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Thickener or Thixotropic Filler (FumedSilica)

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The chemical formula is SiO2. The specific weight is very volatile because it is very light. This material, which has an amorphous structure, is a hydrophilic smoky crystalline fine powder of silicon dioxide, having a specific surface of 200 m2/g. It is used as a thixotropicizer and thickening agent in the polyester resin industry. It prevents the resin from flowing on vertical surfaces in its proper use.

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