Min. Order Reference FOB Price
5000 Sets US$0.014-0.038 / Set
Product Description
product introductio Material:95-97%,Al2O3 2.Colour:White,Ivory,Pink,Dark. Specification: OD: 11.5mm---32mm ceramic discs Features: 1.The frictional times is 300, 000 to 500, 000, 2.Density :3.6~3.7g/cubic centimeter, 3.Rigidity is 84~86 HRA, 4.The thickness tolerance is less than ...