2-Part Epoxy Offers Chemical, Abrasion & High Temperature Resistance


Featuring a silicon carbide filler, Master Bond Supreme 45HTQ-4 is a toughened epoxy for high performance bonding, sealing, coating and casting. This specialty system can be used for a wide variety of special industrial, aerospace, OEM and oil processing applications, especially in downhole situations.

Supreme 45HTQ-4 has the unique combination of exceptional chemical, temperature and abrasion resistance. Serviceable from -100°F to +450°F, it is capable of withstanding rigorous thermal cycling.



  • high tensile lap shear of 1,400-1,600- psi
  • compressive strength of 24,000-26,000 psi
  • tensile strength of 8,000-9,000 psi
  • dielectric constant at 60 Hz of 4.6
  • volume resistivity exceeding 1014 ohm-cm
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