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Nanjing SiSiB Silicones Co., Ltd.
Nanjing SiSiB Silicones Co., Ltd.
SINOSIL™ 9280
SINOSIL™ 9280

Thermally Conductive Silicone Encapsulant

SINOSIL™ 9280 is a two-part, addition-cure silicone thermally conductive encapsulant designed for potting and protecting electronic and electrical assemblies. It can be cured at room temperature or by heat acceleration to form a flexible silicone elastomer with good thermal conductivity, electrical insulation, and environmental durability.


SINOSIL™ 9280 is suitable for applications requiring both heat dissipation and long-term protection of sensitive electronic components.

SINOSIL™ 9280

Technical Data


Uncured at 25°C

Value

Mix ratio by weight/volume

1:1

Color - Part A

White

Color - Part B

Blue/Grey

Color - Mixed

Blue/Grey

Viscosity - Part A (mPa·s)

1,700-3,300

Viscosity - Part B (mPa·s )

1,500-3,100

Viscosity - Mixed (mPa·s )

1,900-3,500

Density (g/cm³)

1.57-1.77

Pot life at (25°C, hour)

> 2

After curing (Min. 30 min at 80°C)

Value

Hardness (Shore A)

40

Thermal conductivity (W/m·K)

1.2

Tensile strength (MPa)

Min.0.75

Elongation at break (%)

Min.40

Dielectric strength (kV/mm)

Min.10

Volume resistivity (Ω·cm)

Min.1×1014

UL Flammability Rating

V‑0

These values are typical and are not intended for use as specifications.

Application


SINOSIL™ 9280 is designed for potting and encapsulating electronic and electrical assemblies where both thermal management and environmental protection are required. Typical applications include photovoltaic inverters, energy storage systems, automotive electronics, inductors, magnetic components, high-power modules, and other industrial electronic devices requiring efficient heat dissipation, electrical insulation, and long-term reliability.

Packing and Storage


  • SINOSIL™ 9280 is supplied as a two-part system, with both Part A and Part B packaged in 25 kg pails.


  • Store SINOSIL™ 9280 in the original unopened containers in a cool, dry place away from direct sunlight and sources of heat. The shelf life is 6 months from the date of manufacture.

Documents

DownloadSINOSIL™ 9280 Technical Data Sheet
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SINOSIL™ 9280