ANTI-BLOCKING AGENT
◆Descriptionof products
Functional master batch grade silica is made by specialprocess, which is widely used in plastic astebatch openings, functional masterbatch, plastics and PP, PE, PVC, and widely used in PP master batch. Also itcan be used as EVA anti-blocking agent and the quantity is about 30%.Aerogelsilica ratio of major high transparency, easy to disperse and add. Whenproducing high transparency film, aerogel silica can be used. If not, you canchoose the precipitated white carbon black.
◆The specification, feature and application
Grade | HF-30 | HF-40 |
Process | aerogel | precipitated |
Form | White powder | White powder |
SiO2 content % | 99.9 | 99.7 |
whiteness | 98 | 96 |
Average particle size um | 4.5-5.5um | 8-11um |
Pore volume ml/g | 1.6-1.8 | 1.4 |
Heating loss % 105℃2h | 2-3 | 2-3 |
Ignition loss % 950℃2h | 3-4 | 3-4 |
BET specific surface area,㎡/g | 230-250 | 180-220 |
DBP absorption oil value,ml/100g | 270-280 | 260-270 |
PH value | 6.5-7.5 | 6.5-7.5 |
Application scopes | High transparent plastic film, plastic master batch openings etc. | |
Features of products | Ratio of major, high transparency, easy to disperse and add. | |
