To make the product more dimensionally stable, carbon containing {HEAD ~ core sheets} are interleaved with {TAIL ~ non carbon containing kraft sheets}, the phenolic resin of which also contains ionic salt 
To make the product more dimensionally stable , carbon containing { HEAD ~ core sheets } are interleaved with { TAIL ~ non carbon containing kraft sheets } , the phenolic resin of which also contains ionic salt
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH