We can also manufacture heating elements using platinum or platinum alloy (platinum with 13% rhodium). Since platinum can be used up to temperatures of 3092ºF (1700ºC) even in air, hot air exceeding 1832°F (1000ºC) can be obtained if platinum is used for heating element of hot air heaters.
However, it cannot be used for a long time at such temperatures. The melting point of platinum is 482ºF (250ºC) higher compared to 2732ºF (1500°C) of the Kanthal alloy, only a thin wire can be used as the cost of platinum is high. It is considered that the difference with Kanthal alloy is not significant since an oxidation film is not formed.
Platinum heaters are better suited for applications requiring cleanliness than for applications of ultra-high temperature. For temperatures up to 932ºF (500ºC), the clean heater (CLH) is superior in terms of cleanliness and cost, and platinum heaters are suitable for clean heating above that temperature. Platinum heaters can be manufactured in compact sizes and are suitable when there are limitations on the size.
In addition to hot air heaters, if you require heaters using platinum, we will accept it as a special order.