Adhesive chemicals for improving the performance and duration of chemical products for use in industry; Adhesive substances for use in industry; Adhesives for industrial purposes; Adhesives for industrial use; Adhesives for use in industry; Chemicals in the nature of sorbents; Curing agent for synthetic resin; Industrial gluing agents; Paper pulp; Polyurethane adhesives for industrial purposes; Silica gel; Synthetic amorphous silica gel for further processing in connection with the manufactur...