Stopping materials, namely, sealant compounds for joints; gasket material in sheets for use in manufacturing and industrial uses; sealants for buildings; caulking compounds for sealing cracks; sealing agents for use in the construction industry, namely, adhesive sealant compounds; insulators for electric mains; caulking compounds; insulating materials; insulating refractory materials; non-conducting materials for retaining heat, namely, insulating materials; sealant compounds for joints; filt...