Wollastonite 1. Form:needle, powder 2.Size:80 mesh to 1250 mesh 3.Use:paint,plastic,metallurgy,ceramic,rubber,building etc. ... 5 Packing:25kg/bag,50kg/bagWollastonite needle powderFeatures:1) 325 mesh to 1250 mesh2) high length-diameter ratio, high whiteness3) ... 001<3Packing:25kg/bag,50kg/bag Metallurgical grade wollastoniteFeatures:1) 80 mesh to 325 mesh2) used in continuous casting flux, agglomerated ...