Chemicals for use in industry and science; chemicals for use in industry and science, namely, Boron, Alumina, Aluminum oxides, Calcium carbide, aluminum and silicon carbide, Acetylene black, [ Vinyl chloride, Vinyl acetate alcohol, Acetic acid, Vinyl acetate, Ethyl benzene, ] Silicon nitride; chemicals for industrial purposes, namely, carbons, organic acids and their salts and esters; aliphatics; organic halogenides; [ alcohols, namely, Benzyl alcohol or alcohol for use in the manufacture of paints and other coatings; ] nitrogen compounds; chemical agents, namely, cement set accelerators, cement blending agents, chemical additives for inflating ettringite formation in cement, high-performance chemical additives for inflating ettringite and lime compound formation in cements, chemical additives for cementitious grout to prevent shrinkage, chemical additives for reducing the hardening time for cementitious materials, sprayable waterproofing chemical compositions for use on cement, cement repairing preparations in the nature of silicon resins, dust suppressing chemicals for use on cement, chemical additives for cement for increasing hardness; carbon black for industrial purposes, plant growth regulating preparations; adhesives, other than for stationery or household purposes; unprocessed plastics being plastics in primary form [, fertilizers ]

Electronic circuits, integrated circuits, printed circuit boards, substrates for electronic circuits in the nature of circuit boards, aluminum substrates for electronic circuits in the nature of circuit boards, ceramic substrates for electronic circuits in the nature of circuit boards, aluminum nitride substrates for electronic circuits in the nature of circuit boards, silicon nitride substrates for electronic circuits in the nature of circuit boards; radiation shielding sheets for electronic circuits; radiation shielding spacers for electronic circuits; electron emitters for operating electron microscopes

Raw or semi-worked rubber, synthetic rubber; semi-processed plastics, semi-processed plastic in the form of films, sheets, tubes, bars, or rods; chemical fiber thread and yarn not for textile use; [ asbestos; ] rock wool; slag wool for use as a building insulator and as an insulator for inside of car mufflers; electrical insulating materials; plastic carrier tapes and adhesive cover tapes as cushioning materials for the transport of electronic parts

Non-metallic minerals for building or construction; ceramic building materials, namely, mortar; bricks and refractory construction materials, not of metal; [ plastic building materials and synthetic building materials, namely, plastic down spouts, plastic underground sewer pipes, plastic U-shaped gutters; ]cement products, namely, alumina cement, Portland blast-furnace slag cement, silica cement, slag-lime cement, Portland cement, fly ash cement; unworked or partly worked non-metallic mineral materials for building or construction, namely, boards and powder of inorganic fiber exclusive of those of asbestos, alumina fiber boards, alumina fiber sheets, alumina fiber pipes