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What is resistance? What Does Resistance Mean?

The resistor, which has an important place in electrical terminology, is a kind of heating element. The definition of resistance can be made as follows: "It is a group of components designed to realize the purpose of heating, containing both conductive and insulating materials."

Another definition is as follows: "Resistance wires that convert electrical energy into heat energy."

Resistances are components that have a thermal resistance up to 1400 °C and show a high resistivity. It is mostly manufactured from Fe (Iron) alloys containing Cr (Chromium), Al (Aluminium) and Ni (Nickel) in its structure. It is also referred to as Cr-Ni (Chrome-Nickel) wire among the people and in some sources.

Cr, which is in the alloys that make up the resistance, increases the thermal resistance against the heat produced. Ni element provides protection against chemical factors. Al, on the other hand, prevents the heated wire from rusting due to the oxygen in the air after it becomes charred. If aluminum is not included in the resistance alloys; heating efficiency decreases and wires rust.

Usage Areas of the Resistance

Resistances are used in almost every field and sector as a part of our lives. It can be mentioned in a wide variety of usage areas from residential heating needs to commercial and industrial needs. Design, components and technical features of the resistor; are the factors that determine the usage area.

Areas of use for residential and personal needs:

  • Hair dryers,
  • Ovens,
  • Electric stoves,
  • Water heaters,
  • Toasters,
  • Washing machines,
  • Electrical appliances.

Areas of use for commercial and industrial needs:

  • In order to keep the food warm in businesses such as hotels, hostels, restaurants,
  • Pipe machines, corrugated and bell-shaped pipe molds, carpet yarn reels and some applications with reverse heating,
  • In applications requiring hot air; in processes such as oven heating, space heating, air duct heating, flexo compression and dehumidification,
  • In plastic extrusion, plastic welding processes, plastic blowing process, packaging production,
  • Construction industry equipment, laboratory equipment, woodworking industry, high vacuum applications,
  • Plate and mold heating, food processing, rubber molding,
  • In almost every process that requires warming up in the automotive sector,
  • In heating applications with high energy saving expectations.

Types of Resistance

Resistors are systems or devices used to increase the temperature of various items, materials or equipment or add thermal energy to them. Factors such as usage areas, physical properties, energy consumption values and thermal resistance properties; It has brought the product to be produced with different designs and therefore to diversify.

Open Buffet (Chafing) Resistances

Electric heating elements occupy an important place in the food service industry. Open buffet (chafing) resistances used in almost every part of the sector from farm to table; They are components that have a wide area of ​​use, offer easy assembly, and stand out with their energy saving values.

Buffet heaters are designed with and without thermostat options. It keeps the food hot or cold (at the desired temperature) according to the need and usage area. It is produced with very different design features and technical features.

Wire Cassette Heaters

Wire cassette heaters are one of the most efficient heating elements and also the most economical choice for most heating applications. Wire cassette heaters, generally used in the duct heating industry, have open circuits that heat the air directly via suspended resistive coils. These industrial heating elements; It stands out with its advantages such as fast warm-up times that increase productivity, low maintenance costs and cheap spare parts.

It is an ideal product for simple space heating applications. It has smaller dimensions compared to finned tubular heating elements. It releases heat directly into the air stream. Important heating properties such as fast reaction time, large surface area, even heat distribution; wire cassette heaters have become one of the most preferred products.

Mold Resistances

In molding applications, mold temperatures directly affect the quality of the product. For this reason, the selection of the ideal resistor to be used should be done carefully. It is possible to group mold resistances as follows:

Mica Plate Heaters: 400 °C operating temperature, 110 V to 400 V values, can be produced with different sheet properties such as galvanized, stainless steel and aluminized steel, with cabling options such as silicon cable and glass fiber, with iron plug and European plug. It is a special type from which any of them can be selected.

Sequined Mica Heaters: It is one of the types that can be designed with optional special dimensions and optional features. It is needed in a wide variety of areas in the processing of plastic raw materials, packaging applications, extruder molds and the textile industry. The material available in mica plate heaters is produced specifically for customers with its V and connection features.

Plateless Ceramic Heaters: It is one of the types used in the plastic raw material production and processing industry. It can be designed with any of the enclosure types such as stainless steel, aluminum steel and galvanized sheet.

Plate Ceramic Heaters: Plate ceramic heaters with an operating temperature of up to 600 °C are used in welding molds of packaging machines.

Pipe Heaters

Tubular heaters are the most versatile of all electric heating elements. They can be designed in almost any configuration. Tubular resistors; It performs exceptional heat transfer through conduction, convection and radiation to heat liquids, air, gases and surfaces.

There are varieties such as oil heater, oven, sauna, bar, washing machine, water heater, coffee machine, rotary cooker, straight pipe, defrost, sleeved, serpentine pipe, chocolate machine, toaster, grill, tea machine and fryer resistance.

Cartridge Resistances

It is one of the most efficient types of resistors that can be used in heavy operating conditions where high heating values are required. It reaches the desired temperature quickly, requires less energy, and offers a wide range of industrial use; are the prominent features of cartridge resistances.

Industries that commonly use cartridge resistors include the medical industry, food manufacturing, packaging and plastic molding. However, it is a versatile and durable heating element, making it an ideal option for many heavy-duty applications.

Clamp Resistances

Clamp resistors are annular heating devices clamped around a cylindrical element. Heat transfer from the clamp resistors takes place by the conductive method. Most clamp resistors clamp onto the outside diameter of a cylindrical element and heat the element from the outside. Some products clamp to the inside diameter of a pipe. Typically, clamp resistors are fitted with ceramic or mica insulation to reduce heat loss to the environment.

The selection of clamp resistors requires performance analysis. Parameters to consider are: maximum operating temperature, maximum load, operating voltage, high voltage stability, performance tolerance, clamp type, temperature sensor type, diameter and length values.

Ambient Heaters


Panel Heaters

Braking Resistors

Barrel Heaters


Resistance Prices

Among the heating and cooling elements, the heating elements stand out with their wide product variety; usage area, working environment, physical properties, production method, design, type of material used, thermal resistance value, power properties, etc. produced according to many criteria. These criteria are the factors that affect the prices of the product.

After choosing the type of resistance you need, you can fill out the form on the "Contact" page on our website, and contact us via our phone numbers or e-mail address so that we can send you a clear offer about the resistance prices.

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