INTRODUCTION TO VERMICULITE AND ITS APPLICATION 

Vermiculite is a hydrous phyllosilicate mineral that undergoes significant expansion when heated. Exfoliation occurs when the mineral is heated sufficiently, and commercial furnaces can routinely produce this effect.

1. What is vermiculite

This product is a natural mineral that is used in various fields from construction to gardening. They are composed mainly of iron silicate - aluminum - magnesium. Vermiculite has many dimensions after removing soil and impurities. Vermiculite forms by the weathering or hydrothermal alteration of biotite or phlogopite.

2. Application of Vermiculite

Vermiculite has applications in many different fields. Below are some applications of Vermiculite commonly encountered in life. 

- Application of Vermiculite in agriculture

Vermiculite is combined with other materials such as peat or composted pine bark to produce a soilless growing medium for professional horticulturalists and for the home gardener. These mixes promote faster root growth and give quick anchorage to young roots. The mixture helps retain air, plant food, and moisture, releasing them as the plant requires them. 

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- Application of Vermiculite in the metallurgical industry:

This process involves mixing exfoliated vermiculite with inorganic bonding agents such as sodium silicate, cement (specific quantities), and other compounds, such as potassium ones, to produce an 'earth damp' mixture. This material is then hydraulically pressed into shape in a mold and then heat cured at temperatures up to 180 °C for up to 24 hours, depending upon the thickness of the molded part.

Such parts can withstand service temperatures of up to 1150 °C and are often used in the aluminum smelting industry as backup insulation behind the carbon cathode in the pot cells which contain the molten mixture of cryolite and alumina. The molded shapes and boards are used in:

- Application of Vermiculite stone in construction heat and sound insulation:

Because of the special properties of Vermiculite stones, they have a low coefficient of thermal conductivity, the ability to withstand high temperatures up to 1350oC, to burn and expand to increase volume at high temperatures, so it is resistant to heat and insulation. very good. At the same time, due to the special structure created by swelling, the sound insulation of Vermiculite is also outstanding. Therefore, for buildings that need heat and sound insulation, it is impossible without Vermiculite stone material.

The application of Vermiculite stone really proves that this is an indispensable material today. Currently, Mega Vietnam we are directly importing Vermiculite lines with stable quality and particle size in accordance with your requirements. In addition, we also provide technical services suitable for each application of Vermiculite such as applications for building materials, insulation, and can advise and support you in the best way. Contact Mega Vietnam Investment when you have a need to buy Vermiculite stone to serve your requirements.

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