Some stains are
more easily removed with a pre-treatment; but first ensure that the chosen
cleaner does not have a negative effect on the material i.e. does not cause
colour change. Read the product labels and manufacturers safety data sheets
(MSDS) to obtain a basic idea of contents, pH levels etc.
There are two basic approaches to
removing spots and stains. You can use a stain-removal agent that interacts
with the stain chemically, or you can physically loosen or remove the stain
from the surface. Many stubborn stains require both chemical and physical
treatment.
Brushing is used to remove dried
stains and spots. Flushing is used to remove
loosened staining materials and any residue from the stain-removal agent. This
is an important step in the process, for if any chemicals are left in the
material, they may cause additional staining or they may damage the treated
article.
Pre-treating is used to ease the
removal of small stains, especially those that are oily or greasy. Stubborn
soil is easier to remove after it's been pre-treated.
Depending on the pH of the
product you use you should return the surface to neutral (pH 7.0) before you
apply any dressing or protective products. The correct philosophy regarding
chemical use is this: “only use
chemicals for what they were formulated for”.
Always select a chemical /
cleaner that are biodegradable, environmentally friendly and safe to use by
observing any precautions recommended so that they won’t harm you, your vehicle
or the environment. Read the product labels and manufacturers safety data
sheets (MSDS) to obtain a basic idea of contents, pH levels etc.
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