Adhesives, Sealants, Coatings, Potting and Encapsulation Compounds for Optical Applications

Master Bond has the products and expertise you need. Master Bond solve problems and specialize in optical applications. Master Bond's line of products includes one and two component epoxies, silicones, polyurethanes and one component UV curable compounds. For rapid, room temperature curing applications we offer single part cyanoacrylates. Some of the outstanding features of our optical systems are excellent light transmission characteristics, superior non-yellowing properties along with a range of systems where the index of refraction ranges from a relatively low 1.43 up to 1.61. All Master Bond products have been carefully processed to exclude such potentially objectionable contaminants as chlorine and other halogens as well as sodium and related elements.

Formulation of High Performance Optical Adhesive Products

Master Bond's formulations are available for use in small to large quantities and are freshly prepared to ensure maximum shelf life. Particularly noteworthy are grades that offer exceptional water resistance, NASA low outgassing approval, high thermal stability and low stress properties. Additionally special compounds have low temperature/cryogenic serviceability, superior thermal conductivity and are able to withstand exposure to vibration, impact and shock.

Enhancing Optical Properties Utilizing Advanced Polymeric Materials

Master Bond works closely with both material suppliers and research institutes to utilize the most advanced polymeric materials. Master Bond offer innovative solutions and have developed many unique compounds to enhance performance properties and processing requirements. Of particular interest is Master Bond EP30-3, a two component epoxy with superior chemical resistance, optical clarity and serviceability up to 400°F. Another highly unusual compound is Master Bond EP37-3FLF. It has a very high flexibility, low viscosity, optical clarity and cures at room temperatures. One component UV14-3 provides fast cures at ambient temperatures upon UV light exposure and is easily removable by conventional solvents. It also possesses a very low index of refraction of 1.450. Master Bond UV18S has superb resistance to acids, bases and solvents and substantially less shrinkage upon cure than conventional UV cure systems. Water vapor permeability is also excellent.

Master Bond Adhesive Products for Optical Applications

The following table summarizes Master Bond's range of adhesives, sealants, coatings, potting and encapsulation compounds for optical applications.

Product

Description

EP30

Low viscosity, transparent epoxy system for bonding, sealing & coating; particularly fibers into a ferrule.

EP30-4

Rapid setting, transparent epoxy with excellent optical transmission properties.

EP30HT

Transparent, room temperature curable epoxy with superior heat resistance.

UV22

Nanosilica filled, UV curable system with excellent physical properties & superb dimensional stability.

UV15-DC80

High temperature resistant, dual cure system that cures by UV light and by heat at 80°C in shadowed out areas.

 

Typical Optical Applications for Master Bond Adhesive Products

Typical applications of Master Bond's range of adhesives, sealants, coatings, potting and encapsulation compounds products for optical applications include:

  • Fiber optics
  • LED's
  • LCD's
  • OLED's
  • PLED's
  • Displays
  • Lasers
  • Sensors
  • DVD's
  • Doming
  • Splicing
  • Replication
  • Glass fiber potting
  • Optical castings
  • Lens positioning
  • Glass fiber potting
  • Optical bonding
  • Optical potting
  • Temporary bonding
  • Imaging systems
  • Collimators
  • Laminating
  • Optic mounting
  • Pigtailing
  • Holograms
  • Couplings
  • Light guides
  • Ferrules
  • Wave guides
  • Beam splitters
  • IR detectors
  • High security potting
  • Bonding fibers to connectors
  • Optical connectors
  • Doublet bonding
  • Conformal coatings
  • Lenses & prisms
  • Glass/metal hermetic sealing
  • Optical replications
  • Fixturing and tacking
  • "Hard coats" on plastics
  • Plastic & glass fiber pottings
  • Bonding fibers into ferrules
  • Sealing perimeters of liquid crystal displays
  • Bonding fiber optic cable jacket connections
  • Coating optically sensitive components
  • Encapsulating optically clear components
  • Potting optically sensitive components

 

Important Optical Performance Requirements

Master Bond's range of optical products are designed to offer superior quality and long term durability. They have earned a well deserved reputation for their performance upon exposure to hostile environmental conditions. Select from a wide range of one and two component systems conveniently packaged for ease of use. These compounds are available for use in different viscosities, cure times, chemical resistance, electrical properties, colors, etc. to best meet specific requirements. They are presently employed in applications ranging from design and production to repair, maintenance and field service.

Master Bond's range of optical products are designed to meet specific performance requirements. Among the most important are:

  • Abrasion resistance
  • Allow for repairability
  • Chemically resistance
  • Cryogenically serviceable
  • Easily polished
  • Easily removed by water
  • Easily repairability
  • Electrically insulative
  • Excellent adhesion
  • High temperature resistance
  • Index of refraction
  • Low coefficient of expansion
  • Low outgassing
  • Low shrinkage
  • Dimensionally stability
  • Optical transmission
  • Low stress
  • Shock resistance
  • Non-yellowing
  • Resistance to water
  • Reworkable
  • Screen printable
  • Spectral transmittance
  • Spin coatable
  • Peel strength
  • Durability
  • Thermal cycling
  • Shock resistance
  • Thermal conductivity
  • Vibration resistance

Customized Packaging to Customer Specifications

Master Bond offer a wide array of packaging options to speed productivity, minimize waste and save energy including:

  • Quantities from grams to gallons
  • Cans, bottles and jars
  • Cartridges for manual and pneumatic guns
  • Premixed and frozen syringes
  • Bipaks for field service kit

Optical Adhesive Systems

EP37-3FLF
High-flexible, two component, room temperature curing epoxy system. Optically clear. Forgiving one to one mix ratio by weight or volume. Low exotherm upon cure. Serviceable from 4 K to 250° F.

EP30LTE-LO
Room temperature curing epoxy with extra low thermal expansion coefficient. NASA low outgassing approved. Unmatched dimensional stability. Thermal shock resistant.

UV15-7SP4
Single component, UV curable system. Non-yellowing and optically clear. Tough and durable. Low shrinkage upon cure. High bond strength.

UV16
One part, no mix system. Offers enhanced chemical resistance and superior physical strength properties. Easy application – low viscosity. Exception electrical insulation properties.

This information has been sourced, reviewed and adapted from materials provided by Master Bond Inc.

For more information on this source, please visit Master Bond Inc.

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