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There are two types of resistance wires available on the market. The most popular is the so-called kanthal, so iron and chromium alloy with a small addition of cobalt and aluminum. This wire is characterized by high specific resistance, which is why it is commonly used in the construction of various types of heaters: furnace heaters, air heaters, and many other devices. Of course, it is also used for thermal cuts, e.g. polystyrene.

The two main types of kanthal wire are kanthal D and A1. They differ slightly in composition. Kanthal D, richer in iron and aluminum, is such a basic version. Heats up to about 1200 – 1300 Celsius degrees and its resistance is about 1.3 Ω mm² / m. The more expensive variety is kanthal A1, which contains more chromium. It can heat up to 1500 Celcius degress and more. and it owes its greater resistance – 1,45 Ω mm²/m.

The second type of resistance wires are NiCr 80:20 chromium-nickel wires made of nickel and chromium alloys. This type of wire is primarily characterized by high corrosion resistance. Its resistance is about 1.1 Ω mm²/m . It is non-magnetic, heat-resistant and much more durable than kanthal. It is much more resistant to cracking despite repeated use.

That is way we in Hot-Cut decided to use chromium-nickel wire in our machines. Our guillotines are equipped with the highest quality wire. It ensures longer machine operation using one wire. In our store you can buy ready-made wires matching all Hot-Cut machines.

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