Description du produit
Portafill® G25 is an iron-free, milled, high quality amorphous calcium-aluminium silicate with consistent chemistry. It also contains no crystalline silica. Portafill® G is used in paint and sealant systems where transparency, chemical inertness and abrasive resistance are important. In addition, the product is used in composites for improved dimensional stability and excellent electrical properties. The oil absorption for this grade is 22g/100g.