Binder: Virgin cold-pressed oils: Linseed and Walnut oil blend, washed
Pigment: PB 29 / Inorganic: complex silicate of sodium and aluminum with sulfur 77007
Lightfastness: 1 / excellent
Ultramarine Blue pigment is the synthetic form of natural gemstones ultramarine (lapis lazuli), yet greatly surpassing it in tinting strength.
Conforms to ASTM D4236. Conforms to ASTM D4302
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