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Master Bond EP45HTAO Heat Resistant Epoxy for Structural Bonding

Category Polymer , Adhesive , Thermoset , Epoxy , Epoxy Adhesive
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 EP45HTAO Heat Resistant Epoxy for Structural Bonding.pdf
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Material Notes:
Description: Master Bond Polymer Compound EP45HTAO is a two component thermally conductive epoxy compound for high performance structural bonding, and casting. It is suitable for applications where long term exposure to temperatures from -60° to +500°F is required. lt is 100% reactive and does not contain any solvents or diluents. It is formulated to cure rapidly at elevated temperatures. It has a convenient 100 to 30 mix ratio, by weight. It produces high strength bonds at both ambient and elevated temperatures. Master Bond EP45HTAO can be applied without sagging or dripping on vertical surfaces. It produces durable high strength and tough bonds which are remarkably resistant to thermal cycling and chemicals including water, oil and most organic solvents over the exceptionally wide temperature range of - 60°F to more than +500°F. It also produces superior seals & high quality pottings. Adhesion to metals, glass, ceramics, wood, vulcanized rubber and many plastics is excellent. The hardened compound is an electrical insulator. Color of Part A is gray, part B is gray. Master Bond EP45HTAO is widely used in aerospace, electronic, electrical, computer, construction, metal working, appliance, automotive and chemical industries where a high thermally conductive bond is desired.Product Advantages: Convenient mixing: product properties relatively unaffected by small changes in mix ratio Easy application: contact pressure only required for cure, compound spreads evenly and smoothly; no drip application feature Convenient cure schedules: long pot life at room temperature, requires elevated temperature cure. High bonding strength to similar and dissimilar substrates Superior durability, thermal shock and chemical resistance Reactive and does not contain any solvents or diluents Resists ETO sterilization, chemical sterilants and repeated autoclaving. High thermal conductivityInformation provided by MasterBond®
Mechanical Properties Metric English Comments
Tensile Strength at Break 88.3 MPa
12800 psi
Compressive Strength >= 124 MPa
>= 18000 psi
Shear Strength >= 15.9 MPa
>= 2300 psi
Bond, Al to Al
Thermal Properties Metric English Comments
Thermal Conductivity 1.30 - 1.44 W/m-K
9.00 - 10.0 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 260 °C
500 °F
Minimum Service Temperature, Air -51.1 °C
-60.0 °F
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+15 ohm-cm
>= 1.00e+15 ohm-cm
Processing Properties Metric English Comments
Cure Time 120 - 180 min

@Temperature 135 - 163 °C
2.00 - 3.00 hour

@Temperature 275 - 325 °F
Pot Life >= 720 min
>= 720 min
200 gram batch
>= 720 min
>= 720 min
1 quart mass
Shelf Life 6.00 Month
6.00 Month
Descriptive Properties Value Comments
Mixing Ratio (A to B) 100/30
by weight
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