Biocompatible, Nanosilica Filled LED Curable Adhesive
Master Bond LED405Med is a one part, nanofilled system that cures quickly upon exposure to a 405 nm LED light. It does not require a UV light source.
Master Bond LED405Med is a one component, LED curing adhesive system that
meets ISO 10993-5 cytotoxicity requirements for use in medical device assembly.
“Since this system does not need a UV light for curing it is intrinsically more
user friendly”, says Rohit Ramnath, Senior Product Engineer....
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Master Bond LED405Med is a one component, LED curing adhesive system that
meets ISO 10993-5 cytotoxicity requirements for use in medical device assembly.
“Since this system does not need a UV light for curing it is intrinsically more
user friendly”, says Rohit Ramnath, Senior Product Engineer. “LED405Med has a
nanosilica filler resulting in both lower shrinkage upon cure, as well as
greater dimensional stability with a coefficient of thermal expansion of 35-40
in/in x 10-6/°C. This product cures to a hardness of 65-75 Shore D,
indicating that it is not too stiff, thereby offering good toughness.”
LED405Med is optically clear, with a refractive index of 1.50, and offers
excellent light transmission properties. This electrically insulative system
features a high volume resistivity of more than 1014 ohm-cm and a
low dielectric constant of 4.2 at 60 Hz. It has good flowability with a
viscosity of 2,000-8,000 cps and can be used for bonding, sealing and coating.
LED405Med cures up to 0.125 inch thick and is suitable for small encapsulations
involving optical assemblies or other sensitive components.
This no-mix system cures fully tack-free upon exposure to a 405 nm
wavelength light source without any oxygen inhibition. In thinner sections,
full cures can be achieved in 30-45 seconds. The rate of cure depends upon the
intensity of the light source, the thickness of the adhesive layer and the
distance from the light to the adhesive. LED405Med is serviceable from -60°F to
+250°F and withstands gamma radiation as well as various chemical sterilants
including EtO.
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Published by Master Bond on Feb 05, 2019
Master Bond
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