Ultra-low viscosity, biocompatible epoxy boosts optical clarity

MASTER BOND EP4CL-80Med is a one part, optically clear epoxy developed for use in medical device assembly applications. Product withstands repeated sterilization cycles and passes ISO 10993-5 testing for non-cytotoxicity. Product cures at moderate temperatures of around 80-85°C within 60 to 90 minutes and faster at slightly higher temperatures. As a one part, non-premixed and frozen system, product contains no solvents, and has an ‘unlimited’ working life at room temperature. Suitable for bonding, sealing, impregnating, and coating, it provides a high glass transition temperature of 155-160°C and has an extremely low viscosity of 50-150 cps at 25°C. This allows it to be applied by brushing, spraying, and spin coating. Product provides notable strength properties including a compressive strength of 12,000-14,000 psi and a high tensile modulus of 450,000-500,000 psi at room temperature. It is serviceable over the temperature range of -62°C to +232°C.

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