MOLDING POROUS MASS PRETTY FOR FILLING ACETYLENE BOTTLES

摘要

manufacture, transportation and use of bottled acetylene; manufacture of acetylene bottles. SUBSTANCE: molding porous mass "PRETTY" contains quarts sand, calcium hydroxide and basalt fiber whiskers. EFFECT: high mechanical stability against mechanical deformation; avoidance of shrinkage and change in porosity in the course of protraced operation; ecological safety.