Master Bond EP21FRNS-2 Two Component, Flame Resistant Epoxy System

Category	Polymer , Thermoset , Epoxy , Epoxy Encapsulant, Unreinforced , Epoxy, Cast, Unreinforced
Manufacturer	Master Bond Inc.
Trade Name
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Master Bond EP21FRNS-2 Two Component, Flame Resistant Epoxy System.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Master Bond Polymer System EP21FRNS-2 is a two component, room temperature curing, flame retardant compound for potting, encapsulating and casting. Particularly noteworthy are its low smoke generation and that it contains a non-halogenated filler. It has a convenient one to one mix ratio by weight. EP21FRNS-2 offers exceptional durability, toughness and strength. It is remarkably resistant to thermal cycling and many chemicals including water, fuels, lubricants, acids, among others. As per the UL 94V.0 specification, this system is serviceable over the wide temperature range of -51°C to 90°C. It bonds well to metals, glass, ceramics and many plastics.

Physical Properties	Metric	English	Comments
Viscosity	30000 - 45000 cP	30000 - 45000 cP	Part B
	40000 - 70000 cP	40000 - 70000 cP	Part A

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	>= 75	>= 75
Tensile Strength	>= 20.7 MPa	>= 3000 psi
Adhesive Bond Strength	>= 8.27 MPa	>= 1200 psi	shear, Al/Al

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	32.2 °C	90.0 °F
Minimum Service Temperature, Air	-46.1 °C	-51.0 °F

Electrical Properties	Metric	English	Comments
Dielectric Constant	4.5 @Frequency 60.0 Hz	4.5 @Frequency 60.0 Hz

Processing Properties	Metric	English	Comments
Cure Time	120 - 180 min @Temperature 93.3 °C	2.00 - 3.00 hour @Temperature 200 °F
	2880 - 4320 min @Temperature 23.9 °C	48.0 - 72.0 hour @Temperature 75.0 °F
Pot Life	90 - 150 min	90 - 150 min	100 grams
Shelf Life	12.0 Month @Temperature 23.9 °C	12.0 Month @Temperature 75.0 °F	in original unopened containers

Descriptive Properties	Value	Comments
Mixing Ratio (A to B)	1:1

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