Does Magnesite Contain Asbestos In Australia
Sometimes. Magnesite is a magnesium carbonate mineral with a chemical composition of (MgCO3). Magnesite is an important industrial mineral, pure Magnesite is theoretically 47.8% magnesia (MgO) and 52.2% carbon dioxide (CO2). It is the source of two-thirds of the world’s magnesia (MgO); 25% is extracted from seawater, with the balance coming largely from brines.
World production of Magnesite is estimated to be 5.96 Mt with China being the major producer. Australia produced about 90,000 tonnes in 2013 with South Australia contributing 3,632 tonnes.
It is named after the presence of magnesium in its composition. Magnesite usually forms during the alteration of magnesium-rich rocks or carbonate rocks by metamorphism or chemical weathering. Magnesite is a specialised cementitious product that is based on Magnesium Oxychloride (or Magnesium Oxysulphate) types of cement.
The most common form involves the reaction between a Magnesium Chloride solution and Magnesium Hydroxide powder to form the cement binder. The finished product also contains a filling material which is commonly sawdust, wood fibres, cork, or can also contain ASBESTOS.
An owner’s corporation could be liable for diseases found to be caused by the ASBESTOS in Magnesite Floors. Magnesite Flooring is common property. To stop the possibility of claims being made against the strata scheme, the strata scheme will need to have an up-to-date asbestos register, asbestos management plan, and emergency procedures. Having this documentation may be a legal requirement for some strata schemes.
The removal of any Magnesite Flooring that contains ASBESTOS will need to follow an existing asbestos management plan and if one does not exist, one will need to be created to specifically manage such works.
Before all jobs commence you must obtain an “Asbestos Clearance Certificate” showing that the Magnesite Flooring has no asbestos content. If the Magnesite Flooring does have asbestos, you must contact a professional asbestos removal company.
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