Potash Feldspar in lumps and powder form
K2O : 9% and up to 12% up
L value : 75% and up to 82% and up
Quartz lumps, Powder and grains.
Quality SiO2: 99.5% and Up
Whiteness : 95%
Size: #100 to #325
Soda Feldspar in lumps and powder form
Na2O : 9% an d up
L Value 75% and up