Products and Services Adhesive Product SeriesCT-E3081 Two-component Thermally Conductive Epoxy Potting Compound

CT-E3081 Two-component Thermally Conductive Epoxy Potting Compound

CT-E3081 is a two-component epoxy thermal conductive potting compound.Component A of this product is a black viscous liquid primarily composed of epoxy resin and functional powders,while Component B is a white viscous liquid mainly consisting ofcycloaliphatic anhydride and functional powders.This product exhibits excellent fluidity,suitable for manual filling or automatic dispensing by dispensing machines.After curing,it demonstrates high bonding strength with materials such as 304 stainless steel,aluminum alloy,and PPS.

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Core Features

Mechanical Protection and Long-term Sealing

It provides robust mechanical support to resist impact, vibration and abrasion. It isolates moisture, dust, salt spray and chemical corrosion to ensure long-term stable operation of equipment.

Mechanical Protection and Long-term Sealing
Efficient Heat Dissipation & Thermal Management

Quickly dissipate heat from electronic components, prevent local overheating, and avoid performance degradation or failure.

Efficient Heat Dissipation & Thermal Management
High Voltage Insulation and Flame Retardant Safety

Forms a reliable insulating barrier with the highest flame retardancy grade UL94 V-0, eliminating risks of electric leakage and fire hazards.

High Voltage Insulation and Flame Retardant Safety

Features

High Hardness & Strong Adhesion

Hardness: Shore D > 90, features strong adhesion to metals and engineering plastics without peeling or cracking.
High Insulation & Flame Retardant

Dielectric strength ≥25 kV/mm, UL94 V‑0 flame retardant, safe and reliable under high voltage.
High Thermal Conductivity & Temperature Resistance

Thermal conductivity: 0.6–0.8 W/m·K, Tg ≥ 110°C, stable at high temperatures and low water absorption

Technical Parameters

	Item		Standard
Before solidification	Appearance	A Component	Black vscous iquid
	Appearance	B Component	Grey white iquid
	Viscosity	A Component	725000±5000MPa ·s
	Viscosity	B Component	35000±5000MPa ·s
	Density	A Component	1.75±0.05g/cm³
	Density	B Component	1.80±0.05g/cm³
	A:B Miving ratio		1:1
	Mixed viscosity 70℃		1500±500MPa ·s
	Operatin time 70℃		70min
After solidification	Density		1.80g/cm³
	Hardness		100 Shore D
	Glasstransition temperature		≥105℃
	Linear ceficient of hermal expansion		27.3μm/m · ℃
	Tensile strength		41MPa
	Elongation at break		0.30%
	Bending strength		66MPa
	Insulation failure strength		≥25KVmm
	Volume resistiviy		≥1.0×10Q ·cm
	Shearstrengh	A13003/A13003	≥6MPa
	Shearstrengh	PPS+GF	≥5MPa
	Dielectric constant		3.6
	Dielectric loss		0.7%
	Boiling water absorption rate Ih		<0.1%
	Thermal conductiviy		0.7~0.9W/m ·K
	Relative leakage index CTI		600V
	Flame retardant UL94		V-0

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Application Areas

New Energy Vehicle Electronics

Potting protection for core components such as film capacitors, on-board chargers, DC-DC converters and BMS.
Power Electronic Equipment

Protection for high-power IGBTs, frequency converters, photovoltaic inverters and power units of industrial power supplies
High-End Industrial Electronics

Sealing, thermal conduction and protection for various high-power and high-voltage electronic devices under harsh working conditions

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Product Specifications

1.50kg/set(Component A:25kg/barrel,Component B:25kg/barrel);
2.Customizable according to customer requirements.

Storage and Transportation

1.Store in a cool,dry,and light-protected place below 25℃,and keep sealed.
2.This product is composed of non-flammable and non-explosive materials and may be transported as general chemicals.During
transportation,precautions should be taken to avoid direct sunlight exposure,compression,and impact to prevent leakage.
3.The shelf life of this product is 6months.

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