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Paint Pigments - What they are and how they are used in Piant
All You Need to Know About Paint
Paint Pigments
- Pigments are fine powdered solids which provide the colour and opacity (hiding power) of the paint
- They help the film former with substrate protection, for example calcium plumbate inhibits rust on ferrous metals
- Pigments can often contribute to the durability of the paint
Pigments are obtained from:
- Chemically treated metals - eg. Iron oxide a yellow or red, it is used in all finishing paints, Titanium dioxide, white, is used for interior paints.
- Coloured Earths - eg Yellow ochre and burnt umber are used for all types of paints.
Treated chemical compounds - eg. Prussian blue, this is used for oil/alkyd paints.
Extenders (extender pigments)Extenders are solid components of paint. They are finely ground natural materials, most commonly earth, and they have no effect on the colour of the paint, but they do alter some properties. They have many varied functions:
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Solvents (or Thinners)These are colourless liquids that are included in the paint (or clear finish) and work on the binder to thin the quality of the paint. This dilutes the coating and improves the ease of application and increases penetration of the product. The solvent then evaporates after application during the drying out process. Examples of solvents:
(Thinners, mineral turps, solvents, methylated spirits, alcohols and acetates). To Continue Articles on Interior Design and Decorating Interior Finishes - All You Need to Know About Paint - next page is Additives Paint Composition DIY Tips for Perfect Paint Jobs More Interior Decorating Finishes - MenuPaint manufacture, recognising painting defects, specialist paints Introduction to metals, types of metals, ferrous metals, non ferrous metals Decorative Painting, Faux Finishes, Decorative Finishes Different types of fabrics, their definitions, the fibers used in making fabrics |
In this Section:
Interior Design Finishes - Carpet Contents | Home Paint Information | More Paint Information | Wall Hangings and Flooring | Types of Timber | Metals | Timber Uses | Decorative Painting | Types of Fabric | Introduction to Interior Finishes | Carpet | Paint | Wall Hangings | Timber Flooring | Hard Flooring | Clay Based Flooring | Stone Flooring | Semi Hard Flooring | Types of Timber and Wood | Metals | Timber and Wood | Decorative Painting | Fabric Types |
Interior Design Finishes - Carpet Contents | Home Paint Information | More Paint Information | Wall Hangings and Flooring | Types of Timber | Metals | Timber Uses | Decorative Painting | Types of Fabric | Introduction to Interior Finishes | Carpet | Paint | Wall Hangings | Timber Flooring | Hard Flooring | Clay Based Flooring | Stone Flooring | Semi Hard Flooring | Types of Timber and Wood | Metals | Timber and Wood | Decorative Painting | Fabric Types |
