20kg paper bag packing silica dioxide, as anti blocking for plastic film

Model Number: BT-302-2 Brand Name: BaoTe Key Specifications/Special Features: Functional master batch grade silica is made by special process, which is widely used in plastic astebatch openings, functional master batch, plastics and PP, PE, PVC, and widely used in PP master batch. Also it can be used as EVA anti-blocking agent and the quantity is about 30%. Aerogel silica ratio of major high transparency, easy to disperse and add. When producing high transparency film, aerogel silica can be used. If not, you can choose the precipitated white carbon black. GradeBT-302BT-302-1BT-302-2 Process precipitated precipitated precipitated Form White powder White powder White powder Sio2 content % 98 98 98 whiteness 96 96 96 Average particle size um 4-5um 5-6um 3-5um Heating loss % 105℃2h 2-3 2-3 2-3 Ignition loss % 950℃2h 3-4 3-4 3-4 BET specific surface area ㎡/g 180 180-220 180 DBP absorption oil value ml/100g 240 210-230 200 PH value 6.5-7.5 6.5-7.5 6.5-7.5 Application scopes High transparent plastic film, plastic master batch openings etc.