BITUMEN INSULATING MASTIC Russian patent published in 1998 - IPC

FIELD: anticorrosive materials. SUBSTANCE: mastic has the following components, wt.-%: oil bitumen, 98.5-91.0; butylrubber BK-1675, 0.5-3.0; summer fuel diesel, 1.0-6.0. Change of filling agent (rubber crumb) with the butylrubber plasticized with diesel fuel decreases mastic stirring time up to 1-1.5 h and provides preparing a homogeneous polymerbitumen composition. Mastic can be used for protection of different structures against underground and atmosphere corrosion in oil and gas processing industry. EFFECT: improved quality of mastic. 1 tbl, 3 ex