Difference between revisions of "Pigments"
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| − | + | ==Iron Oxide== | |
| + | * Dull red | ||
| + | * Mixes can be pink, red or brown | ||
| + | * One of the most stable pigments known, iron oxide keeps its colour for centuries. | ||
| + | * Red brick dust may be used as a substitute | ||
| − | + | ==Lamp Black== | |
| + | * Soot | ||
| + | * Black | ||
| − | + | ==Subsoil== | |
| + | * Various browns | ||
| + | * Mixes can be anything from broken white to dark brown | ||
| − | + | ==Lime== | |
| + | * White | ||
| + | * Mixes can produces white, cream, broken white or light grey | ||
| − | + | ==Topsoil== | |
| + | * Brown | ||
| + | * Added to cement it promotes organic growth on the cement, making it look weathered & natural. | ||
| + | * Likely to turn green if constantly wet | ||
| − | + | ==Stone Waste== | |
| + | * Various colours | ||
| + | * Mixed with cement to produce a more stone-like appearance | ||
| − | + | ==Coal Ash== | |
| + | * Black | ||
| + | * Incorporated into lime mortar to make black mortar | ||
| + | * Black mortar is sometimes prone to premature failure, so its use is best kept to being a minority of the mortar used. | ||
| − | + | ==Commercial Mortar Pigments== | |
| + | Tins of pigment are available from [[Suppliers|BMs]] at low cost, but most colours are prone to streaking and bleaching during the life of the mortar. Red pigment however is iron oxide, and is very stable. | ||
| − | + | ||
| + | ==See Also== | ||
| + | * [[Paint]] | ||
| + | * [[Special:Allpages|Wiki Contents]] | ||
| + | * [[Special:Categories|Wiki Subject Categories]] | ||
| + | |||
| + | |||
| + | |||
| + | [[Category:Paint]] | ||
Revision as of 13:53, 6 July 2008
A wide array of Pigments are used in paints and plastics, and sometimes mortar. This article will just introduce some of the readily available low cost pigments useful for DIY colouring and experimentation.
Iron Oxide
- Dull red
- Mixes can be pink, red or brown
- One of the most stable pigments known, iron oxide keeps its colour for centuries.
- Red brick dust may be used as a substitute
Lamp Black
- Soot
- Black
Subsoil
- Various browns
- Mixes can be anything from broken white to dark brown
Lime
- White
- Mixes can produces white, cream, broken white or light grey
Topsoil
- Brown
- Added to cement it promotes organic growth on the cement, making it look weathered & natural.
- Likely to turn green if constantly wet
Stone Waste
- Various colours
- Mixed with cement to produce a more stone-like appearance
Coal Ash
- Black
- Incorporated into lime mortar to make black mortar
- Black mortar is sometimes prone to premature failure, so its use is best kept to being a minority of the mortar used.
Commercial Mortar Pigments
Tins of pigment are available from BMs at low cost, but most colours are prone to streaking and bleaching during the life of the mortar. Red pigment however is iron oxide, and is very stable.