I&#;m very confused about which white oil paint is safe to use for archival work, now that:
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&#; Lead white is too expensive and in short supply.
&#; Titanium white creates a paint film that is too soft, making it fragile and susceptible to damage.
&#; Zinc white creates a paint film that becomes brittle and flakes off.
&#; Mixing Titanium white with Zinc white produces a paint that is also of questionable durability.
&#; Other whites [in the pigment color index] are either not lightfast, or they don&#;t have good working properties.
If I was able to find some lead white and mixed a small percentage of it (10%-30%) with Titanium white, would that produce a paint that is sturdy and flexible enough to be used for archival paintings and for canvas grounds?
If not, would mixing a small amount of marble dust into Titanium white create a paint film that is durable enough for these purposes?
Pairs Horses Chemical Product Page
Lithopone
Color:WhiteBinder:Walnut oilAdditive(s):NonePigment Information
Pigment:LithoponePigment Classification:Synthetic inorganicColour Index:Pigment White 5 ()Chemical Name:Barium sulfate zinc sulfideChemical Formula:BaSO4&#;ZnSCAS No.-05-7Properties
Code:825Series:2Opacity:Semi-TransparentTinting Strength:LowDrying Rate:MediumASTM Lightfastness:IPermanence:ASafety Information:Based on the toxicological review, there are no acute or known chronic health hazards with the anticipated use of this product. Always protect yourself against potentially unknown chronic hazards of this and other chemical products by avoiding ingestion, excessive skin contact, and inhaling spraying mists, sanding dust, and concentrated vapors. Contact us for further information or consult the MSDS for more information.
For a detailed explanation of the terms in the table above, please visit Composition and Permanence.
Some separation of pigment and oil may occur in Rublev Colours Artist Oils and is a natural process when no wax or stabilizers are added to paint to prevent this from occurring.
All images of color swatches on this website are only approximations of the actual color of the oil paint. We have carefully matched the color in these pictures on calibrated color monitors to the actual color. However, your results may vary because of the wide variance in color monitors.
Color Swatch Note: The color swatch was created with a thick application (left side) of color and a tint (right side) made with equal parts of color and titanium white and applied on acrylic primed cotton canvas.
Drawdown Note: The image of the &#;drawdown&#; contains a pre-mixed paint film of 6 mils (0.006 inches) thickness applied to a standard test card to examine color consistency, opacity, and other qualities. The drawdowns show the full-color strength (mass tone) on the left and mixed in a 1:2 ratio with titanium white on the right. The bottom area of the drawdowns is scraped to show undertones.
Pigment Names
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Primary NamesEnglish: lithopone