Nichrome in isolation
Central Tokorozawa residential use CR20NI80 wire section 0,2−2 mm. It is isolated by vitreous that has t° melting point of 500 °C. to STEKLONiT thickness of about 2 mm, is wound on ecoprodexpo mine turn to turn. This isolation can withstand a breakdown voltage of not less than 1250 V. GINN (flexible insulated heater) wound on the frame only in one layer to avoid overheating. The minimum bending diameter should be at least 5 times the diameter of the conducting core.
GOST 10994−74 involves the use of nichrome in isolation in thermoelectric plants high reliability heaters for electric furnaces, furnaces for drying and firing, heating of structures, heated seats of the car. Particularly relevant nichrome in isolation in harsh environments.
— heat resistance and heat resistance, even under conditions of constant interaction with aggressive environments (temperature in the working area can reach one thousand two hundred and fifty degrees);
— the ability to maintain dimensional stability under high temperatures;
— consistently high electrical resistance, essential in the production of heaters.
Prices for this type of prefabricated nichrome not too stable, they can fluctuate depending on Nickel prices. Although given the rather expensive raw material and the processing material, it should be noted that too low price of nichrome in isolation did not fall never. However, the high performance characteristics and reliability of operation offset the costs.
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