This research is the study of the ability of the adhesive used for the interface between the core and cover plate in the product of a sandwich, the adhesive used in test 3 types of adhesive is an epoxy material, glue, and glue ลี่ยู neodymium speaker drivers, fiddle400 200 thick grease SS m.Coordinate with the compressed compressed the Pedro lick at room temperature for 8 hours and then test the mechanical properties for the resistance to carve with the standard ASTM C - 273 and the resistance to strangle the waves with the standard ASTM C 393 from the test found that glue, 3There is Treasure in the Use is the interface between the man with the core product in the test pieces as a sandwich will damage the core before the adhesive interface.and the resistance of the most stifling waves secondary. Is the glue, and glue ลี่ยู neodymium speaker drivers, and the fiddle.
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