Bonding Optical Components in Medical Devices

A customer is working on a medical device, which could be disposed or reused with the possibility of sterilization cycles. The device requires bonding of an optical lens using a single component system. Master Bond offers a wide range of UV curable compounds that are USP Class VI approved.

UV10Med /UV10TKMED: UV Curable Adhesives

Based on the assumption that the bonding area is fully accessible to UV light, Master Bond recommends UV10TKMED or UV10Med UV curable adhesive. Both these products are optically clear and fulfill the USP class VI specifications. The UV10TKMED also meets the ISO 10993-5 specifications.

The UV10Med UV curable adhesive provides extremely low viscosity than UV10TKMED, which provides moderate but flowable viscosity. These products can be employed in applications where sterilizations such as gamma radiation and ethylene oxide are involved. The UV10TKMED can even be used in applications where repeated sterilization processes such as autoclaving and steam sterilization are carried out. Most UV curing adhesives are not suitable for such applications. Specifications of UV10Med and UV10TKMED adhesives are given below:  

Product

Viscosity

USP Class VI

Optically Clear

Sterilizations

UV10Med

Very Low

Yes

Yes

Gamma, EtO and various chemical sterilants

UV10TKMED

Moderate

Yes

Yes

Radiation, ethylene oxide, chemical sterilants and autoclaving

Master Bond UV10Med is a multi-purpose, one part UV type system for bonding, sealing and coating that features superb optical clarity and excellent physical properties as well as a very low viscosity.

Master Bond UV10Med is a multi-purpose, one part UV type system for bonding, sealing and coating that features superb optical clarity and excellent physical properties as well as a very low viscosity.

Master Bond UV10TKMed is a higher viscosity UV system for bonding, sealing and coating that passes USP Class VI testing. It also meets the requirements of ISO 10993-5 for cytotoxicity.

Master Bond UV10TKMed is a higher viscosity UV system for bonding, sealing and coating that passes USP Class VI testing. It also meets the requirements of ISO 10993-5 for cytotoxicity.

Additional Products

Other products such as UV10, UV10TK40, and UV10TKLO-2 are used in certain applications where compliance with biocompatible standards is not important.  Specifications of these products are given below:

Product

Viscosity

NASA Low Outgassing

Optical Clarity

UV10

Very Low

No

Yes

UV10TK40

Moderate

No

Yes

UV10TKLO-2

High

Yes

Yes

Conclusion

If an adhesive needs to be optically clear and biocompatible, based on certain assumptions and the preferred viscosity range, Master Bond’s technical experts are available to provide suitable solutions for customers’ specific application needs.

About Master Bond Inc

Adhesives, sealants, coatings and potting / encapsulation compounds

Master Bond is a leading manufacturer of high performance adhesives, sealants, coatings, potting and encapsulation compounds and impregnation resins. Their product line consists of:

  • Epoxy Systems
  • Silicone Systems
  • LED/UV Curable Systems
  • Other specialty systems

Master Bond custom formulates products with specific performance properties designed for unique applications. These compounds exhibit the advanced properties required for a number of different industries, including the aerospace, medical, optical, electrical, electronics, OEM and other manufacturing industries.

Adhesive compounds meet specific performance property requirements

Master Bond custom formulates products with specific performance properties designed for unique applications.  Depending on the performance requirements needed, systems may be electrically conductive, electrically insulative, NASA low outgassing, resistant to high or low temperatures and thermal cycling, optically clear and so much more. Systems have been developed which offer high physical strength properties and outstanding chemical resistance even when applied on dissimilar or difficult to bond materials.  Master Bond products come in a variety of different curing processes, designed for easy processing and high reliability.

Certain systems are formulated to adhere to industry standards

Master Bond grades meet different certifications such as NASA low outgassing, UL 94V-0 and UL 94V-1 for flame retardancy, USP Class VI for disposable and reusable medical devices, FDA CFR 175.105 and CFR 175.300 for food processing equipment, and more.

Master Bond is proud of being at the forefront of developing new and innovative products.


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Last updated: Apr 30, 2019 at 5:05 AM

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