Product Description
Super DG®90 kaolin is a calcined kaolin featuring ultra-high brightness. With advanced blend control of northern and southern of superior crude in China, DG®90 is engineered and structured for paper application by Super patent delamination facilities, then it has been dehydroxylated by controlled heat treatment for removal of crystalline-bound hydroxyl groups and to improve brightness, and particle size distribution redistributed by classification process. DG®90 kaolin is highly pulverized for better dispersion.

Application information
DG®90 calcined kaolin is designed for use in both paper filling and coating applications. DG®90 works in both woodfree and mechanical papers to improve brightness, opacity, blister resistance and ink receptivity with minimal impact to sheet and print gloss. In paperboard applications, DG®90 can significantly extend TiO2, improve ink receptivity, glueability and help control binder migration. Compared to other calcined kaolin products, DG®90 has exceptional high shear rheology at high solids, which assists in raising coating color solids and reduces energy consumed during drying.

TYPICAL PHYSICAL PROPERTIES

Physical Form Highly Pulverized Powder
ISO. Brightness,% 90.0 min
Particle Size, Mesh 86%@2u
Wet Screen Residue, 325mesh, % 0.01 max
PH 6-8
Free Moisture, % 1.0 max
Oil Absorption(g/100g) 65-75
Specific Gravity (g/cm³) 2.7

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 DG 50
 DG 50B
 DG 80
 DG 80A
 DG 90