... /T700-1988 standard )5.Features:by degrease phosphorization,polished finish,ultra-violet,colorfull,non-faded ,and surface coating use ployester resin finish ... /T4454-1996 Standard ) 2.Feature plastic thicker above 6mm.colorfull , ultra-violet , non-faded ,smooth , non-toxic and non pollution , un-stimulating ...