WD-7 is an Aluminium Tube Powder with heavy silicone treatment and higher tap density, especially suitable for aluminum elements. Elements stuffed with this material are proposed to be annealed at 300degree for 1.5 hours or at 420degree for 15mins.

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 s ested to be used out within 12 months after delivery.

3# Ford Cup（φ2.165mm－2.185mm）：160－240s/100g

4# Ford Cup（φ3.97mm－4.01mm）：34－40s/100g