Master Bond EP21LV35Med Two Component, Flexible USP Class VI Epoxy System

Category	Polymer , Thermoset , Epoxy , Epoxy Encapsulant, Unreinforced , Epoxy, Cast, Unreinforced
Manufacturer	Master Bond Inc.
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Master Bond EP21LV35Med Two Component, Flexible USP Class VI Epoxy System.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Master Bond Polymer System EP21LV3/5Med is a two part, low viscosity epoxy resin system for high performance bonding, sealing, coating, encapsulation and casting that cures flexible. It cures readily at room temperature and more quickly at elevated temperatures. It has a forgiving 3 to 5 mix ratio by weight or volume. EP21LV3/5Med produces tough, high strength, durable bonds which hold up very well to thermal cycling and resist many chemicals including cold sterilants, water, oils, fuels, acids, bases and salts.

Physical Properties	Metric	English	Comments
Viscosity	8000 - 9000 cP	8000 - 9000 cP	Mixed

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	65	65
Tensile Strength	>= 42.7 MPa	>= 6200 psi
Elongation at Break	>= 23 %	>= 23 %
Tensile Modulus	1.93 GPa	280 ksi
Adhesive Bond Strength	>= 13.2 MPa	>= 1920 psi	shear, Al/Al, after 30 days water immersion
	>= 13.8 MPa	>= 2000 psi	shear, Al/Al
Peel Strength	>= 1.23 kN/m	>= 7.00 pli

Thermal Properties	Metric	English
CTE, linear	65.0 µm/m-°C	36.1 µin/in-°F
Maximum Service Temperature, Air	121 °C	250 °F
Minimum Service Temperature, Air	-62.2 °C	-80.0 °F

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+14 ohm-cm	>= 1.00e+14 ohm-cm
Dielectric Constant	3.15 @Frequency 1000 Hz	3.15 @Frequency 1000 Hz

Processing Properties	Metric	English	Comments
Cure Time	120 - 180 min @Temperature 93.3 °C	2.00 - 3.00 hour @Temperature 200 °F
	1440 - 2880 min @Temperature 23.9 °C	24.0 - 48.0 hour @Temperature 75.0 °F
Pot Life	60 - 85 min	60 - 85 min	200 gram mass
Shelf Life	6.00 Month @Temperature 23.9 °C	6.00 Month @Temperature 75.0 °F	in unopened containers

Descriptive Properties	Value	Comments
Mixing Ratio (A to B)	3:5

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