Biocompatible, Nanosilica Filled LED Curable Adhesive

Jan. 28, 2019
Master Bond LED405Med is a one component, LED curing adhesive system that meets ISO 10993-5 cytotoxicity requirements for use in medical device assembly.

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.

More Information

Request a technical data sheet

Request a safety data sheet

Discuss your application

Sponsored Recommendations

Optical Power Meters for Diverse Applications

April 30, 2024
Bench-top single channel to multichannel power meters, Santec has the power measurement platforms to meet your requirements.

Request a quote: Micro 3D Printed Part or microArch micro-precision 3D printers

April 11, 2024
See the results for yourself! We'll print a benchmark part so that you can assess our quality. Just send us your file and we'll get to work.

Request a Micro 3D Printed Benchmark Part: Send us your file.

April 11, 2024
See the results for yourself! We'll print a benchmark part so that you can assess our quality. Just send us your file and we'll get to work.

Request a free Micro 3D Printed sample part

April 11, 2024
The best way to understand the part quality we can achieve is by seeing it first-hand. Request a free 3D printed high-precision sample part.

Voice your opinion!

To join the conversation, and become an exclusive member of Laser Focus World, create an account today!