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2. Engineer's blue - Wikipedia

   en.wikipedia.org/wiki/Engineer's_blue

   Engineer's blue is prepared by mixing Prussian blue with a non-drying oily material (for example, grease).The coloured oil is rubbed onto a reference surface, and the workpiece is then rubbed against the coloured reference; the transfer (by contact) of the pigment indicates the position of high spots on the workpiece or conversely highlight low points. [1]

3. Cerulean - Wikipedia

   en.wikipedia.org/wiki/Cerulean

   The word is derived from the Latin word caeruleus (Latin: [kae̯ˈru.le.us]), "dark blue, blue, or blue-green", which in turn probably derives from caerulum, diminutive of caelum, "heaven, sky". [2] "Cerulean blue" is the name of a blue-green pigment consisting of cobalt stannate (Co 2 SnO 4). The pigment was first synthesized in the late ...

4. Emulsion - Wikipedia

   en.wikipedia.org/wiki/Emulsion

   An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable) owing to liquid-liquid phase separation.

5. Orthochromasia - Wikipedia

   en.wikipedia.org/wiki/Orthochromasia

   Orthochromatic photography refers to a photographic emulsion that is sensitive to blue and green light but not red light. This type of emulsion was a significant advancement in early photography, as it allowed for the production of images with more accurate tonal reproduction than the earlier emulsions that were sensitive only to blue (and ultraviolet) light, [1] e.g., the wet plate collodion ...

6. Paint sheen - Wikipedia

   en.wikipedia.org/wiki/Paint_sheen

   The sheen [4] or gloss level of a paint is principally determined by the ratio of resinous, adhesive binder, which solidifies after drying, and solid, powdery pigment.The more binder the coating contains, the more regular reflection will be made from its smooth surface; conversely, with less binder, grains of pigment become exposed to the surface, scattering the light and providing matte ...

7. Anti-fouling paint - Wikipedia

   en.wikipedia.org/wiki/Anti-fouling_paint

   New ship being prepared for launch, showing fresh anti-fouling paint Ship hull being cleaned of fouling in drydock. Anti-fouling paint is a specialized category of coatings applied as the outer (outboard) layer to the hull of a ship or boat, to slow the growth of and facilitate detachment of subaquatic organisms that attach to the hull and can affect a vessel's performance and durability.

8. Surfactants in paint - Wikipedia

   en.wikipedia.org/wiki/Surfactants_in_paint

   Latex paints (emulsion paints British English, not to be confused with latex rubber) are an emulsion of polymer particles dispersed in water. Macroemulsions in latex paint are inherently unstable and phase separate, so surfactants are added to lower interfacial tension and stabilize polymer particles to prevent demulsification.

9. Lead-based paint in the United Kingdom - Wikipedia

   en.wikipedia.org/wiki/Lead-based_paint_in_the...

   The lead-based pigments (lead tetroxide, calcium plumbate, or "red lead") were widely used as an anti-corrosive primer coating over exterior steelwork.This type of paint might have been applied to garden gates and railings, guttering and downpipes and other external iron and steelwork.