Aerosil 200


Quick Overview

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Aerosil 200 fumed silica is a hydrophilic silica with specific surface area of 200m2/g. Wide application as a filler and thickener for oil and waterbase paints, adhesives, silicon rubber, printing ink and even cosmetic formulation like tooth paste, balm and cream. In dry powders it is an anti caking agent and as a free flowing agent. A mild abrasive in tooth paste and plastic polish.

Much finer than colloidal silica it function effectively as rheology and thixotropic control in liquid system, binders and polymer resins like polyester and epoxies. In paints it function as anti settling, anti sagging and thickening. To formulate textural acrylic paint with microballoons fillers,Silicon rubber, PU rubber and liquid latex are reinforced with aerosil fillers. Its hydrophilic and excellent hydroscopic absorption properties helps in retaining scent in soap, candles, body powder and lotions creams. Absorbs liquid turning to powder. Readily convert essential oils into powder mixes like body powder and facial compact powder. Added to cement as a rheology modifier, increases compressive and bonding strength as its nano silica particles assist as fillers, moisture retention much needed for gradual crystals formation and densities.

In plaster craft and cement castings its porosity assist to retain scent and fragrant as scented decorative display commonly known as aroma stone.

Not known as a carcinogen agent. Its fine free floating powder may cause some throat irritation and best wear a face mask when handling this material in well ventilated area.

Specific Surface Area (BET): 200m2/g
Tempered Density: 50g/l
Moisture Wt(%): 1.5
Ignition Loss Wt(%): 1
PH(%): 3.7-4.7
Sio2 Content W(%): 99.8
LOI: 1%
Color: White

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