Towel rack selection:

Heating pipe material: incoloy800 nickel alloy seamless steel pipe Nickel-chromium or nickel-manganese stranded lead: temperature resistance above 1280℃ Heating wire material: nickel-chromium wire: (NiCr8020) (temperature resistance above 1200 ℃) Insulation material: magnesium oxide powder with high temperature resistance not lower than 1600 ℃ (purity > 97%) Magnesium oxide rod with low temperature resistance not lower than 1600 ℃ (purity <99.2%)