This part of JIS F 1034-2 specifies requirements for core materials for use in construction and for materials embedded in sandwich structures. Applies to boats with a hull length (LH) of 24m or less according to JIS F 0081.
JIS F 1034-2:2006 Referenced Document
ISO 1922:2001 Rigid cellular plastics - Determination of shear strength
ISO 1926 Rigid cellular plastics - Determination of tensile properties*, 2009-12-01 Update
ISO 844:2001 Rigid cellular plastics - Determination of compression properties
ISO 845:1988 Cellular plastics and rubbers; determinaiton of apparent (bulk) density
2006JIS F 1034-2:2006 Small craft -- Hull construction and scantlings -- Part 2: Materials: Core materials for sandwich construction, embedded materials