Lord Adhesives Thermosetâ„¢ ME-542 Underfill Encapsulant

Category	Polymer , Thermoset , Epoxy , Epoxy Encapsulant, Unreinforced
Manufacturer	Lord Adhesives
Trade Name	Thermoset™
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Lord Adhesives Thermosetâ„¢ ME-542 Underfill Encapsulant.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

LORD Thermosetâ„¢ ME-542 encapsulant is an anhydridefree, thermally conductive, semiconductor grade epoxy underfill product developed for the encapsulation of densely populated area array flip chip devices. It is formulated with the necessary structural strength to handle over-molding processes.Thermoset ME-542 encapsulant is engineered to withstand 260Â°C peak reflow temperatures of lead-free solders.All information provided by Lord.

Physical Properties	Metric	English	Comments
Specific Gravity	1.90 g/cc	1.90 g/cc
Water Absorption	<= 0.80 %	<= 0.80 %
Viscosity	20000 cP @Temperature 25.0 Â°C	20000 cP @Temperature 77.0 Â°F	TA Rheometer

Mechanical Properties	Metric	English	Comments
Modulus of Elasticity	5.00 GPa	725 ksi	Storage
Shear Strength	62.0 MPa	8990 psi	Die

Thermal Properties	Metric	English	Comments
CTE, linear	30.0 Âµm/m-Â°C	16.7 Âµin/in-Â°F	Alpha 1
	120 Âµm/m-Â°C	66.7 Âµin/in-Â°F	Alpha 2
Thermal Conductivity	0.800 W/m-K	5.55 BTU-in/hr-ftÂ²-Â°F
Glass Transition Temp, Tg	135 Â°C	275 Â°F	TMA

Component Elements Properties	Metric	English	Comments
Potassium, K	0.00040 %	0.00040 %
Sodium, Na	0.00050 %	0.00050 %

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+15 ohm-cm @Temperature 25.0 Â°C	>= 1.00e+15 ohm-cm @Temperature 77.0 Â°F

Processing Properties	Metric	English
Cure Time	60.0 min @Temperature 165 Â°C	1.00 hour @Temperature 329 Â°F
	90.0 min @Temperature 150 Â°C	1.50 hour @Temperature 302 Â°F
Pot Life	2160 min @Temperature 25.0 Â°C	2160 min @Temperature 77.0 Â°F
Gel Time	3.00 min @Temperature 150 Â°C	3.00 min @Temperature 302 Â°F
Shelf Life	6.00 Month @Temperature -40.0 Â°C	6.00 Month @Temperature -40.0 Â°F

Descriptive Properties	Value	Comments
Appearance	Black
Chloride (%)	0.01
Consistency	Liquid

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