Expancel® 921 WE 40 d24

Expancel® 921 WE 40 d24 by Nouryon is a light-weight filler with weight-reducing, cost-saving properties. It enhances the self-cleaning properties. It allows higher pigment volume concentration with less binder requirements due to its tiny spherical particle size and also reduces shrinkage. Designed for water-borne cool roof coatings for building and construction market. The high solar reflectance of Expancel® 921 WE 40 d24 microspheres helps to decrease roof temperatures of the building by 15°C, lessening the need for air conditioners. It has a shelf life of 2 years.