Silicone-rubber base flame retardant adhesives
Adhesive series for fixing electronic devices with outstanding electrical properties and approval of flame retardant grade (V-0) and UL Standard.
- SC901
- SC950

| SC901 | |
| For fixing electronic devices and insulation | |
|
|
|
| Product Name | SC901 |
|---|---|
| Main component | Silicone rubber base |
| Color | White |
| Property | Non-liquidity paste |
| Solid content(%) | 97% or higher |
| Specific gravity | About 1.7 |
| Diluent | - |
| Container | 150g tube or 333ml cartridge |
* UL Certificated. UL file No. E63260
The product is suitable for fixing electronic devices, insulation sealing, and mounting, including:
- Sealing for insulation, waterproofing, dust proofing, damping, or airtightness; mounting; and bonding of printed circuit board, high-voltage components (such as flyback transformers), hybrid ICs, sensors and other electronic devices.
- Sealing of coils.
- Fixing lead wires.
- Sealing for waterproofing, dust proofing, and damping; mounting; and bonding in home electrical appliances, communication devices, or measuring instruments
- General joining of metals, glasses or plastics
1.Curing speed
The adhesive is moisture cure type, Thus the curing rate depends on the ambient humidity in the workplace. Curing starts at the surface in contact with air, and proceeds inwards slowly, thus taking some time to complete.

| Substrate: | Glass-epoxy/Glass-epoxy |
|---|---|
| Thickness of adhesive: | 100µm |
| Curing condition: | 23°C±5°C 60%±20%RH |
(n/cm2)
| 2 hrs | 4 hrs | 6 hrs | 10 hrs | 1 day | 3 days | 7 days |
|---|---|---|---|---|---|---|
| 9.2 | 20.6 | 25.5 | 26.5 | 30.4 | 34.3 | 38.2 |
| Substrate: | JIS Z3197 Test circuit pattern(conductor space 1.27mm) |
|---|---|
| Thickness of adhesive: | 200µm |
| Curing condition: | 23°C±5°C 60%±20%RH |
Unit(Ω)
| 1 min | 10 minutes | 30 minutes | 1 hr | 2 hrs | 10 hrs | 1 day | 2 days | 7 days |
|---|---|---|---|---|---|---|---|---|
| 4.4X1010 | 5.3X1010 | 3.8X1011 | 2.4X1012 | 5.8X1012 | 5.5X1013 | 5.6X1013 | 6.0X1013 | 6.0X1013 |
4.After cured physical properties
| Appearance | Rubber-like elastic material |
|---|---|
| Color | White |
| Specific gravity | About1.7 |
| Hardness JIS A | 60 |
| Tensile strength (N/cm2) | 28.4 |
| Elongation (%) | 100 |
| Thermal conductivity (W/mk) | 0.84 |
| Flame retardancy UL94 | V-0(3.0mm) / V-1(1.5mm) |
| Insulation resistance (Ω) JIS Z3197 Test circuit pattern(Conductor space 1.27cm) |
1.0X1013 |
| Volume resistivity (Ω-cm) JIS C6481 | 1.0X1010 or higher |
| Dielectric voltage DC (KV/mm) JIS C2110 | 15 or higher |
| Dielectric constant ε 1MHz JIS C6481 F/m | 5 or lower |
| Dissipation factor tan δ 1MHz JIS C6481 | 0.05 or lower |
| Curing condition: | 23±5°C, 65±20%RH x 7days |
|---|---|
| Measurement condition: | Peeling speed 10mm/min |
| Substrate | Initial | After aging | Aging condition |
|---|---|---|---|
| Styrol/Styrol | 9.0 ACF | 8.6 AF | 60°C 100 hrs |
| ABS/ABS | 14.2 ACF | 35.8 CF | |
| Acrylic board/Acrylic board | 18.3 ACF | 28.6 CF | |
| PVC/PVC (rigid) | 36.9 ACF | 35.7 CF | |
| Paper phenol board/Paper phenol board | 37.2 ACF | 17.1 ACF | |
| Glass epoxy/Glass epoxy | 38.6 ACF | 24.0 CF | 100°C 100 hrs |
| Copper/Copper | 38.2 ACF | 37.7 CF | |
| Iron/Iron | 30.2 ACF | 23.2 CF | |
| Aluminum/Aluminum | 26.7 ACF | 28.2 CF |
* AF:Adhesive interface failure CF:Cohesive failure ACF:AF+CF Unit(N/cm2)
6.Electrical property
| Time | Aging condition | 40°C90%RH | 150°C | 180°C | 200°C |
|---|---|---|---|---|---|
| 1 week | Volume resistance(Ω-cm) | 4.2 x 1016 | 2.1 x 1015 | 5.6 x 1015 | 7.3 x 1015 |
| Dielectric voltage DC(KV/mm) | 22.3 | 24.3 | 23.6 | 23.9 | |
| 2 weeks | Volume resistance(Ω-cm) | 8.0 x 1013 | 3.4 x 1015 | 4.5 x 1015 | 7.4 x 1015 |
| Dielectric voltage DC(KV/mm) | 22.5 | 24.7 | 27.7 | 27.8 | |
| 3 weeks | Volume resistance(Ω-cm) | 8.9 x 1013 | 4.5 x 1015 | 6.1 x 1015 | 7.2 x 1015 |
| Dielectric voltage DC(KV/mm) | 22.3 | 22.8 | 20.6 | 22.6 |
- Check before operation
Check the relevant material safety data sheet (MSDS) and instruction manuals for precautions required for operation. - Operation environment
- Keep ignition sources away.
- Use a local ventilator to ensure sufficient air circulation. - First aid
- Learn action to take from the MSDS and instruction manuals.
- In case of eye contact, vapor inhalation or swallowing, seek medical attention immediately. - Storage
Store the product in a tightly closed container in a predetermined place at room temperature avoiding direct sunlight. - Prohibition of unintended use
Never use the product except as an adhesive.
Note on the characteristic data given - Data on the characteristics of the products described in this page based on the results of evaluations carried out by the company. This does not guarantee that the characteristics of the product conform with your usage environment. Before use, review the usage conditions based on evaluation data obtained from the equipment and substrates actually used.

