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Master Bond EP30HT-LO NASA Low Outgassing, Optically Clear Coating

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 EP30HT-LO NASA Low Outgassing, Optically Clear Coating.pdf
Price EMAIL US    sales@lookpolymers.com
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Material Notes:
Description: Master Bond EP30HT-LO is a moderate viscosity, two component epoxy adhesive formulated to cure at room temperature or more rapidly at elevated temperatures, with a four to one mix ratio by weight. This is a version of EP30HT that has passed the rigorous testing for NASA low outgassing based on ASTM E595. It is 100% reactive and does not contain any solvents or other volatiles. EP30HT-LO cures rigid with dimensional stability and good physical strength properties. The shrinkage upon curing is very low—less than 0.1%. Most notably, EP30HT-LO also combines good high temperature resistance with excellent optical clarity. EP30HT-LO has good chemical resistance to oil, fuels, acids, bases, salts and solvents. Its temperature range is from -60°F to +400°F. EP30HT-L O has excellent adhesion to a variety of materials including metals, glass, ceramics and many rubbers and plastics. It is a good electrical insulator and can be readily used for smaller encapsulation applications. To optimize the properties for outgassing applications, it is recommended to post cure this system for 2 hours at 150-200°F. It is widely used in the aerospace, electronic, vacuum, optical, fiber-optic and OEM industries. Product Advantages: Convenient handling and easy to apply. High mechanical strength, excellent structural adhesive. Good optical clarity, high light transmission properties. Outstanding electrical insulation properties. Good chemical and temperature resistance. Forms dimensionally stable, rigid bonds. Meets NASA low outgassing requirements.Information provided by MasterBond®
Physical Properties Metric English Comments
Viscosity 250 - 500 cP
250 - 500 cP
Part B
55000 - 110000 cP
55000 - 110000 cP
Part A
Mechanical Properties Metric English Comments
Hardness, Shore D >= 75
>= 75
Tensile Strength at Break 68.9 MPa
10000 psi
Shear Strength >= 20.7 MPa
>= 3000 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
Optical Properties Metric English Comments
Refractive Index 1.54
1.54
Transmission, Visible 90 %
90 %
clear; thickness not quantified
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+15 ohm-cm
>= 1.00e+15 ohm-cm
Dielectric Constant 3.5

@Frequency 60.0 Hz,
Temperature 25.0 °C
3.5

@Frequency 60.0 Hz,
Temperature 77.0 °F
Dielectric Strength 17.3 kV/mm
440 kV/in
Dissipation Factor 0.0050

@Frequency 60.0 Hz,
Temperature 25.0 °C
0.0050

@Frequency 60.0 Hz,
Temperature 77.0 °F
Processing Properties Metric English Comments
Cure Time 120 - 180 min

@Temperature 93.3 °C
2.00 - 3.00 hour

@Temperature 200 °F
720 min

@Temperature 23.9 °C
12.0 hour

@Temperature 75.0 °F
followed by 2 hours at 150-200°F
1440 - 2880 min

@Temperature 23.9 °C
24.0 - 48.0 hour

@Temperature 75.0 °F
Pot Life 25 - 40 min
25 - 40 min
100 gram batch
Shelf Life 12.0 Month

@Temperature 23.9 °C
12.0 Month

@Temperature 75.0 °F
in original unopened container
Descriptive Properties Value Comments
Mixing Ratio (A to B) 4:1
by weight
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