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Master Bond EP65HT Fast Setting Epoxy Resists High Temperatures

Category Polymer , Adhesive , Thermoset , Epoxy , Epoxy Adhesive
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 EP65HT Fast Setting Epoxy Resists High Temperatures.pdf
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Material Notes:
Description: Master Bond EP65HT represents a highly innovative advance in epoxy technology in that it features the unusual combination of very fast cures and high temperature resistance. While typical fast setting epoxies normally possess glass transition temperatures (Tg) below 85°C, EP65HT has an exceptional Tg of approximately 130-135°C. In addition, unlike typical fast cure epoxies, EP65HT retains fast setup times even when mixed in relatively small masses. EP65HT normally will setup in 8-14 minutes in 10-20 gram masses. A full cure normally occurs within a few hours with exceptionally high tensile shear strengths of over 2,500 psi. This system offers good physical properties, including low shrinkage upon cure, excellent dimensional stability, high modulus and tensile strength. The service temperature range is -60°F to +400°F. EP65HT offers great electrical insulation properties and a strong chemical resistance profile. EP65HT bonds well to a wide variety of substrates including metals, glass, ceramics, vulcanized rubbers and many plastics. Dispensing EP65HT has been tremendously facilitated by the development of a dispensing gun capable of mixing fast setting materials with a ten to one mix ratio. This system is 100% reactive and does not contain any solvents or other volatiles. Part A is clear, and Part B is dark brown in color. It is widely used for both manufacturing and prototyping in the aerospace, electronic, computer, optical, automotive and fiber-optic industries as well as OEM applications pertaining to vacuums and clean rooms.Product Advantages: Very fast setting and curing even in small masses; short fixturing time. Exceptionally high heat resistance. Good physical strength properties especially bonding strength. Good electrical insulation properties. Excellent environmental and chemical resistance profile. Available with convenient dispensing gun.Information provided by MasterBond®
Physical Properties Metric English Comments
Viscosity 8000 - 10000 cP
8000 - 10000 cP
Part B
55000 - 110000 cP
55000 - 110000 cP
Part A
Mechanical Properties Metric English Comments
Hardness, Shore D 75 - 85
75 - 85
Tensile Strength at Break >= 51.7 MPa
>= 7500 psi
Tensile Modulus >= 3.10 GPa
>= 450 ksi
Shear Strength >= 17.2 MPa
>= 2500 psi
Bond, Al to Al
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 204 °C
400 °F
Minimum Service Temperature, Air -51.1 °C
-60.0 °F
Glass Transition Temp, Tg 130 - 135 °C
266 - 275 °F
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+14 ohm-cm
>= 1.00e+14 ohm-cm
Dielectric Constant 4.1

@Frequency 60.0 Hz,
Temperature 25.0 °C
4.1

@Frequency 60.0 Hz,
Temperature 77.0 °F
Processing Properties Metric English Comments
Cure Time 360 - 600 min

@Temperature 23.9 °C
6.00 - 10.0 hour

@Temperature 75.0 °F
Gel Time 8.00 - 14.0 min
8.00 - 14.0 min
Shelf Life 6.00 Month
6.00 Month
unopened containers
Descriptive Properties Value Comments
Mixing Ratio (A to B) 10:1
by weight
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