Bitumen plugs for sealing holes remaining after drilling cores from asphalt surfaces comprise blown bitumen, hydrocarbon resin and ethylene/vinyl acetate copolymer

摘要

Bitumen plugs for sealing holes remaining after drilling cores from asphalt surfaces comprise 55-90 wt.% blown bitumen, 10-35 wt.% hydrocarbon resin, 10-45 wt.% ethylene/vinyl acetate copolymer (EVA) and 0-10 wt.% powdered stone.