What can you find here? Basic information (general, chemical) on a colorant and a grouped collection of links for your research. Also some dry pigment properties when available and safety information.
See also Single pigment art material properties

Dry pigment properties PBk26

Swipe table below (only columns with available data are shown)
Avg. Particle Size Oil Absorption Density /
Specific Gravity
pH Heat
Stability
Art material database
≈ 1.0 µm 33 g oil / 100 g 4.5 g/cm3 7–8 > 500°C
External links
Shepherd
BLACK 20F944
≈ 4.1 µm 24 g oil / 100 g 5.3 6.1
Books, periodicals, papers (offline)
Ferro
24-3060 Mn-Fe P.BI.26
≈ 0.5 µm 48 g oil / 100 g 4.50 g/cm3 7.0–8.0
Ferro
24-3061 Cu-Mn-Fe P.BI.26
≈ 1.7 µm 20 g oil / 100 g 3.76 g/cm3 9.0–10.0
Dry pigment properties are specific to individual pigment products. Values are not representative of the pigment itself or other art products containing the pigment. Check your product data sheet for relevant values.
See also full list of available dry pigment data for particle size, oil absorption, or density / specific gravity.

Health & Safety Information

Warning
For informational purposes only. Toxicity can depend on the individual product, the exact chemical composition, the used binder, and many other factors. Always check your product's safety data sheet, and follow the basic studio hygenie practices, especially when handling dry pigments.
Ingestion Hazard
no significant hazard SJ
Inhalation Hazard
not well studied SJ
Skin Contact Hazard
not well studied SJ
Toxicity information
Nickel and hexavalent chromium compounds have been classified as carcinogens by IARC: Hazards associated with chromium, nickel, cobalt, and manganese CW

Chemical descriptors

IUPAC Name
diiron(3+) dimanganese(3+) manganese(2+) λ²-iron(2+) octaoxidandiide
Basic molecular Formula / primary chemistry
(Fe,Mn)(Fe,Mn)2O4
may contain traces of Al2O3 / CoO / CuO / NiO / SiO2 / TiO2

Groups

Used together with

Click for search results with PBk26 used together with other pigments in convenience mixtures (multi-pigment paints) or other art materials in our database.
Tip: You can also search for combinations by entering two or more pigment codes directly in the "Search" box.