Rubber, raw or semi-worked; Shock-absorbing buffers of rubber for industrial machinery; Plastic composite material in the form of boards for use in manufacturing; Insulating interlayer dielectric coatings for use in integrated circuits, semiconductor devices, computer disk drives and other computer hardware; Insulators for cables; Insulating materials; Foils of metal for insulating; Waterproof packings for electronic devices use; Stuffing of rubber or plastic; rubber bags for merchandise packaging; Packing materials of rubber or plastics; Substances for insulating buildings against moisture; Insulating gloves; plastic film other than for wrapping, namely, plastic film for packing, cushioning, or stuffing purposes