Fumed silica HB-139

Fumed silica HB-139 is a hydrophobic fumed silica treated with a dimethyl silicone fluid. This surface treatment results in a hydrophobic silica with a different performance than untreated silica and the Product acts as a rheology modifier imparting good thickening efficiency, sag resistance and anti-settling. 

Applications

• Rheology control agent
• As thickener and a thixotrope in adhesives and sealants
• Sag resistance
• Anti-setting

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Shelf Life

Under proper storage conditions, the shelf life is 24 months.

Health & Safety

Detailed information on the product described can be found in our relevant Health and Safety Information (Material Safety Data Sheet).