Shin-Etsu

SIFEL8000

Potting Gel
SIFEL8000 series

SHIN-ETSU SIFEL® potting gel provides excellent low stress encapsulation performance for sensitive electronic components.
SHIN-ETSU SIFEL® potting gel has been proven to protect electronics from long term exposure to harsh environments such as fuels, solvents and chemicals.

Product Listing

Standard Type (heat/room temperature curing type)

Values listed are typical values and do not constitute a specification.

Product Name SIFEL8070A/B SIFEL8370A/B SIFEL8470 SIFEL8570A/B
Features Two-component
Heat cure
Better low temperature flexibility
Two-component
Heat cure
One-component
Heat cure
Two-component
Room temperature cure
Before curing properties
Appearance Slightly translucent liquid, Pale yellow Slightly translucent liquid, Pale yellow Slightly translucent liquid, Pale yellow Slightly translucent liquid, Pale yellow
Viscosity at 23ºC A: 2.0Pa·s A: 3.4Pa·s 3.2Pa·s A: 3.2 Pa·s
B: 2.5Pa·s B: 2.9Pa·s B: 3.0Pa·s
Density at 25ºC A: 1.85g/cm3 A: 1.86g/cm3 1.84g/cm3 A: 1.86g/cm3
B: 1.79g/cm3 B: 1.83g/cm3 B: 1.82g/cm3
Pot life ≧8hr ≧24hr - 3hr
After curing properties
Cure Condition 120ºC/1hr 120ºC/1hr 150ºC/1hr 23ºC/24hr
Hardness, Penetration 70 70 70 70

Penetration measuring method

UV Room temperature type

Product Name X-71-8161
Features UV Room temperature type
Recommended Curing conditions Estimated light intensity:9,000mJ/cm2
(UV light source:365nm)
Before curing properties
Appearance pale yellow
Viscosity 23ºC 2.2 Pa·s
Density 25ºC 1.86g/cm3
After curing properties*
Hardness, Penetration 50
glass transition temperature; Tg -60ºC

※activation with UV(9,000mJ/cm2), 120min at 23ºC(Not specified values)

<<Processing>>

Other products

Hardness,
Penetration around 15
Hardness,
Penetration 35
Hardness,
Penetration 50
Hardness,
Penetration over 70
One-component SIFEL8435
Two-component X-71-8015A/B SIFE8035A X-71-8085A/B
UV Room temperature type X-71-8161

☆Please contact us.

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Properties

Values listed are typical values and do not constitute a specification.

Solvent Resistance

Weight increase

Gasohol, Weight increase, SIFEL8370

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Weight change in various solvents

Solvent Weight change % 25ºC-7days
SIFEL8070 SIFEL8370
Hydrocarbon Fuel C 3.7 3.1
Toluene 2.7 2.2
Light oil 0.4 0.4
Halogenated hydrocarbon Chloroform 9.6 7.9
Ketone Acetone 2.5 2.0
MEK 2.9 2.3
Ester Ethyl acetate 4.1 3.3
Alcohol Methanol 0.3 0.4
Ethanol 0.4 0.3
Ether ETBE 5.6 4.6
MTBE 7.4 6.1

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Heat Resistance

Heat aging at 150C, SIFEL8370  ASTM D1403

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Chemical Resistance

Hardness change, SIFEL8370  ASTM D1403

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Low Temperature Flexibility

Modulus, SIFEL8370

* Please contact us about materials that keep flexibility at lower temperature.

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Oil Resistance

Immersed in Fuel C at 40C, SIFEL8370  ASTM D1403

Immersed in engine oil at 150C, SIFEL8370  ASTM D1403

Immersed in ATF at 150C, SIFEL8370  ASTM D1403

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Low Hygroscopicity

Weight increase

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Electrical Insulation Properties

SIFEL8370A/B Fluorosilicone Gel
Volume Resistivity(MΩ・cm) 2X106 7X103
Dielectric Constant (50Hz) 2.8 7.0
Dielectric Dissipation Factor (50Hz) 2X10-3 5X10-2

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Low Moisture Permeability

(40ºC/90%RH)
SIFEL8370 Fluorosilicone Gel
Permeability (g/m2・24hr) 7 90

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High Purity

Ion species
Na+, K+, NH4+, F-,
Cl-, Br-, NO3-, SO42-
Less than 1ppm for each species listed

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