Pigments and paint grinding equipment believed to be between 350,000 and 400,000 years old have been reported in a cave at Twin Rivers, near Lusaka, Zambia. Before the Industrial Revolution, the range of color available for art and decorative uses was technologically limited.
Small Pigment Grinding Machine, Small Pigment AlibabaAlibaba offers 213 small pigment grinding machine products. About 72% of these are grinding equipment, 4% are flour mill, and 1% are spice sauce machines. A wide var