High-Quality Perlite Powder for Construction, Horticulture & Industry
Exporting High-Quality Perlite and Powder from India Worldwide
HTMC Group is a preeminent perlite manufacturer in India, known for producing high-quality, industrial-grade perlite that adheres to global standards. Our perlite products are utilized widely in the construction, horticulture, insulation and filtration industries. As reliable perlite suppliers in India, we guarantee that each batch of perlite powder is processed and packaged carefully, creating the highest purity with performance traits unavailable from local Indian manufacturers.
As a reliable Perlite Powder exporter in India, we serve global clients on the basis of quality and prompt delivery. Our products have diverse applications in lightweight concrete, plaster, insulation boards, soil conditioning and hydroponics.
Perlite Powder Manufacturing Process – Overview
Perlite is a naturally occurring volcanic glass that expands when heated, forming a lightweight, porous material. The manufacturing process of perlite powder involves several key steps:
1. Mining
- Raw Material: Perlite ore is mined from volcanic deposits.
- It is typically obtained through open-pit mining and then transported to processing facilities.
2. Crushing and Screening
- The raw perlite ore is crushed and screened to the desired size.
- Impurities and oversized particles are removed to prepare for heating.
3. Pre-Heating (Optional)
- Sometimes, the ore is preheated to remove moisture, improving expansion efficiency during processing.
4. Expansion (Thermal Processing)
- The screened perlite is rapidly heated in a furnace or expansion chamber at temperatures around 850–1000°C (1560–1830°F).
- The water trapped inside the perlite vaporizes, causing the material to expand up to 20 times its original volume.
- This results in a lightweight, white, porous material.
5. Milling/Grinding
- The expanded perlite is then ground into a fine powder, depending on the end-use (e.g., filter aid, construction additive, etc.).
6. Classification and Packaging
- The perlite powder is classified into different grades based on particle size.
- It is then packaged in bags or bulk containers for distribution.
Applications and Uses of Perlite: An Overview
Perlite is a naturally occurring volcanic glass that expands when heated, resulting in a lightweight, porous material with excellent insulating properties. Its unique characteristics make it highly versatile and valuable across various industries. Below are some of the primary applications and uses of perlite:
1. Construction Industry
● Lightweight Concrete and Plaster: Perlite is used as an aggregate in lightweight concrete and plaster to reduce weight without compromising strength. This improves insulation and fire resistance.
● Insulation: Due to its thermal insulation properties, perlite is commonly used in insulating panels, ceilings, and roofing materials.
● Fireproofing: Perlite is incorporated into fireproofing mixtures for steel structures and other building materials to enhance fire resistance.
● Fillers and Aggregates: They act as fillers in paints, sealants, and adhesives, improving texture and stability.
2. Horticulture and Agriculture
● Soil Amendment: Perlite improves soil aeration and drainage, making it ideal for potting mixes and seed starting. It helps retain moisture while preventing soil compaction.
● Hydroponics: Perlite is widely used as a growing medium in hydroponic systems because it provides good air circulation and supports root development.
● Seed Germination: Its sterile and lightweight nature makes it excellent for seed propagation and nursery applications.
3. Filtration
● Water and Beverage Filtration: Perlite is used as a filter aid for liquids, including water, wine, beer, and pharmaceuticals, due to its porous structure and inertness.
● Chemical Filtration: It serves as a filtering medium for various industrial chemicals and oils.
4. Industrial Applications
● Cryogenic Insulation: Perlite is used to insulate pipes, tanks, and vessels that operate at extremely low temperatures.
● Plastics and Rubber: Added as a filler to improve mechanical properties and reduce density.
● Mining and Metallurgy: Perlite is used as a lightweight aggregate in refractory bricks and as a carrier for various chemicals.
5. Environmental Uses
● Oil Spill Cleanup: Due to its absorbent nature, perlite is sometimes employed to clean up oil spills and chemical leaks.
● Wastewater Treatment: It assists in removing impurities from wastewater as a filtration aid.
Perlite Technical Specifications
| Property | Typical Value / Range | Description |
|---|---|---|
| Bulk Density (Loose) | 80 - 160 kg/m³ | Lightweight and varies based on grade |
| Particle Size | 0.5 mm to 5 mm (customizable) | Available in various grades to suit different applications |
| Moisture Content | ≤ 2% | Low moisture ensures long shelf life |
| pH Value | 6.5 – 8.5 | Neutral to slightly alkaline |
| Expansion Ratio | 4 to 20 times (depending on heating) | Volume increase during expansion |
| Water Absorption | 3 - 4 times its weight | Excellent water retention |
| Thermal Conductivity | 0.035 - 0.045 W/mK | Effective thermal insulation |
| Melting Point | 1250°C | High temperature resistance |
| Fire Resistance | Non-combustible | Suitable for fireproofing applications |
| Chemical Composition | - SiO₂: 70-75% - Al₂O₃: 12-15% - Na₂O: 3-5% - K₂O: 3-5% | Typical chemical constituents |
Product Packing Details / Safe Handling and Storage
Packing:
- Available in 10 kg, 25 kg bags, jumbo bags (500–1000 kg), and bulk shipments.
- Moisture-resistant, durable bags to protect product quality.
Safe Handling:
- Use dust masks, gloves, and goggles to avoid dust inhalation.
- Handle carefully to prevent spills.
Storage:
- Store in a dry, cool, and ventilated area.
- Keep bags sealed and away from moisture and direct sunlight.
- Avoid contact with strong chemicals.
High-Quality Perlite Products from HTMC Group
HTMC Group is one of the leading perlite manufacturers in India, along with being a trusted perlite supplier in India and a perlite exporter. We have industrial-grade perlite that can be used for construction, horticulture, filtration and insulation. Our perlite powder is lightweight and non-toxic and has been processed using the strictest quality procedures to ensure our products have been produced with consistency and purity. We deliver our products promptly at competitive prices while also providing timely and professional consultations. We serve both domestic and international customers. Choose HTMC Group for your perlite product needs, complemented by our professional support, as we have made lasting relationships with industries looking for reliable, multi-purpose inert minerals.
Frequently Asked Questions
Ans. Perlite powder is finely ground expanded perlite, known for its lightweight, porous nature, and is commonly used as a filler and insulator in various applications.
Ans. Perlite powder is widely used in construction (plasters, paints, coatings), filtration, cosmetics, and as a filler in plastics and rubber products.
Ans. It enhances insulation, reduces weight, improves fire resistance, and increases workability in concrete, plaster, and other building materials.
Ans. Yes, but it can produce dust. It’s recommended to use protective gear like masks and goggles to avoid inhaling dust during handling.
Ans. Store in a dry, sealed container or bag, away from moisture and direct sunlight, to maintain its quality and prevent clumping.
Powder mesh available
100
200
300
400
500
600
Packing Available
25kg Packing Bag
50kg Packing Bag
500/100kg Jumbo Packing Bag
Get in touch with us!
