H.B. Fuller

Chemical Family: Epoxy & Epoxy Derivatives,

Epoxides
GBU: EA
RTU Product Type: 1K (1 component) Adhesive,

Epoxy Adhesive,

Reactive Adhesive,

Structural Adhesive

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

Markets → Industrial → Applications → Chemical & Industrial Manufacturing → Equipment & Parts

Technologies → Adhesives & Sealants → Product Families → Bonding Technology → 2K Liquid Reactive Adhesives

Technologies → Adhesives & Sealants → Product Families → Functional Adhesives → Structural Adhesives

Application Area: Electric Motors,

Tubes,

Air Conditioners,

Joints,

HVAC Applications,

Electric Vehicle (EV)
Compatible Substrates & Surfaces: Ceramic,

Metal

General Instructions

Surfaces to be bonded must be clean, dry and free of other contaminants.
Bring material to room temperature prior to dispensing.
Dispense without introducing bubbles.
Press flow time for the material is 60 to 80 seconds.
Allow to cure undisturbed until product is fully gelled or tack-free to the touch ensuring parts remain mated throughout the cure process.

Ready-to-Use Product Features: Chemical Resistant,

Excellent Water Resistance,

Good Sagging Resistance,

Good Solvent Resistance,

Good Thermal Stability,

Heat Resistance,

Thixotropic

Regional Availability

Glass Transition Temperature (Tg):

148 °C

Strain at Break:

1.5~4 %

Tensile Strength:

46.7 MPa

Cured Properties


	Value	Units	Test Method / Conditions
Coefficient of Thermal Expansion (alpha 1)	57.2	ppm/°C	-
Cure Time (offers high heat resistance and cures in via induction or infrared heating)	36	seconds	-
Elongation at Break	1.5 - 4	%	ASTM D638
Glass Transition Temperature	148	°C	-
Hardness	86	Shore D	ASTM D2240
Operating Temperature	- 40 to 205	°C	-
Overlap Shear Strength (at 50% RH, aluminum, acid etched)	22.1	MPa	ASTM D1002
Tensile Strength	46.7	MPa	ASTM D638
Thermal Conductivity	0.41	W/mK	-

Uncured Properties

Typical Properties

Rheological Properties


	Value	Units	Test Method / Conditions
Viscosity (at 25°C)	700,000 - 900,000	cPs	-

Appearance

Grey liquid paste

Storage Conditions: Product should be stored in a cool dry place out of direct sunlight.
Shelf Life: 12 Months (at 0°C), 6 months (at 23°C)

H.B. Fuller MP5401