WD-6 Medium Temperature Powder

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WD-6 Medium Temperature Powder
Posting date : Mar 28, 2014
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28-
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WD-6 is a medium temperature powder with light silicone treatment. Mainly used in air heating elements of medium wattage loading. Elements stuffed with this material are proposed to be annealed at 420℃ for 15 mins. Chemical Analysis (%) MgO CaO Al2O2 Fe2O3 SiO2 ≥94.0 ≤1.5 ≤0.9 ≤0.5 ≤2.5 Particle Distribution Mesh +40 +60 +80 +140 +200 +325 -325 Dia(um) +425 +250 +180 +106 +75 +45 -45 Quantity (%) 0-1 26-38 16-24 18-28 6-14 8-14 0-8 Tap Density 2.30-2.40g/cm3 Flow 3# Ford Cup(φ2.165mm-2.185mm):150-220s/100g 4# Ford Cup(φ3.97mm-4.01mm):32-38s/100g Electrical Property Testing Condition Tube ……SUS304 Reduction ……φ8.0mm→φ6.6mm Wire ……Ni80Cr20,φ0.35mm Helix ……φ2.3mm Heated length ……43.0cm-45.0cm Energized period ……15 mins Remark: Forusers’reference, the chart here shows typical values of performanceby this type of powder.

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