... material, smoke suppressant in plastics, a reinforcing agent in neoprene rubber, a drying agent, a laxative to loosen the bowels, and ... often referred to as 'chalk', is used as a drying agent for hands in rock climbing, gymnastics, and weight lifting. ... 75% maxColour of solutionB4 maxChloride0.07% max***Honor: Top 100 Imp & Exp enterprises of Hangzhou in 2009 Top 100 innovation- oriented export ...