Detailed Product Description HS Code: 2849200000D50 value: 2.6-3.4 micron,electric resistance method(with counlter);PH value: 6.0-7.5Packing: plastic Bag or paper bag Transportation: By Sea We supply high purity,high-class,narrow particle size distribution black silicon carbide micropowder. If you are interested in any of them,please directly contact Roy Chang.