Magnesium Oxide Powder (WD-3)

WD-3 is a low temperature powder with heavy silicone treatment, mainly used in low quality elements of low wattage loading or liquid heating elements. Elements stuffed with this material do not require annealing or sealing but with perfect moisture proof performance.

Tap Density
2.26-2.36g/cm3

Flow
3# Ford Cup(φ 2.165mm-2.185mm): 160-240s/100g
4# Ford Cup(φ 3.97mm-4.01mm): 34-40s/100g

Electrical Property
Testing Condition
Tube Copper coated iron
Reductionφ 8.0mm-φ 6.6mm
Wire 0Cr25A15, φ 0.30mm
Helixφ 2.3mm
Heated length 30.0cm-32.0cm
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.