Ħ²Á²ÄÁÏ friction materical ¹æ¸ñ£º£¨Specifications£© 1.made of flake electrode grain 2.sio2 and sands not permitted 3.ʯÃÞ£¨asbestos£©not permitted 4.F.C:98.5% min 5.Ash:1% max 6.H2O:0.5% max