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Specialty Compounds RTP Company

Master Bond EP30D-7SPHT Two Component Epoxy
Categories: Polymer; Thermoset; Epoxy; Epoxy Adhesive

Material Notes: Key Features:
  • Superior toughness
  • Ambient temperature curing
  • Superb resistance to thermal cycling
  • Exceptional abrasion resistance
Product Description: Master Bond EP30D-7SPHT is a versatile two component flexibilized, urethane-modified epoxy featuring superior strength, toughness and abrasion resistance for high performance bonding, sealing, coating and potting applications. It combines the advantageous performance characteristics of epoxy resins such as strength, chemical resistance and adhesive qualities, with those of polyurethanes including toughness, abrasion resistance and flexibility. EP30D-7SPHT is formulated to cure at room temperature or more rapidly at elevated temperatures, with a forgiving 100 to 20 mix ratio by weight. It is 100% reactive and does not contain any solvents or diluents. The EP30D-7SPHT system cures with minimal linear shrinkage to form durable, high strength, toughened bonds. It has superior resistance to thermal cycling as well as thermal and mechanical shocks. EP30D-7SPHT has good resistance to chemicals such as water, fuels and oils. It is serviceable over the wide temperature range of -100°F to +350°F. Its adhesion to metals, glass, ceramics, composites, a variety of plastics and many rubbers is excellent. The cured elastomer is an electrical insulator. The color of Part A is translucent and Part B is amber. EP30D-7SPHT is widely used in the aerospace, electronic, electrical, electro-optic and specialty OEM industries.

Product Advantages:

  • Easy processing, forgiving 100:20 mix ratio by weight
  • Versatile cure schedules: ambient temperature or faster elevated temperature cures as required
  • Good bond strength to a wide variety of substrates
  • Superb resistance to thermal cycling and shocks
  • Excellent electrical insulation properties
  • Outstanding abrasion resistance

Information provided by Master Bond, Inc.

Vendors: Master Bond is a leading manufacturer of adhesives, sealants, coatings and potting compounds. Master Bond’s vast product line consists of over 3,000 epoxy, polyurethane, silicone, cyanoacrylate and latex adhesives that vary in viscosity, cure speed, strength, chemical resistance, electrical properties, etc. Our custom adhesives offer design flexibility and provide excellent bonding performance. Visit www.masterbond.com.

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Physical PropertiesMetricEnglishComments
Viscosity 50000 - 80000 cP50000 - 80000 cPPart A
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 90.0 - 10090.0 - 100
Tensile Strength 13.8 - 17.2 MPa2000 - 2500 psi
Elongation at Break >= 110 %>= 110 %
Tensile Modulus 0.241 - 0.448 GPa35.0 - 65.0 ksi
Adhesive Bond Strength 9.65 - 11.0 MPa1400 - 1600 psilap shear, aluminum to aluminum
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant 3.803.80
Dielectric Strength 17.7 kV/mm
@Thickness 3.17 mm
450 kV/in
@Thickness 0.125 in
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 177 °C351 °F
Minimum Service Temperature, Air -73.0 °C-99.4 °F
 
Processing PropertiesMetricEnglishComments
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
Working Life 20.0 - 30.0 min20.0 - 30.0 minafter mixing, 100 gram batch
Shelf Life 12.0 Month12.0 Monthin original, unopened containers
 
Descriptive Properties
Mixing ratio100:20Part A to B
ViscosityThixotropic pastePart B

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PMASTM5802 / 323319

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