Appliances: Cooking Hobs

An evolution on the theme of the free-standing cooker, these products’ most popular features are a aesthetic appearance, convenience, functionality, technology, safety and availability in a variety of models and fittings. And vitreous enamel adds more of its own special virtues

The ingredients of a success story

Although cooking hobs are a relatively recent product innovation, the features they have rapidly found with users has made them a top seller. They can be looked upon as an evolution on the theme of the free-standing cooker: the hob has been separated from the oven so that the oven can be inserted in a more convenient location in the area of the kitchen reserved for cooking, which is usually at a slightly higher level than in the free-standing models, making the oven more easily accessible to the chef.

Their aesthetic and functional features, sophisticated technology and fast, convenient use generally put cooking hobs in the medium to high range of products capable of catering for users’ increasingly sophisticated and customised demands and tastes. Special attention is now paid to diversifying the colour ranges and technological fittings available, as well as to the products’ functionality, convenience and safety.

Technical characteristics

Cooking hobs are available:
:: in different sizes: 30, 60, 70, 90 x 30, 60, 70, 90 cm…; some models also have a built-in sink, an electric hotplate and a special burner for a fish pan; common features in any case usually include smooth, hygienic surfaces that are easy to clean and maintain;
:: with 4 or more sources, either all gas burners or a mixture of gas burners and electric hotplates; easily lit or turned on and also, in some models, relit or turned back on; burners may be ultra-rapid, with a double or even triple crown for faster heating and for cooking with very large pans;
:: with ergonomic, rustic, classical or other controls at the front or the side;
:: with a single pan support or one for each burner; enamelled pan supports may be made of cast iron or drawn steel wire strip;
:: with fast-acting safety valves that cut the flow of gas whenever the flame goes out – or is lit accidentally, such as by children;
::with one or more programmable timer burners; with special functions and electronic sensors (such as LEDs that stay on as long as the pan supports used are still hot to touch, so that users avoid burns and scalds)

Vitreous enamel coating: aesthetic characteristics
Colour range Very extensive, capable of catering for any match with other materials. All colours are durably stable, chemically inert and are not altered by detergents, light or UV radiation.
Customisable surface brightness From matt to full gloss.
Customisable surface finish

Smooth, pitted, droplets, speckled, metallic, granite look

Vitreous enamel for added value

Whatever the model, type, shape or configuration vitreous enamel adds its own unmistakable qualities: beauty, colour, luminosity, durability, resistance to acids, easy cleaning, hygiene and environmental friendliness, further enhancing the stading of asch model.

Enamel coating: functional characteristics
Characteristic Properties Benchmark standard
Resistance to high temperatures, up to 400°C Direct flames do not harm enamel, make it fade or leave any burn marks ISO 4530
Resistance to sudden temperature changes Enamelled surfaces are immune to temperature changes of 300°C ISO 2747
Cleaning Easy to clean: a damp sponge is all it takes to wipe away any traces of dirt. NF A 92-032
Hygiene Does not allow bacteria to proliferate. Bacteriological study undertaken by the Modena Hospital Institutes
Chemical resistance Acids contained in foods leave no marks or blemishes. EN 14483-1
En 14483-2
Resistance to normal detergents (pH> 7) Liquid and cream detergents do not scratch or alter enamel. ISO 4533
EN ISO 4535
UNI 8026
Resistance to organic solvents Enamel is immune to attack from alcohol, trielin, acetone etc. N.A.
Hardness: 5 - 7 Mohs scale The coating is hard and is not chipped by normal kitchen utensils. EN 101
Resistance to abrasion The coating does not wear out with time. UNI 7233
Scratch resistance Vitreous enamel is not scratched by normal kitchen utensils. EN ISO 15695



The International Enamellers Institute
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