Ultra heat-resistant filmsPolyimide film UPILEX® comprehensive UPILEX®-S UPILEX®-RN UPILEX®-VT, NVT UPILEX®-SGA Covering, coating materialsPolyimide varnish UPIA® (U-varnish) comprehensive UPIA®-AT, ST (U-varnish- A, S) UPIA®-LB Polyimide Powder UIP Monomer a-BPDA (2,3,3',4'-BIPHENYL TETRACARBOXYLIC DIANHYDRIDE)