Workshop Notes: Painting Best Practices – Day 2 (Part B)
by Matthew Innis |
Pigment properties:  chemical composition is extremely important;  particle size;  morphology (crystalline, amorphous, etc.); density. The particle size of the pigments used by the Old Masters were 70µm (microns) in diameter and down. Human hair is typically 50µm in diameter. In modern paint, the largest particle size is 44µm (this is the ASTM standard…
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