WD-9 magnesium oxide powder is a Oxide product. Key specs — Origin: china; Price Term: FOB.
Product Description
Category Fused magnesia Rating Electrical grade magnesium oxide Model WD-9 High temperature powder Origin Dashiqiao city, Liaoning Characteristics WD-9 is a high temperature powder with light silicone treatment, mainly used in air heating elements of medium or high wattage loading. It can stand 1050℃ annealing and requires immediate sealing.
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 26-34 16-28 18-28 6-14 8-14 0-8 Tap Density 2.28-2.40g/cm3 Flow 3# Ford Cup(φ2.165mm-2.185mm):140-200s/100g 4# Ford Cup(φ3.97mm-4.01mm):31-37s/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 performance by this type of powder.
Packing 25kg in a carton, special packing is available on requirement. Security and Storage Electrical Grade Magnesium Oxide is non-toxic, but with some dust, masks and gloves are proposed to use during operation. Electrical Grade Magnesium Oxide should be stored in dry places, and are suggested to be used out within 12 months after delivery.
