... agent, heat-resistant, safe, non-toxic, widely used in petroleum, chemical, printing and dyeing, painting, leather, pharmacy and food industry2. used ... agent, heat-resistant, safe, non-toxic, widely used in petroleum, chemical, printing and dyeing, painting, leather, pharmacy and food industry2. used ... .962-0.9720.965-0.9750.967-0.975Volatile content(≤) Daily Chemical Product