Standard Specification for Nonmetallic Honeycomb Core for Use in Shelter Panels
NORMA vydána dne 1.2.2021
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Designation standards: ASTM E1091-21
Publication date standards: 1.2.2021
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM
This specification is for nonmetallic honeycomb core used in the manufacture of adhesively bonded sandwich panels for tactical shelters. Five types of nonmetallic honeycomb material are specified: type I - honeycomb for use in panels which are required to have a high load-carrying capability that could not be adequately met using any of the other type; type II - honeycomb for use in panels which are required to have a load-carrying capability that could not be adequately met by using materials of any of types III, IV, or V; type III - honeycomb for general use in panels where the higher performances of types I, II, and IV materials are not required; type IV - honeycomb similar to type II but with slightly lower performance; and type V - honeycomb similar to type III but with slightly lower performance. The density, honeycomb core shear, honeycomb core compression, honeycomb core cyclic aging, honeycomb core brittleness impact, flatwise tensile, and pH shall be tested to meet the requirements prescribed. The fungus resistance test, thermal resistance test, shear modulus test, core compressive modulus test, water migration resistance test, flame resistance test, and dimensional examination shall be performed to meet the requirements prescribed.
Keywords:
adhesive bond, aluminum facing, honeycomb, honeycomb sandwich panels, nonmetallic honeycomb core, relocatable shelters,, ICS Number Code 91.060.20 (Roofs)