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Metal adhesives

Master Bond EP30F Two Part Epoxy
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy Adhesive; Epoxy Encapsulant, Unreinforced

Material Notes: Key Features:
  • Superb optical clarity
  • Fast setting
  • Low viscosity
  • High bonding strength to a wide variety of substrates
Product Description: Master Bond EP30F is a low viscosity, two component epoxy system for high performance bonding, coating, sealing, potting and encapsulation. It readily cures at room temperature or more rapidly at elevated temperatures, and has a four to one mix ratio by weight. EP30F is a fast setting system that typically has a handling time of 25-30 minutes. This adhesive is 100% reactive and does not contain any solvents or diluents. EP30F has outstanding physical strength properties along with highly reliable electrical insulation characteristics. This dimensionally stable system has very low linear shrinkage after cure, less than 0.003 in./in. EP30F possesses very good optical clarity along with superior light transmission when compared to many other epoxies. EP30F bonds well to a variety of substrates including metals, glass, and ceramics, as well as many plastics and rubber materials. EP30F forms high strength, rigid bonds that resist chemicals including water, oils and fuels. Its low viscosity enables this system to be used for special gap filling applications where space is limited. Master Bond EP30F is widely used in electronic, electrical, optical, fiber-optic, aerospace and related industries, particularly where low viscosity and faster curing are desirable.

Product Advantages:

  • Easy to use mix ratio—four to one by weight
  • Easy application: only contact pressure required while curing; adhesive spreads readily
  • Versatile cure schedules: ambient temperature cures or faster at higher temperatures
  • Low viscosity; ideal for gap filling applications and smaller encapsulations
  • Exceptional physical strength and electrical insulation properties
  • Relatively short fixture time

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 300 - 700 cP300 - 700 cPPart A
 2000 - 4000 cP2000 - 4000 cPPart B
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D >= 75>= 75
Tensile Strength >= 65.5 MPa>= 9500 psi
Tensile Modulus >= 2.76 GPa>= 400 ksi
Adhesive Bond Strength >= 20.7 MPa>= 3000 psiTensile lap, Aluminum to Aluminum
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 1.00e+15 ohm-cm>= 1.00e+15 ohm-cm
Dielectric Constant  3.55
@Frequency 60 Hz
3.55
@Frequency 60 Hz
 3.55
@Frequency 1000 Hz
3.55
@Frequency 1000 Hz
Dielectric Strength 17.3 kV/mm
@Thickness 3.17 mm
440 kV/in
@Thickness 0.125 in
Dissipation Factor  0.0050
@Frequency 60 Hz
0.0050
@Frequency 60 Hz
 0.0060
@Frequency 1000 Hz
0.0060
@Frequency 1000 Hz
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 121 °C250 °F
Minimum Service Temperature, Air -51.1 °C-60.0 °F
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.571.57
 
Processing PropertiesMetricEnglishComments
Cure Time  60.0 - 90.0 min
@Temperature 93.3 °C
1.00 - 1.50 hour
@Temperature 200 °F
 1440 - 2160 min
@Temperature 23.9 °C
24.0 - 36.0 hour
@Temperature 75.0 °F
Working Life 10.0 - 20.0 min10.0 - 20.0 minAfter mixing, 100 g batch
Shelf Life 12.0 Month
@Temperature <=23.9 °C
12.0 Month
@Temperature <=75.0 °F
in original, unopened containers
 
Descriptive Properties
Mixing Ratio4:1 by weightParts A to B

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PMASTM860 / 185453

Metal adhesives

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