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NOA 61
Preferred adhesive for military optics. Meets MIL-A-3920. Used for optics exposed to temperature extremes. Low shrinkage.
Cure: UV
Adhesion To
Glass: Excellent
Metal: Excellent
Plastic: Fair
Typical Properties
Color: Clear
Viscosity at 25 Degrees C: 300 CPS
Refractive Index (Liquid): 1.52
Refractive Index (Cured): 1.56
Modulus PSI: 150,000
Tensile PSI: 3,000
Elongation at Failure: 38%
Shore D Hardness: 85