R&F Encaustic Paint Block -Iridescent Pewter, 40 ml

Dark bluish-grey metallic.

• Pigment Composition: PW20-Mica-Iridescent Pewter
• Paint Lines: Encaustic Pigment Stick
• Opacity: N/A
• Pigment Stick Drying Rate: Slow
• Classification: Synthetic Inorganic
• Chemical Composition: Metal oxides on mica
• Safety Information: Conforms to ASTM D-4236

Pigment Name: PW20-Mica

Classification: Synthetic Inorganic

Chemical Composition: Aluminum silicate

Properties

An off-white pigment with complex reflective effects, mica is often used with transparent pigments to create mixed pigments with interference and pearlescent effects.

Permanence

Mica is permanent and lightfast.

Toxicity

Although it is non-toxic and not bio-reactive, fine particles may irritate. This is of concern primarily for those exposed occupationally to dry mica powder. Breathing mica particles may cause lung fibrosis and pneumoconiosis.

History

Mica has been used as a pigment since prehistoric times.