1) laminating an aluminum layer subjected to {HEAD ~ chromium free chemical conversion treatment} to {TAIL ~ one side} of a polyolefin resin film , and 
to
1 ) laminating an aluminum layer subjected to { HEAD ~ chromium free chemical conversion treatment } to { TAIL ~ one side } of a polyolefin resin film , and
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH