BET surface area (m2 / g) 100 ± 15 average particle size (nm) 12 Compaction density of about 50 Loss on drying (105 ℃ 2h) ≤ 2.0 Loss on ignition (1000 ℃ 2h) ≤ 3.0 PH value of 5.5-7 SiO2 content of ≤ 0.01 AL2O3 content ≥ 99.9 Fe2O3 content ≤ 0.1 TiO2 content of ≤ 0.1 HCL content ≤ 0.1 Residue accordance Mocker 45μm ≤ 0.05 Model: UG-L30Y Packing: 10KG / bag features: highly fragmented, used as a flow aid, PET film anti- blocking agents, but also in electric light bulbs and fluorescent tubes and powder coating for environmental protection and the adhesive layer. Applications for high-quality inkjet paper coating for paper with high gloss and excellent print quality. Increased wear resistance coatings; flow aid in powder coatings to improve the extraction rate; in coil coatings, can be used as heat and radiation protection agent; improved powder electrostatic charge-Price: 150 per kg,, Packing: 10KG / package