electrical grade magnesium oxide for Water Dispenser Tube(low temperature appliances tube)
electrical grade magnesium oxide for Water Dispenser Tube
1.Type
Water Dispenser Tube Powder (low temperature appliances tube)
2.Characteristics
Water Dispenser Tube Powder is mainly used in low wattage loading ≤6 w/cm2 in air and water heating elements. After the tube made, the electrical heating element must 300°C,1.5 hours anneal, but without sealing.
3.Chemical analysis (%)
MgO | CaO | Al2O3 | Fe2O3 | SiO2 |
≥93±3 | ≤1.5±0.5 | ≤1.5±0.5 | ≤0.6 | ≤3±2 |
4.Particle distribution
Mesh | +40 | +60 | +80 | +140 | +200 | +325 | -325 |
Dia(um) | +425 | +250 | +180 | +106 | +75 | +45 | -45 |
Quantity(%) | 0-1 | 30±5 | 20±5 | 25±5 | 10±5 | 10±5 | 5±2 |
5.Tap density
2.31±0.03g/cm3
6.Flow
Ford cup no.3 (φ2.165mm-2.185mm): 195±15s/100g
Ford cup no.4 (φ3.97mm-4.01mm):36±4s/100g
7.Electrical property
8.Packing
25 kg in a plastic plaited bag; or 25 kg in a carton and 2 tons on a pallet. Special packing is available on requirement.
9.Security and storage
Electrical grade magnesium oxide is a non-toxic product, 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.
10.Contact Information
Fengcheng Fenghua Magnesium Co.,Ltd.
Qin Zhiguo
General Manager
Tel:+864158234698
Fax:+864158230719
Mobile: +8613700155443
Address:No.39,Hejiagouxipu,Fengcheng City
Liaoning Province,China P.C.:118100
