NOA Series Photosensitive Adhesive NOA61
A transparent, colorless liquid photopolymer that cures under ultraviolet light. As a single-component, 100% solids material, it offers numerous advantages for bonding optical components wherever ultraviolet light can reach the bond. NOA61 eliminates the premixing, drying, or thermal curing commonly required by other optical bonding systems. It cures extremely quickly, with the time depending on application thickness and the ultraviolet energy received. NOA61 fully complies with the US federal military standard MIL-A-3920 for optical bonding materials and is approved for government procurement contracts for this adhesive type. The adhesive is designed to provide potentially the best optical bonds on glass, metals, fiberglass, and glass-filled plastics. It is recommended for bonding lenses, prisms, and mirrors and for terminating or splicing optical fibers in military, aerospace, and industrial optics. Compared with other optical bonding materials, NOA61 offers excellent light transmission, low shrinkage, and slight flexibility. These properties help users produce high-quality optical assemblies and maintain long-term performance as environmental conditions change. NOA61 cures under ultraviolet light and is particularly sensitive to wavelengths of 350nm-380nm. The recommended energy for full cure is 3 joules/square centimeter. Curing has no anaerobic reaction, so air-exposed areas become tack-free with sufficient ultraviolet exposure. Storage: keep in the original container, protected from light, at low temperature (5- °C), for a shelf life of 4 months. If refrigerated, allow the adhesive to return to room temperature before use. Handle carefully and first read the material safety data sheet, including information for associated products such as alcohol, acetone, or dichloromethane. Avoid prolonged skin contact and wash affected areas thoroughly with soap and water. If adhesive enters the eyes, rinse with water for 15 minutes and seek medical assistance. Use in a well-ventilated area. Supply: 1 ounce/tube.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Solid | 1 % |
| Viscosity at 25° | 3 cps |
| Refractive Index | 1.56 |
| Ultimate tensile strength | 38% |
| Hardness ShoreD | 85 |
Datasheet
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