Mastics for sealing joints; all for pipes, pipelines, storage tanks and joints formed therebetween; preservatives against corrosion in the nature of non-metal anti-corrosive bands for pipelines, pipes, storage tanks and pipe fittings; Sealing preparations, namely adhesive sealant compounds and sealant compounds for joints in paste, mastic and primer form for pipes, pipelines, storage tanks and pipe fittings; Plastic and elastic sealing compounds, namely, adhesive sealants in the nature of bin...