It is 20%Long Glass Fiber Filled Nylon 6,which is widely used in electromechanical industry and petrochemical industry, such as various terminals,electric tool housing, miniature transformer spool,platform grille, vacuum pump, etc.
link:http://www.lfrt-plastic.com/long-glass-fiber-polyamide-6/20-long-glass-fiber-filled-nylon-6.html