Polyfil DL
It is a special grade of Kaolin clay filler characterized by its plate-like particle structure. This unique morphology enhances the air retention capability of the final product, making it highly effective in improving airtightness. It is commonly used in the radial tire industry, particularly in inner-liners, where excellent air permeability properties are required.
Large, platy delaminated clay that reduces gas/vapor permeability, spray dried bead form.
Region: North America
Industry: Rubber & Plastic
Application: Non-Black Rubber, Tire, General Rubber Goods, Butyl Rubber, MasterBatch
Physical Form: Dry, Slurry
CAS No.: 1332-58-7
Screen Residue, 325 mesh, %: 0.005
Median Particle Size, microns (Malvern Laser): 3.2
Average Stokes Equivalent Particle Diameter, microns: 0.75
Oil Absorption, g/100g: 45
Brightness, % Reflectance (TAPPI): 87.5-89
Specific Gravity: 2.6
Bulking Value: lb/gal; gal./lb.: 21.7; 0.046
Bulk Density, Loose, (lb/ft3): 40; 47 Hegman Grind: 4+
Surface Area, BET, m2/g: 15
Slurry Solids, %: 67-69
Crystalline Silica (quartz), %: <0.10
Shipping Point: Macon, GA
