Sealants for Optical Parts

Product number: SW11653

Manufacturer: NTT-AT

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Product information "Sealants for Optical Parts"

Shear Bond Strength to SUS > 50-207 kgf/cm²; Moisture Permeability 0.7x10-8-3x10-7 cc*cm/cm²*s*cmHg; Hardness 20-46 Shore D; Curing Conditions Room Temperature, 24 h, +80, +100 °C, 1 h; Thermal Expansion Coefficient 100-200 ppm/°C; Tg -55-+49 °C

NTT-AT’s series of sealants for optical parts is suitable for applications like sealing the openings and junctions, etc. of protective casings. These sealants do not contain phthalate ester which has been listed in the RoHS directive (EU)2015/863.

In order to increase the long-term reliability of mechanical protection, moisture prevention, etc., optical parts are housed in a protective case made of metal or plastic. Through the special features of NTT-AT’s two-component sealants used for the openings and junctions of protective cases, the reliability, especially moisture prevention reliability, is greatly expanded.

The low moisture permeability type sealants (OS5958 and OS5962) feature a low moisture permeability coefficient and thus very reliably shut out moisture (humidity), while the high-flexibility type sealants (OS5980 and OS-48) feature very little internal stress that would cause transmission loss in optical fiber.

For long-term trust, a product must clear the tests conducted by the users themselves. If you have been unsatisfied with conventional products in the past, please test out NTT-AT’s sealants.

In case you need any consulting regarding issues related to sealing or adhesion, please contact the AMS Technologies optical adhesives experts to discuss the detailed challenges of your application.

Key Features:

Two-component Sealants: Epoxy/Amine or Butylene/Butylene
Low Moisture Permeability: 0.7 x 10-8 to 3 x 10-7 cc*cm/cm²*s*cmHg
Low Moisture Permeation is Even at High Temperatures
High Flexibility
Low Stress on Inner Parts During Curing and Heat Cycle
Long Pot Life: 2, 3 h
Thermal Expansion Coefficient: 100 to 200 ppm/°C
Hardness: 20 to 46 Shore D
Shear Bond Strength to SUS: 44 to 207 kgf/cm²
Curing Conditions: Room Temperature, 24 h or +80 °C/+100 °C, 1 h
Colour (Pre-Curing): Transparent, White, Black
Glass Transition Temperature Tg: -55 to +49 °C

Applications: Sealing of Protective Casing for Optical Parts; Sealing of Electronic Components and General Electric Parts; Moisture Prevention; Assembly of All Types of Devices

Manufacturer "NTT-AT"

The Japanese company NTT Advanced Technology Corporation (NTT-AT) was founded in 1976 as a subsidiary of the NTT Group, the largest telecommunication provider in Japan. Its business now covers almost the entire range of the information and communication technologies. NTT-AT is ISO 9001 certified. NTT-AT’s products available from AMS Technologies include cleaning tools that reliably remove even the smallest contamination from end faces of optical fiber connectors, adapters or ferrules, but also fiber optics polishing films and equipment, various types of optical adhesives, ceramic micro heaters, swept light sources, varifocal lenses, KTN deflector modules or UVC LED modules and sterilization equipment.