shore A | D2240 |
| Tensile Strength 25°C (77°F) | 800 | psi | D638 |
| Hardness vs Temperature 66°C (150°F) | 37 | Shore A | D2240 |
| Hardness vs Temperature 80°C (176°F) | 37 | Shore A | D2240 |
| Linear Shrinkage (Upon Cure) 25°C (77°F) | max. 0.001 | in/in | D2256 |
| Hardness, 25°C (77°F) | 3500 | Shore A | D2240 |
| Hardness vs RT Cure 1 Hour at 25°C (77°F) | 4 | Shore A | D2240 |
| Hardness vs RT Cure 2 Hours at 25°C (77°F) | 6 | Shore A | D2240 |
| Hardness vs RT Cure 4 Hours at 25°C (77°F) | 11 | Shore A | D2240 |
| Hardness vs RT Cure 8 Hours at 25°C (77°F) | 14 | Shore A | D2240 |
| Hardness vs RT Cure 12 Hours at 25°C (77°F) | 14 | Shore A | D2240 |
| Hardness vs RT Cure 1 Day at 25°C (77°F) | 16 | Shore A | D2240 |
| Hardness vs RT Cure 2 Days at 25°C (77°F) | 19 | Shore A | D2240 |
| Hardness vs RT Cure 3 Days at 25°C (77°F) | 22 | Shore A | D2240 |
| Hardness vs RT Cure 4 Days at 25°C (77°F) | 23 | Shore A | D2240 |
| Hardness vs RT Cure 1 Week at 25°C (77°F) | 30 | Shore A | D2240 |
| Hardness vs RT Cure 1 Month at 25°C (77°F) | 41 | Shore A | D2240 |
| Value | Units | Test Method / Conditions | |
| Heat Capacity,Cp 25°C (77°F) | 1.75 | J/g°K | E1461 |
| Thermal Conductivity 25°C (77°F) | 0.18 | W/m°K | E1461 |
| Coefficient of Thermal Expansion -65°C to 75°C | 168 | ppm/°C | E831 |
| Coefficient of Thermal Expansion 75°C to 100°C | 168 | ppm/°C | E831 |
| Coefficient of Thermal Expansion 100°C to 150°C | 168 | ppm/°C | E1545 |
| Value | Units | Test Method / Conditions | |
| Dielectric Strength at 25°C (77°F) | 325 | Volts/mil | D149 |
| Volume Resistivity at 25°C (77°F) | 2.1 x 10 12 | Ω-cm | D257 |
| Dielectric Constant at 25°C (77°F) 1 kHz | 5.2 | — | D150 |
| Dielectric Constant at 25°C (77°F) 1 kHz | 4.75 | — | D150 |
| Dielectric Constant at 25°C (77°F) 60 Hz | 5.35 | — | D150 |
| Dissipation Factor at 25°C (77°F) 1 MHz | 0.024 | — | D150 |
| Dissipation Factor at 25°C (77°F) 1 kHz | 0.021 | — | D150 |
| Dissipation Factor at 25°C (77°F) 60 Hz | 0.044 | — | D150 |
Safety & Health
- Safety & Handling
Avoid all contact with skin,eyes, clothing and food. Wash thoroughly after handling.
Storage & Handling
- Shelf Life & Storage Info
Tough-Seal 31A (PC2031A) 3Months from Date of Manufacture (15°C to 35°C)
Tough-Seal 31A (PC2031A)12 Months from Date of Manufacture (-18°C to 3°C)
Tough-Seal 31B (PC2031B) 12 Months from Date of Manufacture (-18°C to 35°C)
Tough-Seal 31AB Cartridges 3 Months from Date of Shipment (15°C to 35°C)
Tough-Seal 31AB Cartridges 12 Months from Date of Shipment (-18°C to 3°C)