CHAMPK

Duct tapes; Electric, thermal and acoustic insulators; Foils of metal for insulating; Insulating materials; Insulating refractory materials; Insulating tapes; Metal foil for insulation; Packing and insulating material; Rubber bags for merchandise packaging; Soundproofing materials; Window stops of rubber; Films and sheets made from plastic for use in the manufacture of circuit boards; Insulating and protective interlayer dielectric materials and coatings for use in integrated circuits, semiconductor devices, computer disk drives and other computer hardware