[et_pb_section fb_built=”1″ _builder_version=”4.14.7″ _module_preset=”default” custom_padding=”||0px|||” global_colors_info=”{}”][et_pb_row _builder_version=”4.14.7″ _module_preset=”default” custom_padding=”||0px|||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.14.7″ _module_preset=”default” custom_margin=”||9px|||” global_colors_info=”{}”]<\/p>\n
[\/et_pb_text][et_pb_divider _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_divider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.14.7″ _module_preset=”default” custom_padding=”0px|||||” locked=”off” global_colors_info=”{}”][et_pb_row _builder_version=”4.14.7″ _module_preset=”default” custom_padding=”4px||0px|||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
Knowing the contents of a paint can help you with a number of things:<\/p>\n
The names of artists\u2019 paints are historical, eponymous, whimsical, chemical, and geographical \u2013 but mainly named to sell paint (The modern trend is to use chemically-derived names \u2013 to reflect the \u2018scientific\u2019 approach to paint.)<\/p>\n
The Society of Dyers and Colorists (SDC) assigns a Color Index (CI) to each new pigment that comes on the market.\u00a0 The American Society for Testing Materials (ASTM) sets the standards of what must be on the label of a tube of paint, and one of those requirements is the CI code for the pigment(s) used in the paint. \u00a0In order to get ASTM’s stamp of approval, each tube of must tell us exactly which pigment(s) it contains.<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
The CI (Color Index)<\/strong> is the true indication of what pigment you\u2019re getting when you buy a tube of paint.<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n Pick up one of your tubes of paint and look at the label. Somewhere, you should see the CI.\u00a0 It can be identified as a short code starting with the letter \u2018P\u2019<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”3_5,2_5″ _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”3_5″ _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n The photo to the right is the information on a tube of Daniel Smith ‘Deep Scarlet.\u00a0 You can see the pigment indicator is PR 175. This is Red Pigment #175 – Benzimidazolone. Obviously, ‘Deep Scarlet’ is a better choice for a name that reflects the color.\u00a0\u00a0<\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”2_5″ _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”http:\/\/www.teaksouls.com\/johnsblog\/wp-content\/uploads\/2022\/05\/ASTM-Details-on-tube-rotated-e1651794679370.jpg” title_text=”ASTM Details on tube” _builder_version=”4.14.7″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n How do you find out more information about a particular pigment?<\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”http:\/\/www.teaksouls.com\/johnsblog\/wp-content\/uploads\/2022\/05\/WN-Davys-gray1.jpg” title_text=”WN Davys gray1″ _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n An excerpt from\u00a0 the Dick Blick site detailing ‘Davy’s Gray’ by W\/N<\/p>\n [\/et_pb_text][et_pb_image src=”http:\/\/www.teaksouls.com\/johnsblog\/wp-content\/uploads\/2022\/05\/WN-Davys-Gray-pigment-info.jpg” title_text=”WN Davys Gray pigment info” _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n The Pigment Information Tab\u00a0<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n This figure shows how different paint manufacturers can have different names for the same pigments.\u00a0\u00a0<\/p>\n The first 4 paints in the list all have different names for the same pigment – PG36 – which is Phthalo Green, yellow shade. Despite the creative names, they all will be the same paint.<\/p>\n The next two are both ‘Sap Green’, but have different recipes.\u00a0 One uses PG36 and the other uses PG7.\u00a0 One mixes with a yellow (PY150), and the other with an orange (PO49).<\/p>\n Note that the second ‘Sap Green’, has an identical formula to\u00a0 ‘Hooker’s Green’.\u00a0 Based on the color swatch, there is more of the orange in the Sap. The pigment identifiers will not tell you the ratios<\/em>.<\/p>\n One of the ‘Emerald Greens’ is a mix of green, yellow, and white, while the other is simply one pigment – Viridian (PG18).<\/p>\n <\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”http:\/\/www.teaksouls.com\/johnsblog\/wp-content\/uploads\/2022\/05\/Whats-in-a-name.jpg” title_text=”Whats in a name” _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.14.7″ _module_preset=”default” custom_padding=”0px|||||” global_module=”805″ saved_tabs=”all” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”][et_pb_divider _builder_version=”4.14.7″ _module_preset=”default” custom_margin=”||-1px|||” global_colors_info=”{}”][\/et_pb_divider][et_pb_text _builder_version=”4.14.7″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n Author: John D McLaren [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":" What’s in Your Paint?Knowing the contents of a paint can help you with a number of things: Make better decisions when buying new paint Figure out what paints you already have and avoid duplicating them with a paint that has a different name, but uses the same pigment Understand if a paint is single-pigment or […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-766","page","type-page","status-publish","hentry"],"yoast_head":"\n\n
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May 5, 2022<\/p>\n