Precipitated Silica, Brand Name : Fuchang

We are offering precipitated silica
precipitated silicarn rnwhile carbon black, chemistry name "silicon dioxide" , main ingredient "sio2", similar to carbon black in the application , appearance showed white , highly dispersed , amorphous powder or flocculent powder.
specification�rnitem precipitated silicarn fxj-001 fgj-003 fsc-004 ftl-005 fyz-009 fdbb-013rnsio2(as dried) % �90 �90 �90 �90 �90 98rnbet specific surface arearnm2g � 170-190 170-230 160-210 170-190 160-200rn120-150rntwo kind 230-420rnloss on heating105� 2h% 6.0-7.0 6.0-7.0 6.0-7.0 6.0-7.0 3.0-6.0 4.5-5.5rnignition loss 1000�% � 4.0-6.0 4.0-6.0 4.0-6.0 4.0-6.0 4.0-6.0 �4.5rnph value 6.0-7.5 6.0-7.5 6.0-7.5 6.0-7.5 6.0-7.5 6.0-7.5rndbpabsorption value cm3g 2.3-2.8 2.3-2.8 2.3-2.8 2.3-2.8 2.7-3.5rn2.0-2.5 rntwo kind �3.4rnna2sio4 � 1.2 1.2 1.2 1.2 1.2 1.2rnfe(mgkg) � 1000 500�200 200 300 500�300 500rncu(mgkg) � 30 30 30 30 30 30rnmn(mgkg) � 50 50 50 50 30 50rnsieve residue (45um ) % 0.5 0.5 0.5 0.5 0.5 0.2
main application:rnwhite carbon black is widely used as reinforcing agent for rubber and plastic , thickening agent for ink , additives for coating ,and paint , flatting agent for leather , dispersing agents for insecticides , fillers for manufacturing papers ,additives for resin , fillers for insulating and thermal insulation materials . Meanwhile , it is also used as open agent for polyethylene film and carriers, anti caking agent for food ,pesticide and medicine.
Package: 20kg or 10kg woven bag
storagern stored in dry and ventilated place.