1
Chemicals used in industry, science, photography, agriculture, horticulture and forestry; chemical additives; chemical fillers; coating preparations included in Class 1 for inhibiting corrosion of metals; mineral fillers
2
Paints, varnishes, lacquers; preservatives against rust and against deterioration of wood; enamels and coatings in the nature of paints; colorants; metals in foil and powder form for painters and decorators; fillers for paints
17
Additives for plastics; fillers for plastics; fillers not included in any other class; insulating paints; reinforcing materials, not of metal for pipes; stopping and insulating materials; plastics in extruded form for use in manufacture; plastic materials in the form of sheets (non-textile), rods, blocks and of tubes, all for use in manufacture; non-metallic materials for packaging, for stopping and for insulating; asbestos, rubber and articles included in Class 17 made of such materials