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ASTM E990-13

Historical Revision

Standard Specification for Core-Splice Adhesive for Honeycomb Sandwich Structural Panels

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1.1 This specification covers core-splice adhesive for use with nonmetallic honeycomb cores in the fabrication of honeycomb sandwich panels used in relocatable structures. The adhesive shall be used for new production or depot repair. The adhesive shall be suitable for forming bonds that can withstand long combinations of stress, temperature, and relative humidity expected to be encountered in service. The adhesive shall be used for bonding core segments and for bonding core segments to edge members and to integral members in a honeycomb sandwich panel. The adhesive shall not allow the transfer of water from one part of the panel to another either through or along the line of the adhesive.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information 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.


This specification covers the requirements for core-splice adhesive for use with nonmetallic honeycomb cores in the fabrication of honeycomb sandwich panels used in relocatable structures. The adhesive shall be thermosetting, of film form, and capable of expanding to several times its original thickness and shall be cured at specific curing time, temperature, and pressure. Materials shall be tested for physical properties qualification which shall conform to water migration, volatility, expansion, sag, density, flexural shear strength or assembly compatibility, and tube shear or core splice integrity requirements. The adhesive shall be suitable for application to core material, edge members, and integral parts.


SDO ASTM: ASTM International
Document Number E990
Publication Date Oct. 1, 2013
Language en - English
Page Count 7
Revision Level 13
Supercedes
Committee E06.53
Publish Date Document Id Type View
Feb. 1, 2021 E0990-21 Revision
Oct. 1, 2013 E0990-13 Revision
Nov. 1, 2009 E0990-09 Revision
April 1, 2004 E0990-04 Revision
Jan. 1, 1993 E0990-98 Revision