H.B. Fuller EV Therm 601

Identification

Chemical Family

Acrylics & Acrylates

GBU

EA

RTU Product Type

1K (1 component) Coating,

Radiation Curable Coating,

Conductive Coating

Categories

Markets → Automotive & Transportation → Applications → Automotive → Electrical & Electronic Systems

Markets → Electrical & Electronics → Applications → Packaging & Assembly → Electronics Coatings

Markets → Electrical & Electronics → Applications → Parts & Components → Batteries

Technologies → Ready-to-Use Products → Product Families → Paints & Coatings → Protective Coatings

Applications

Application Area

Electronic Components,

Batteries,

Electric Vehicle (EV)

Compatible Substrates & Surfaces

Metal,

Plastics

Applications & Uses

Clean-Up

• EV Therm 601 must be agitated before use and continuously during use to maintain uniformity of the material.
• Equipment, brushes, and spillage can be cleaned promptly after use with isopropyl alcohol, MEK, or acetone.

Features

Ready-to-Use Product Features

Electrically Insulating,

Flame Retardant,

Good Adhesion,

High Dielectric Strength,

LED-curable,

Low Viscosity,

Rapid Cycle Time,

Thermally Conductive,

UV Curable,

Fast Cure,

Low Surface Tension,

Room Temperature Curing

Features & Benefits

Features and Benefits

• One Component System for ease of application
• Low viscosity and surface tension make it easy to dispense and degas, with reduced air bubbles.
• Extremely low cure time allowing for improved production and cycle time
• Thermally conductive.
• High Dielectric Strength for Excellent Electrical Insulation
• Very good adhesion to various metals and plastics without the need for primers.
• Superior low and high temperature cycling performance.
• This material is designed to meet the flammability requirements of UL-94 VO.

Packaging & Availability

Packaging Type

Drums,

Pails

Regional Availability

• Asia Pacific
• Europe
• North America
• Latin America
• India/MiddleEast/Africa (IMEA)

Available Packaging

• 5 gal Pails
• 55 gal Drums

Physical Properties

Color (Properties)

Grey

Physical Form

Liquid

Appearance

Grey low viscosity liquid

Properties

Density:

1930 kg/m³

Dielectric Strength:

57 kV/mm

Specific Gravity:

1.93

Viscosity:

2500 cps

Cured Properties

	Value	Units	Test Method / Conditions
Dielectric Strength	57	kV/mm	ASTM D-0149
Glass Transition Temperature	-6	°C	DSC
Hardness	50	Shore D	ASTM D2240
Surface Resistivity	1.8 x 10¹²	ohm	ASTM D-0257
Thermal Conductivity	1.8	W/mK	-
Volume Resistivity	1.9 x 10¹¹	Ω-cm	ASTM D-0257

Electrical Properties of Cured Material

	Value	Units	Test Method / Conditions
Dielectric Constant (at 1 MHz)	4.72	-	ASTM D-0150
Dissipation Factor (at 1 MHz)	0.038	-	ASTM D-0150

Uncured Properties

	Value	Units	Test Method / Conditions
Specific Gravity	1.93	-	D792/D1475
Viscosity	2500	cPs	-

Physical Properties of Cured Material

	Value	Units	Test Method / Conditions
Curing (UVA)	1000	mJ/cm²	-

Typical Properties

	Value	Units	Test Method / Conditions
Storage Temperature	25	°C	-

Appearance

Grey low viscosity liquid

Storage & Handling

Storage Conditions

EV Therm 601 should be stored in a cool, dry place, and must be protected from light. Shelf life is a minimum of one year in unopened containers when stored at 25°C. DO NOT purge opened containers with nitrogen.

Shelf Life

1 year (at 25°C, if sealed and protected from light)

Technical Details & Test Data

Curing Profile

EV Therm 601 can be cured at room temperature using UVA light (315-400 nm) with a minimum energy of 1,000 mJ/cm2. Curing can be performed with metal halide, mercury, or LED lamps. Depending on UVA light intensity, cure speed can be less than 1 minute.