Toughened one-part epoxy withstands thermal cycling

MASTER BOND EP17TF one-part epoxy with a paste consistency, can be readily dispensed evenly and uniformly. Product has a moderately high glass transition temperature (Tg) of 150-155°C and a wide service temperature range from -150°F to +550°F. Designed to compensate for thermal mismatches, compound resists impact, vibration, shock and rigorous thermal cycling. Product is a reliable electrical insulator, possessing a volume resistivity greater than 1015 ohm-cm and a dielectric constant of 4.5 at 60Hz at room temperature. It maintains its electrical insulation properties, even at higher temperatures. The system delivers toughness with an elongation of 5-10%. EP17TF exhibits improved strength properties, bonding well to similar and dissimilar substrates such as metal, ceramics, plastics and composites. It offers a high lap shear strength of 3,200-3,400 psi, a tensile strength of 8,000-9,000 psi and a tensile modulus of 350,000-400,000 psi at 75°F.

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