Great American Handmade Pastel - SOM Dark Green 1, 850.1

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4.6
Item #:21925-8801
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Great American Handmade Pastel - SOM Dark Green 1, 850.1 pastel and swatch

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California Proposition 65

WARNING: CANCER AND REPRODUCTIVE HARM -- WWW.P65WARNINGS.CA.GOV

Product Details

No.
850.1
Description:
Pastel
Color:
SOM Dark Green 1

Set colors may vary - The vendor may substitute a color within a set due to stock issues without notice.

Colors on Monitors -

Due to differences in users’ monitors, the colors presented are an approximation of the true color.

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Pigment Information

This color contains the following pigments:

PW18-Calcium Carbonate


Pigment Name

PW18-Calcium Carbonate

Pigment Type

inorganic

Chemical Name

calcium carbonate

Chemical Formula

CaCO3

Properties

Calcium carbonate, the mineral constituent of chalk, is a low tinting strength, inexpensive white pigment that is often used is a buffer and filler. Because of its low tinting strength, it is overwhelmed by other colors. It is used in gesso and other coatings to give the surface more tooth, a desirable characteristic for some painting techniques.

Permanence

Calcium carbonate is lightfast. Like all carbonates, it reacts with strong acids

Toxicity

Calcium carbonate is completely non-toxic, and is used in many food, cosmetic, and pharmaceutical products. However, excessive consumption is not recommended. 

History

Naturally occuring chalk deposits have been mined since prehistoric times. Rocks and minerals that contain calcium carbonate include aragonite, calcite, vaterite, chalk, limestone. marble, and travertine. Calcium carbonate is the principle component of lime, used in many agricultural and industrial applications.


Safety Data Sheet