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2. Wood stain - Wikipedia

   en.wikipedia.org/wiki/Wood_stain

   Wood stain is a type of paint used to colour wood.It consists of colourants dissolved and/or suspended in a vehicle or solvent.Vehicle is the preferred term, as the contents of a stain may not be truly dissolved in the vehicle, but rather suspended, and thus the vehicle may not be a true solvent.

3. Varnish - Wikipedia

   en.wikipedia.org/wiki/Varnish

   Violin varnishing is a multi-step process involving some or all of the following: primer, sealer, ground, color coats, and clear topcoat. Some systems use a drying oil varnish as described below, while others use spirit varnish made of resin(s) dissolved in alcohol. Touchup in repair or restoration is only done with solvent based varnish.

4. Chemical coloring of metals - Wikipedia

   en.wikipedia.org/wiki/Chemical_coloring_of_metals

   Solution of sodium polysulfide 2.5%, items must be submerged in the solution after color developing, wash, dry and wax or varnish colored object. [28] Brown for copper. Items are boiled in at least 3-day-old water solution of 12% copper sulfate, after color being developed, the material is washed, dried and waxed or varnished. [29] Black for iron

5. Stain - Wikipedia

   en.wikipedia.org/wiki/Stain

   The material that is trapped coats the underlying material, and the stain reflects backlight according to its own color. Applied paint, spilled food, and wood stains are of this nature. [5] A secondary method of stain involves a chemical or molecular reaction between the material and the staining material. Many types of natural stains fall into ...

6. Alizarin Red S - Wikipedia

   en.wikipedia.org/wiki/Alizarin_Red_S

   [1]) is a water-soluble sodium salt of Alizarin sulfonic acid with a chemical formula of C 14 H 7 NaO 7 S. [2] [1] Alizarin Red S was discovered by Graebe and Liebermann in 1871. [2] In the field of histology alizarin Red S is used to stain calcium deposits in tissues, [3] [4] and in geology to stain and differentiate carbonate minerals. [3]

7. Stain-blocking primer - Wikipedia

   en.wikipedia.org/wiki/Stain-blocking_primer

   The below calculated ACIs were done on solvent-based primer containing 350 g/L of solvents and the water-based primer containing 50 g/L of butyl glycol. The values on this chart indicate that the use of mineral spirits based primers would need 6 to 7 air changes per hour requiring significant ventilation. The use of low-odor, isoparaffinic ...