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Flame Retardant adhesives

Master Bond EP21FRSPLV Two Component Flame Retardant Epoxy
Categories: Polymer; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced

Material Notes: Key Features:
  • Good flow properties
  • Ambient temperature curing
  • Red color
  • Meets UL 94V-0 flame retardant specifications
  • Ideal for potting and encapsulation applications
  • Excellent resistance to water and chemicals
Product Description: Master Bond Polymer System EP21FRSPLV is a two component, room temperature curable, flame resistant compound for potting, encapsulating and casting. EP21FRSPLV has a one to one mix ratio, by weight. The cured resin system features durability, toughness and high strength properties. It is remarkably resistant to thermal cycling and many chemicals including fuels, lubricants, water, acids, alkalis and salts. As per UL 94V-0 specification it is serviceable over the exceptionally wide temperature range of -51°C to 90°C. Its adhesion to metals, glass, ceramics and many plastics is excellent. The hardened compound is an electrical insulator. Color of Part A is red; color of Part B is white. EP21FRSPLV is used in applications in the computer, aerospace and related industries.

Product Advantages:

  • Convenient mixing; one to one mix ratio; by weight
  • Versatile cure schedules; ambient temperature cures
  • Good flow properties; excellent for potting and Encapsulation
  • Superior durability; thermal shock resistance, excellent resistance to fuels and lubricants
  • Complies with UL 94V-0 flame retardant specification
  • Red color for easy identification
  • . Official UL temperature rating of 90°C

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 22000 - 36000 cP22000 - 36000 cPPart A
 32000 - 45000 cP32000 - 45000 cPPart B
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D >= 75>= 75
Tensile Strength >= 20.7 MPa>= 3000 psi
Adhesive Bond Strength >= 9.65 MPa>= 1400 psiTensile lap, Aluminum to Aluminum
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant 4.5
@Frequency 60 Hz
4.5
@Frequency 60 Hz
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 90.0 °C194 °F
Minimum Service Temperature, Air -51.1 °C-60.0 °F
Flammability, UL94 V-0V-0
 
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 45.0 - 75.0 min45.0 - 75.0 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 Ratio1:1 by weightParts A to 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.

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PMASTM823 / 185416

Flame Retardant adhesives

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