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Electrical Grade Magnesium Oxide

2000.0 USD
Min. Order: 1 Ton
Trade Term: FOB
Payment Terms: Paypal, L/C, D/P, D/A, T/T, WU, Money Gram
Supply Ability: 200000000 tons
Place of Origin: Shanghai

Company Profile

Location: Shanghai, China (Mainland)
Business Type: Manufacturer, Trading Company
Main Products: Eletrical Grade Magnesium, Silicon Steel Grade Magnesium

Product Detail

Model No.: HC-1
Means of Transport: Ocean, Air, Land
Electrical Grade MgO: High temperature
Production Capacity: 200000000 tons
Packing: on request
Delivery Date: 30 days
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Product Description

Electrical grade magnesium oxide

Type  HC-1

Characteristics

HC-1 is a C-level product of high temperature MgO powder, mainly used in air heating elements of medium or low wattage loading . It can stand 1050℃ annealing and requires immediate sealing.

Chemical analysis (%)

MgO              CaO               Al2O3             Fe2O3             SiO2

≥94.0           ≤2.5             ≤0.9             ≤0.70           ≤2.5

Particle distribution (%)

Mesh                  +40         +60         +80         +140       +200       +325       -325

Dia(μm)          +425       +250       +180       +106       +75         +45         -45

Quantity(%)       0     24±6   26±6   26±6   12±3  11±3    5±3

Tap density

2.32.34±0.04g/cm3 

Flow

Ford cup no.3 (φ2.165mm-2.185mm):              180±20 s/100g

Ford cup no.4 (φ3.97mm-4.01mm):   34±3 s/100g



 

Testing condition:

     Tube      ^….   Incoloy 840

     Reduction ^… φ8.0mm →φ6.6mm

     Wire      ^…    Ni80Cr20, φ0.3mm

     Helix      ^…   φ2.2mm

     Heated length  ^…      1112.5px-1162.5px

     Energized period  ^… 15 minutes

Remark:For users' reference, the chart     here shows typical

values of performance by this type of powder.

The tube is treated at 1050℃ for 15Min, and  capacity     of 8w/cm2 is about 750W/155V.

 

 


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.

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.


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