Raw Perlite
Raw perlite is a natural glass of volcanic origin; it is a unique mineral containing a high percentage of silica and chemically bound water. While it has a hard and dense structure in its natural state, perlite expands when exposed to high temperatures, transforming into a lightweight, porous, and versatile material.
Due to this property, raw perlite is a strategic raw material used in many sectors, primarily in construction, agriculture, and industry.
How is Raw Perlite Formed?
Raw perlite is formed by the rapid cooling of lava resulting from volcanic eruptions. During this process:
- Lava cools instantaneously
- Water becomes trapped inside
- A glass-like structure is formed
When heated, this trapped water evaporates, expanding the perlite and increasing its volume by 10–20 times.
Technical Specifications of Raw Perlite
The prominent technical features of raw perlite are:
- High silica content
- Natural and inorganic
- High expansion capacity
- Heat resistant
- Chemically inert
- Environmentally friendly
Where is Raw Perlite Used?
Raw perlite is not used directly; it is generally processed and utilized in various sectors.
1. Construction Sector
- Lightweight concrete production
- Insulation materials
- Plaster and screed additive
2. Agricultural Sector
- Soil conditioner
- Plant growing medium
