Adhesives and Coatings
SIFEL2000 series
SHIN-ETSU SIFEL® allows design and processing flexibility for adhesion and coating applications which will be exposed to harsh environmental conditions.
Examples are die-attachments, conformal coatings, and sealing for electronics and control devices used in severe exposure applications.
Product Listing
Standard Type (heat curing)
Values listed are typical values and do not constitute a specification.
| Product Name | SIFEL2618 | SIFEL2610 | SIFEL2617 | SIFEL2662 | SIFEL2614 | SIFEL2661 | SIFEL2670 | SIFEL2680 |
|---|---|---|---|---|---|---|---|---|
| Features | Liquid, Lower viscosity | Liquid | Liquid | Viscous liquid | Liquid, Improved adhesion to PPS | Viscous Liquid, Improved adhesion to PPS | Viscous liquid Improves adhesion to PPS | Viscous liquid Improves adhesion to PPS |
| Before curing properties | ||||||||
| Appearance | Milky white liquid | Milky white liquid | Milky white liquid | Milky white liquid | Milky white liquid | Milky white liquid | Milky white paste | Milky white paste |
| Viscosity 23ºC | 2.8Pa·s | 6.0Pa·s | 25Pa·s | 230Pa·s | 20Pa·s | 120Pa·s | 680Pa·s | 2,100Pa·s |
| After curing properties (150ºC, 1hr) | ||||||||
| Density 23ºC | 1.77g/cm3 | 1.77g/cm3 | 1.85g/cm3 | 1.86g/cm3 | 1.85g/cm3 | 1.86g/cm3 | 1.86g/cm3 | 1.86g/cm3 |
| Hardness(Duro A) | 34 | 35 | 28 | 38 | 25 | 30 | 44 | 45 |
| Tensile Strength | 0.6MPa |
0.8MPa |
0.9MPa |
2.5MPa |
1.1MPa |
1.6MPa |
2.7MPa |
3.2MPa |
| Elongation | 100% | 110% | 180% | 230% | 240% | 270% | 230% | 240% |
| Lap shear Strength Aluminum/Aluminum [bond line] ※1 |
3.0MPa [0.08mm] |
3.0MPa [0.08mm] |
3.2MPa [0.08mm] |
1.8MPa [1mm] |
1.3MPa [1mm] |
2.0MPa [1mm] |
2.5MPa [1mm] |
2.2MPa [1mm] |
| Lap shear Strength PPS/PPS [bond line] |
- | - | - | - | 1.5MPa (15kgf/cm2) [1mm] |
1.8MPa (18kgf/cm2) [1mm] |
1.9MPa (20kgf/cm2) [1mm] |
2.0MPa (20kgf/cm2) [1mm] |
※1 Lap shear Strength differs according to the adhesion thickness.
Low-temperature curing series
| Product name | X-71-6046 | X-71-6207 A/B | X-71-6144 A/B | ||
|---|---|---|---|---|---|
| Features | One-component Type | Two-component Type | |||
| Before curing properties | |||||
| Appearance | Milky white liquid | Milky white liquid | Milky white liquid | Black liquid | Milky white liquid |
| Viscosity 23ºC | 280Pa·s | A: 25Pa·s | B: 34Pa·s | A: 54Pa·s | B: 50Pa·s |
| After curing properties | |||||
| Cure Condition | 100ºC/2hr | 80ºC/1hr | 23ºC/24hr | ||
| Density 23ºC | 1.86g/cm3 | 1.85g/cm3 | 1.86g/cm3 | ||
| Hardness(Duro A) | 40 | 13 | 34 | ||
| Tensile Strength | 3.2MPa | 1.8MPa | 3.8MPa | ||
| Elongation | 280% | 390% | 620% | ||
| Lap shear Strength [bond line] |
1.2MPa (Prebaked PBT) [1mm] |
1.5MPa (Aluminum) [1mm] |
0.7MPa (Cohesion) (Aluminum) [0.08mm] |
||
Curing temperature dependence of lap shear strength
| Substrate | Product name | X-71-6046 | X-71-6207A/B | ||
|---|---|---|---|---|---|
| Curing temperature |
Standard (100ºC) | Low temperature（80ºC) | Standard (80ºC) | Low temperature (60ºC) | |
| Stainless steel | 1.8MPa (Curing time:2hr) |
1.4MPa (Curing time:8hr) |
1.5MPa (Curing time:1hr) |
0.8MPa (Curing time:4hr) |
|
| Aluminum | - | - | 1.5MPa (Curing time:1hr) |
0.9MPa (Curing time:4hr) |
|
| PBT | 1.2MPa (Curing time:2hr) |
1.1MPa (Curing time:8hr) |
1.7MPa (Curing time:1hr) |
0.5MPa (Curing time:4hr) |
|
UV Room temperature type
| Product Name | X-71-6259 | |
|---|---|---|
| Features | UV Room temperature type Viscous liquid |
|
| Recommended Curing conditions | Integrated light intensity:9,000mJ/cm2 （Wavelength:365nm） |
|
| Before curing properties | ||
| Appearance*1 | Milky white liquid | |
| Viscosity 23ºC | 67Pa·s | |
| After curing properties* | ||
| Cure Condition | 23ºC/24hr. | |
| Density 23ºC | 1.85g/cm3 | |
| Hardness(Duro A) | 39 | |
| Tensile Strength | 1.6MPa | |
| Elongation | 160% | |
| Lap shear strength*2 (ASTM D1002) PPS/PPS [bond line] |
3.1MPa (using primer) [0.08mm] |
|
※activation with UV(9,000mJ/cm2), 24hr. at 23ºC(Not specified values)
*1 Promote curing by heating.
*2 Primer mentioned below is necessary for firm adhesion.
| X-70-550 (Primer) |
Viscosity: 0.61mm2/s（25ºC） Density: 0.71g/cm3（25ºC） Appearance: Slightly translucent liquid, yellow |
|---|
<<Processing>>
Data (X-71-6215)
Properties
Values listed are typical values and do not constitute a specification.
Adhesion Durability
Lap shear Strength, SIFEL2617, aluminum/aluminum, [bond line: 0.08mm]
Before curing temperature/viscosity dependency
Before curing temperature/viscosity dependency, SIFEL2614
Solvent Resistance
Chemical Resistance
Self Priming Adhesion
Testing the lap shear strength
SIFEL is applied as shown in the figure.
After curing, shear adhesion is measured using a tension tester.
Curing conditions: addition cure type 150ºC for 1 hr
SIFEL thickness (bond line): 1 mm (low viscous type 0.08 mm)
Adhesive surface: 10 × 25 mm2
Tensile speed: 50 mm/min
Electrical Insulation Properties
| SIFEL2617 | Fluorosilicone | |
|---|---|---|
| Volume Resistivity MΩ･m | 1X107 | 1X103 |
| Dielectric Strength kV/mm | 30 | 20 |
| Dielectric Constant 50 Hz | 3.0 | 6 |
| Dielectric Dissipation Factor 50Hz | 4X10-3 | 2X10-2 |
Low Moisture Permeability
| (40ºC/90％RH) | ASTM E96 | |
| SIFEL2617 | Fluorosilicone | |
|---|---|---|
| Permeability (g/m2・24hr) | 5 | 50 |
High Purity
| Ion species | |
|---|---|
| Na+, K+, NH4+, F-, Cl-, Br-, NO3-, SO42- |
Less than 1ppm for each species listed |
Catalog Download
Liquid Fluoroelastomers SHIN-ETSU SIFEL Catalog Download
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