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Color permanence - A permanent
lifetime finish is provided through porcelain enamel..
Color availability - A virtually unlimited array of permanent colors
with high uniformity is available.
Gloss -- Porcelain offers an array of gloss characteristics.
Finish - A wide variety of
finishes and degrees of smoothness can be provided, including smooth,
pebbly, and stippled surfaces.
Product enhancement - Porcelain enamel enhances the appearance,
usability, and appeal of products.
Cleanability - Smooth and glossy porcelain enamel is easy to clean,
usually with only a mild detergent and mild rubbing. The hard dense surface
is a barrier against odor and bacteria.
Thermal Properties - Abrupt and severe temperature changes do
not affect porcelain enamels applied at normal thickness.
Weather resistance - Porcelain coatings retain their original
gloss and color.
Acid resistance - Porcelain offers excellent corrosion protection
against aqueous solutions of alkalis, salts and most acids.
General chemical resistance - Porcelain is formulated with relatively
inert inorganic oxides to provide an impervious surface that is highly
resistant to most chemicals.
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Hardness - Porcelain enamel adapts to the same level of hardness
as the substrate to which it is applied.
Abrasion and wear resistance - Porcelain enamels are highly wear
resistant.
Lubrication power - Porcelain offers a low coefficient of friction
- perhaps the lowest of any known finishes other than "no stick" fluorocarbons.
Adhesion - Moisture or rust cannot penetrate beneath a well-applied
porcelain enamel coating, so it will not flake away from exposed edges
or damaged areas.
Impact resistance - Porcelain will usually not fracture
due to impact unless the base metal is permanently deformed.
Flexibility - 10-mil commercial steel sheet with two porcelain
enamel coatings 5-mils thick is so flexible it can be shipped in 12-inch
diameter coils without damage.
Stiffening - Porcelain can be used advantageously to reduce metal
thickness in certain applications.
Thickness - Porcelain can be applied in a wide range of thickness.
Thinner porcelain enamel coatings are more flexible and have greater resistance
to fracture.
Thermal conductivity - Porcelain is not a thermal insulator, but
it is a relatively good heat conductor when applied in thin coats.
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