Norland Optical Adhesive 138 is clear liquid adhesive that will cure when exposed long wavelength ultraviolet light. NOA 138 is recommended for bonding for glass to glass. Adhesion is also good to cellulose acetate butyrate. NOA 138 is cured by ultraviolet light between 315 to 395 nm. Full cure requires 6 Joules/cm 2 . The adhesive exhibits oxygen inhibition when used as a coating. To overcome this the adhesive must be cured under an inert atmosphere, such as nitrogen.
Refractive Index |
1.38 |
Temperature Range |
-15 C to 90° C |
Shore D | 50 |
Viscosity @ 25C |
20-40 cps |
Keep NOA 138 in a cool(5-22 ° C) dark place. If refrigerated, allow the adhesive to come to room temperature before using.
Care should be taken in handling the this material. The material Safety Data Sheet should be read for this product. Prolonged contact with skin should be avoided and affected areas should be washed thoroughly with copious amounts of soap and water. If adhesive gets into eyes, flush with water for 15 minutes and seek medical attention.
Manufacturer | Norland |
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Product Series | Norland Optical Adhesives (NOA) |
Product Type | Epoxies and Adhesives |
Industry | Aerospace and Defence, Medical, Optical Equipment Manufacturing (OEM), Photonics, Research |
Applications | OEM (Optical Equipment Manufacturing), Assembling and disassembling multi-element systems |
Warranty Notes | AusOptic Genuine Product Guarantee Authorised distributor, benefit from manufacturer-backed, local warranty coverage, genuine parts, and our experienced local support team |