Product information "NOA 65 Optical Adhesive 1oz bottle"
Refractive Index 1.524;Â 1200 cpsÂ Viscosity at 25Â°C
Norland Optical Adhesive 65 ("NOA65") is a clear, colorless, liquid ph2otopolymer that will cure when exposed to ultraviolet light. Since it is a one part system and 100% solids, it offers many advantages in bonding of optical materials where the bonding surface can be exposed to light. The use of NOA 65 eliminates premixing, drying and heat curing operations common to other optical adhesive systems. Curing time is remarkably fast, and is dependent upon the thickness applied and the amount of ultraviolet light energy available.
The cured adhesive is very flexible and was designed to minimize strain. NOA 65 is especially suitable where the adhesive cross section would be relatively thick. NOA 65 has enough elasticity to keep strain to a minimum even when dissimilar materials with different coefficients of expansion are bonded together. Typical applications would be potting of lenses in metal mounts, bonding plastic to glass and cold blocking.
Typical Properties of NOA 65
Elongation at Failure
Modulus of Elasticity (psi)
Tensile Strength (psi)
Hardness - Shore D
-15 to 60Â° C
Shelf life of the liquid is at least 6 months from the date of shipment if stored in a cool (5-22Â° C), dark place in the original container. If refrigerated, allow the adhesive to come to room temperature prior to use.
1 oz Bottle
Viscosity at 25°C :
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