... YYGX6001,YYGX6002,YYGX60012600μm±10% Non-sterilemedical Laser optical fiber YYGX200F,YYGX2001F,YYGX2002F,YYGX20012F200μm±10%YYGX400F, ... : fiber surface should be clean,seamless and burrfree2.Transmission efficiency: should be greater than 70%3.folding strength ... be no this toxicity Chemical property of Medical laser optical fiber10.Reducing substances :potassium permanganate consuming volume difference ...