Specification met:
Meet ASTM D4727, Type CF, Class D, Variety SW
 
Material can be used for the following MIL-STD-2073-1 packaging codes
JA = ASTM-D4727, domestic fiberboard as a stiffener on one side of item
JB = ASTM-D4727, domestic fiberboard as a stiffener on both sides of item 
JC = ASTM-D4727, domestic fiberboard used as pads, cells, die cuts or sleeves
 
Certificate of conformance provided free of charge.