Page 15 - QRedition5.0 062021

Quality Requirements Edition 5.0 European Enamel Association

2.0 DEFINITIONS 2.7
The department carrying out the process is the vitreous or porcelain enamelling

Terminology: department.
Porcelain and Vitreous Enamel, the Porcelain and Vitreous Enamelling Process and

Porcelain and Vitreous Enamelled Products. 2.8
The personnel involved in the process are often referred to as vitreous or porcelain

2.1 enamellers.

The general public experience confusion about the definition of ”enamel”.
2.9

2.2 The coated metal is porcelain and vitreous enamelled e.g. porcelain and vitreous
Enamel should more properly be called ”porcelain and vitreous enamel”. enamelled steel.

2.3 2.10

There is no standard accepted definition of porcelain and vitreous enamel in the English An exception to these definitions is an enamel which is applied to glass and fused to the
language. glass surface.

2.4 2.11
Some organic paint finishes may be incorrectly described as ”enamels”. This is an
The most generally accepted definition is:
”Porcelain and vitreous enamel is a mainly vitreous material, which is obtained by unfortunate but widely operated custom which leads to confusion of the general public.
the melting or fritting of a mixture of inorganic materials. This fritted material may be These finishes should be described as ”enamel paints”.

applied to a metal substrate in either the form of a suspension in water or a dry pow-
der, in one or more layers, which will, when heated to a temperature sufficient for 2.12

fusion to take place, be bonded chemically and physically to the metal substrate.” In some other languages there may be other forms of confusion. For example the word

”enamelling” (as translated) may be used to mean the material, the process and the
2.5 finished product.
The process is porcelain and vitreous enamelling.

2.6
The material produced by fritting is a porcelain and vitreous enamel frit.

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