Uses the overseas import the zircon ore after the special craft processing Cheng Fenti the padding, its degree of hardness is 7- 8, had softly has just has the soft attribute, increased touches the effect to be extremely obvious. Now widely has applied in the friction material, moreover the brake lining application quite is co mm on, uses is 65% about zirconium England powder may obtain well including the zirconium quantity applies the brake the effect. Degree of hardness GranularityZirconiumdensity