Comparison Tefal Invissia B3090543 26 cm vs Tefal Extra B3010572 26 cm

The material from which the pan is made.

Aluminium is the most popular nowadays, it is available on the market in several versions — stamped, cast, forged, plus all three of these varieties can be anodized. Noticeably fewer frying pans are made of cast iron and steel, but a lot of such products are also produced. But copper and ceramics are very rare, even exotic options nowadays.

Here is a more detailed description of each of the mentioned materials:

— Cast iron. A classic material, thanks to a number of characteristics, has not lost popularity nowadays. Its main feature is the combination of high heat capacity and relatively low thermal conductivity. This means that the cast-iron pan heats up slowly, but evenly, and cools just as slowly; while cast iron easily tolerates high temperatures. This property makes cast iron pans very versatile and suitable for both "slow" and "fast" fires. This material is usually not coated with a non-stick coating, however, subject to certain care rules, cast iron itself can acquire similar properties — to the point that some dishes can not be stirred at all when cooking on cast iron. Frying pans made of this material are very weighty, but many...consider this an advantage — a heavy pan is as stable as possible. Of the obvious disadvantages, one can name the tendency to corrosion (which requires careful observance of the rules of care), as well as relative fragility — cast iron can crack from an impact that steel or aluminium would have completely endured. Also, food cannot be stored in such dishes — its taste deteriorates.

— Steel. Stainless steel is considered one of the safest materials: it is chemically inert and does not tend to interact with food and other substances. Also, this material is durable, resistant to impacts, weighs significantly less than cast iron and at the same time massive enough to ensure stability. On the other hand, steel also has a number of disadvantages. So, due to the high thermal conductivity, it heats up unevenly, and it does not tolerate high temperatures well — characteristic iridescent stains of the “tint colour” appear. Food in such pans tends to burn — in the end, you either have to put up with this, or look for models with a non-stick coating (and here safety is already determined by the properties of this coating, see below). Washing steel utensils is also quite difficult — abrasive detergents scratch the coating and spoil the appearance, and without them it can take a lot of time and effort.

— Aluminium. The main advantage of aluminium is its low price and, accordingly, availability. Also, it is characterized by good strength, high thermal conductivity and, accordingly, fast heating, and such pans cool down for quite a long time. However, this material also has a number of significant drawbacks. For example, food in an aluminium pan tends to burn, and washing it is associated with a number of difficulties — it is undesirable to use acids and alkalis, the coating is easily scratched. In addition, thin pans are very sensitive to overheating and can warp; this is especially critical on electric stoves, where it is quite difficult to control the temperature, and a flat bottom of the dishes is especially important. Light weight can be called both an advantage and a disadvantage of aluminium: it reduces the stability of the pan, but also makes it easier to work with it. As a result of all of the above, this material is used mainly in inexpensive dishes. Aluminium frying pans can be produced using different technologies, they are described in more detail below; here we note that if the characteristics of the pan indicate simply “aluminium”, then most likely we are talking about a stamped product.

— Extruded aluminium. Stamping is the simplest technology for the production of aluminium pans, it is inexpensive. However, the quality of such products, usually, does not shine: the thermal conductivity is relatively low, and the sensitivity to overheating and the tendency to deformation are high. However, these moments can be partly offset by an increase in thickness or the use of additional inserts; the most advanced of the "thick" aluminium frying pans can be comparable in performance to cast products (see below).

— Forged aluminium. Forging technology in the case of frying pans is good in that it provides the fibrous structure of the metal. This has a positive effect on strength and weight and provides quite decent performance (in particular, thermal conductivity) even with a relatively small material thickness. However forged pans are somewhat more expensive than stamped ones.

— Cast aluminium. This technology involves the manufacture of dishes by pouring molten aluminium into special molds. It is considered the most advanced, because. casting provides an optimal metal structure, as a result — excellent thermal conductivity and high reliability. However such pans are more expensive than forged and, moreover, stamped, and they weigh a little more (the latter, however, is not necessarily a drawback).

— Anodized aluminium. The term "anodized" does not describe the production technology of the cookware itself, but a specific way of processing the aluminium surface; the dishes themselves can be stamped, forged, and cast (see above). When anodized, a strong protective layer is formed on the aluminium surface, which prevents metal from coming into contact with the contents of the pan. This layer is resistant to acids; and if it is not recommended to store food for a long time or cook “sour” dishes in an ordinary aluminium frying pan, then the anodized one has no such restrictions. And in general, such a coating is considered absolutely safe for humans. The disadvantage of this option is traditional — the high price.

— Copper. One of the key advantages of copper is its unusual appearance; thanks to the reddish-golden colour, such dishes really look beautiful and stylish. On the practical side, this material is notable for its high thermal conductivity, thanks to which the pan heats up quickly and evenly — and this contributes to high-quality and fast cooking. Copper is not suitable for regular contact with food — this leads to oxidation and the appearance of harmful substances; however, this disadvantage is compensated by the use of additional coatings (eg, tin or steel). But the unequivocal disadvantage of this material is the high cost. In addition, the copper surface loses its luster literally after the first cooking, and to restore its appearance, it must be washed manually with special products. Thus, few copper pans are produced nowadays, mainly these are “designer” dishes designed for kitchens of a certain style.

— Ceramics. Ceramics accumulates and retains heat well, moreover, it tolerates even strong heat without problems and allows the use of the oven without any restrictions. On the other hand, the thermal conductivity of this material is not very high, and it is not well suited for use on burners. As a result, mainly tagines are made ceramic (see "Type"), designed specifically for cooking in the oven.

The type of non-stick coating used in the pan (if present — some pans are not specially coated).

If the characteristics simply indicate the presence of a coating, without specifying its type, it should be assumed that this is most likely Teflon (functional, but short-lived and requiring careful handling — see below for more details). This will give the maximum guarantee against various troubles. And here is a detailed description of the different types of non-stick coating:

— Teflon. Coating based on polytetrafluoroethylene, also known as Teflon. One of the most popular options in modern frying pans is relatively inexpensive, very convenient to cook, and easy to clean. At the same time, this material has its own characteristics in use. First of all, it should be protected from scratches as much as possible: when cooking, you should use a wooden or silicone spatula (not metal, not to mention knives), and when washing, you should not use abrasive products and metal sponges (however, this is usually not required). If a scratch or some other damage still appears, you can’t use a Teflon pan — it starts to release harmful substances, the only option is to replace the dishes. This coating is sensitive to overheating (the release of harmful substances also begins, cracks may appear), it cannot be used on high heat and is not recommended for use on electric stove...s. In addition, it is believed that the thickness of the Teflon pans was at least 5 mm, preferably a multi-layered bottom(see "Additional"). Also note that even the highest quality Teflon, with the most careful handling, has a limited service life — usually about 5 years.

— Ceramic. A coating created as an attempt to eliminate some of the shortcomings of Teflon. Its main advantage is complete harmlessness: ceramics do not emit harmful substances at high temperatures and scratches. At the same time, it is rather difficult to scratch it, and therefore you can use spatulas made of any material with a frying pan, wash it with abrasive products, etc. In addition, this coating looks quite aesthetically pleasing. At the same time, it is a type of glass and, like any glass, is quite sensitive to shock. Another drawback is the delicacy in washing: hot ceramic pans cannot be placed under cold water (otherwise cracks or even chips may appear), and they are poorly compatible with dishwashers.

— Stone (marble). This category includes all coatings reinforced with interspersed stone chips. The material of such inclusions can be different: marble, granite, other minerals, including their combinations. Such solutions are usually more stable and durable than Teflon, however, the specific properties may be different, so the operation features must be specified in the instructions for the dishes.

— Titanium. Titanium-based non-stick coatings are remarkable primarily for their high strength. So, if it is recommended to use wooden spatulas on all other varieties, then titanium surfaces often allow work with metal appliances (however, this point still does not hurt to clarify according to the instructions for the pan). On the other hand, such coverage is quite expensive.

— Enamel. Enamel-based coatings are notable for good strength and scratch resistance, they normally tolerate contact with forks and even knives, and are not afraid of overheating. The non-stick properties of such coatings may be somewhat worse than other varieties, but it all depends on the specific type of enamel. Of the unequivocal disadvantages, one can name a relatively weak thermal conductivity and the likelihood of chips during impacts and falls. In addition, some types of enamel have a microporous structure and require more oil when frying than other types of coatings. Therefore, this option is relatively rare.

— Is absent. The lack of a non-stick coating in the design of the pan is not always a clear disadvantage. Firstly, additional coatings inevitably affect the price (and the better the composition, the more expensive it is); secondly, many of them require careful handling (see above). Thus, uncoated pans are less expensive and easier to clean (although the cleaning itself can be quite a laborious process). It should be noted that some materials themselves have non-stick properties; a typical example is cast iron (see “Frying pan material”).

Country of origin of the brand under which the pan is marketed. Usually, it is indicated by the "homeland" of the manufacturing company or by the location of its headquarters.

There are many stereotypes associated with the “nationality” of brands and products, but most of them have no basis nowadays. First, the actual place of production is often different from the brand's country of origin. Secondly, the quality of the goods depends not so much on geography, but on the policy of a particular company and how carefully this very quality is controlled in it. Therefore, you should pay attention to the country of origin of the brand only if you fundamentally want or (do not want) to support a manufacturer from a certain state. Quality is best judged by the reputation of a particular brand and the general price category.