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This specification covers liquid optical adhesive for use in bonding glass to glass or other transparent adherends. The adhesive shall be in liquid form and free of solvent in order to avoid bubble formation in the adhesive layer. Each component shall be completely reactive. The adhesive may be heat-, catalyst-, or radiation-cured. Voltatility, color, viscosity, foreign particle content, refractive index, stability, light transmission, glass doublet preparation, environmental test, and bond strength tests shall be performed in accordance with the specified requirements.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers liquid optical adhesive for use in bonding glass to glass or other transparent adherends.
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are provided for information purposes only.
1.3 The following precautionary caveat pertains only to the test method portion, Section 6, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in 6.1.1.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D542 Test Method for Index of Refraction of Transparent Organic Plastics
D897 Test Method for Tensile Properties of Adhesive Bonds
D904 Practice for Exposure of Adhesive Specimens to Artificial Light
D907 Terminology of Adhesives
D1084 Test Methods for Viscosity of Adhesives
E308 Practice for Computing the Colors of Objects by Using the CIE System
UNSPSC Code 31201601(Chemical adhesives)
ASTM D2851-98(2009), Standard Specification for Liquid Optical Adhesive, ASTM International, West Conshohocken, PA, 2009, www.astm.orgBack to Top