Characteristics and Main Application Areas of Vermiculite

Vermiculite is a 2:1 layered silicate clay mineral with excellent physical and chemical properties. It can maintain air, moisture, and nutrients, and is commonly used in horticulture and agriculture.

Characteristics of Vermiculite   

Vermiculite, as a magnesium containing aluminosilicate secondary metamorphic mineral, has a series of unique physical and chemical properties. Its characteristics mainly include:

High water absorption: Vermiculite has a high water absorption capacity of up to 5 times its own weight, which makes it excellent in water retention and storage.

Acid and alkali resistance: Vermiculite can withstand certain concentrations of acid and alkali corrosion, such as sulfuric acid, hydrochloric acid, acetic acid, ammonia water, sodium carbonate, etc., showing strong chemical stability.

Non conductive: Vermiculite is a poor conductor of electricity, which makes it have certain potential applications in electrical insulation.

Low thermal conductivity: Vermiculite has excellent thermal insulation properties and is an ideal insulation material.

Sound absorption: The porous structure of vermiculite gives it a certain sound absorption effect, which can be used to improve indoor acoustic environment.

Corrosion and mold prevention: Vermiculite will not rot and has certain mold prevention properties, suitable for various occasions that require corrosion and mold prevention.

Expansion property: After high-temperature dehydration, vermiculite can rapidly expand to form porous expanded vermiculite, which further enhances its insulation performance.

The Main Application Areas of Vermiculite   

Based on the above characteristics, vermiculite has been widely used in multiple fields:

Agriculture and Horticulture:

As a soil amendment, vermiculite can improve soil structure, enhance soil permeability and water retention, and promote plant root growth.

In soilless cultivation, vermiculite  serves as the cultivation substrate, providing stable water and nutrient environment for plants.

In the field of architecture:

Expanded vermiculite is widely used as insulation material due to its low thermal conductivity, such as insulation bricks, insulation boards, etc.

In the sound insulation layer, the porous structure of vermiculite can effectively absorb noise and improve the comfort of indoor environment.

Industrial applications:

In the metallurgical industry, expanded vermiculite is used to maintain the temperature of the molten steel surface, improve the qualification rate and yield of steel.

Vermiculite can also be used as a filler in coating manufacturing to improve the performance of coatings.

In the field of environmental protection:

Vermiculite can adsorb radioactive elements and pollutants such as floating oil, and is used for nuclear waste treatment and environmental purification.

Other applications:

Vermiculite can also be used to make brake pads, spice carriers, cold insulation materials, etc.

In the field of packaging and transportation, vermiculite, as a packaging material, has the function of protecting products and preventing damage.

In summary, vermiculite plays an important role in multiple industries due to its unique physical and chemical properties and wide range of applications.

As a company specializing in mineral  , our business scope is very broad .We have inorganic chemical materials , iron ore types and mineral types . About the iron ore types ,we have different type of it .Such as iron powder , shell soil , mica powder , coated sand , activated bleaching clay, quartz sand , volcanic stone , vermiculite and pebble .About the vermiculite ,we have different size of it . Such as vermiculite 20mm , vermiculite 10mm and vermiculite 25mm .The vermiculite price in our company are reasonable . If you are interesting in our product welcome to contact us!