Special High Temp. MgO for High Power Cartridge Heater G1-1（Marine Magnesium）

● Features

G1-1 is mainly used for high-power cartridge heaters. The raw material is fused magnesium using the magnesite derived from seawater with chemical methods and fired at 2700°C. It has low SiO2 and extremely high heat resistance and slag resistance.

This kind of MgO powder has MgO ⩾99%, extremely low Fe2O3, higher whiteness, and good electrical properties. It can be applied in cartridge heaters with surface loading ⩽10W/cm2, and the leakage current is less than 0.2mA.

● Chemical Analysis

*The properties are the typical values and not the guaranteed values.

● Physical Properties

● Particle Size Distribution

● Electrical Properties

● Test Condition

*The properties are the typical values and not the guaranteed values.

● Packaging

5Kg in a woven bag. Special Package is available on requirements.

● Remarks

1. G1-1 is treated without silicone or treated with pretty light silicon oil.

2. Electrical grade MgO powder is non-toxic, but with some dust. It is recommended to wear anti-dust respirators and gloves during operation. 

3. The elements can stand 1050℃ annealing for 15-30 minutes and requires immediate sealing.

4. Electrical grade MgO powder should be stored in dry places, and best used within 6 months after delivery.