Expanded Perlite Powder 1100°C Insulation Grade Made in Iran

1. Introduction to the Supply Chain Department at Sahi Rasa Company

The Supply Chain Department at Sahi Rasa Company has developed a specialized expertise in the export of expanded perlite, a unique volcanic mineral that undergoes remarkable transformation when heated. The department's technical team understands that perlite is not a single product but a family of materials whose properties—density, particle size, porosity, and strength—can be tailored through precise control of the expansion process. This understanding allows the department to serve a diverse clientele, from construction companies seeking lightweight aggregates to filtration plants requiring high-flow filter aids.

The department sources raw perlite ore from Iranian deposits known for their high silica content and consistent expansion characteristics. The ore is processed in expansion furnaces where it is heated to approximately 1,100°C, causing the water trapped in the volcanic glass to vaporize and expand the material into a cellular, frothy structure. The expanded perlite is then classified into various grades, from coarse dust for construction to fine micronized powder for filtration and fillers.

For clients in Afghanistan, the Kurdistan Region, Iraq, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, and Syria, the Supply Chain Department at Sahi Rasa Company offers a reliable supply of expanded perlite in the form and grade that best suits their application. The department's logistics team is experienced in handling the low-density material, ensuring that shipping costs are optimized and product integrity is maintained.

2. Product Overview

Perlite is a naturally occurring volcanic glass that expands dramatically when heated. The expansion process, which occurs at temperatures between 900°C and 1,100°C, transforms dense perlite ore into a lightweight, porous material with a density as low as 0.08 g/cm³. This expanded perlite is valued for its thermal insulation, fire resistance, chemical inertness, and high absorption capacity.

Iranian expanded perlite powder is produced by grinding and classifying expanded perlite into fine particle sizes. The chemical composition of the perlite—approximately 72–76% SiO₂, 10–14% Al₂O₃, and smaller amounts of Na₂O, K₂O, Fe₂O₃, and CaO—gives it excellent thermal stability and chemical resistance. The material is inorganic, non-combustible, and rot-proof, making it suitable for long-term applications in construction and industry.

Primary Applications:

Construction: Expanded perlite is used as a lightweight aggregate in insulating concrete, plaster, and render. It is also used as loose-fill insulation in masonry blocks, cavity walls, and attics. Perlite-based fireproofing sprays and chimney fills are used for fire protection.

Insulation: Perlite is used for cryogenic insulation in liquefied gas storage tanks and pipelines, and for high-temperature insulation in furnaces, kilns, and foundries. It is also used in refractory blocks and bricks where service temperatures do not exceed 1,100°C.

Filtration: Expanded perlite is used as a filter aid in the clarification of beverages (beer, wine, juice), water treatment, and industrial process filtration. Its low density and high surface area make it effective at removing fine particles.

Horticulture: Perlite is used as a soil amendment and growing medium in horticulture, providing aeration, drainage, and water retention. It is used in greenhouses, nurseries, and landscaping.

Foundry: Perlite is used in foundry applications for ladle topping, hot topping, and risering, where it provides thermal insulation and prevents shrinkage cavities in castings.

Chemical and Industrial: Perlite is used as a filler in paints, coatings, plastics, and rubber. It is also used as a carrier for pesticides, fertilizers, and chemicals.

3. Physical Specifications Table

4. Chemical Specifications Table

5. Industries & Factories Using This Product

Iranian expanded perlite powder is utilized across a remarkably diverse range of industries, each benefiting from its unique combination of low density, thermal insulation, and chemical inertness.

Construction and Building Materials Industry: Construction companies use perlite in lightweight insulating concrete for roof decks, floor fills, and precast panels. Producers of perlite-based plasters and renders use it for walls and ceilings. Manufacturers of fire-rated door cores and ceiling tiles use perlite for its fire resistance. Producers of joint compounds and spackling use perlite as a lightweight filler. Manufacturers of acoustic sprays and panels use perlite for sound absorption. Producers of chimney fills and fireplace liners use perlite for insulation and fire protection.

Insulation Industry: Manufacturers of cryogenic insulation use perlite for liquefied natural gas (LNG) tanks, pipelines, and cold storage facilities. Producers of high-temperature insulation use perlite for furnace linings, kiln insulation, and foundry applications. Manufacturers of refractory bricks and castables use perlite as a lightweight aggregate. Producers of insulating panels and boards use perlite for thermal and acoustic insulation.

Filtration Industry: Beverage producers (beer, wine, juice) use perlite filter aids for clarification. Water treatment plants use perlite for turbidity removal and solids filtration. Industrial processors use perlite for filtration of chemicals, pharmaceuticals, and food products. Manufacturers of swimming pool filters use perlite as a filter medium.

Horticulture and Agriculture Industry: Greenhouses and nurseries use perlite as a growing medium for vegetables, flowers, and seedlings. Landscapers use perlite for soil amendment and potting mixes. Farmers use perlite for soil conditioning and water retention. Producers of hydroponic systems use perlite as a substrate.

Foundry Industry: Foundries use perlite for ladle topping to insulate molten metal and facilitate slag removal. Producers of castings use perlite in hot topping and risering to prevent shrinkage cavities. Manufacturers of foundry cores and molds use perlite as a cushioning agent to accommodate sand expansion.

Chemical and Industrial Industry: Paint and coating manufacturers use perlite as a matting agent, filler, and rheology modifier. Plastics and rubber processors use perlite as a lightweight filler. Manufacturers of sealants and adhesives use perlite as a filler. Producers of cleaning products and abrasives use perlite for its mild abrasive properties.

Oil and Gas Industry: Perlite is used as a proppant in hydraulic fracturing operations, where its low density and high strength help to prop open fractures and enhance oil and gas recovery.

The Supply Chain Department at Sahi Rasa Company serves clients in all these industries, providing expanded perlite in the grade and form that best suits their needs.

6. Key Properties & Advantages

Iranian expanded perlite offers a unique combination of properties that make it valuable across diverse applications.

Ultra-Low Density: With a density of 0.08–0.12 g/cm³, expanded perlite is one of the lightest mineral materials available. This reduces shipping costs, facilitates handling, and allows for the production of lightweight concrete and plaster.

Excellent Thermal Insulation: Perlite's cellular structure traps air, providing outstanding thermal insulation. This reduces energy consumption in buildings and industrial processes.

Fire Resistance: Perlite is inorganic, non-combustible, and fire-resistant, making it ideal for fire-rated applications such as door cores, ceiling tiles, and fireproofing sprays.

Chemical Inertness: Perlite is chemically inert and resistant to acids, alkalis, and solvents. It does not react with other materials in a formulation, ensuring stability and longevity.

High Porosity and Absorption: Perlite's porous structure gives it high absorption capacity, making it effective as a carrier for liquids and as a filter aid.

Sound Absorption: Perlite's cellular structure also provides sound absorption properties, making it useful in acoustic applications.

Rot-Proof and Durable: Perlite is inorganic and does not support mold, mildew, or bacterial growth. It is rot-proof and durable, ensuring long service life.

Competitive Pricing: Iran has abundant perlite reserves and efficient processing facilities, allowing the department to offer competitive pricing.

7. Chemical Formula / Size & Packaging Specifications

Chemical Formula: Amorphous volcanic glass, primarily SiO₂·nH₂O with Al₂O₃, Na₂O, K₂O, Fe₂O₃, and CaO.

CAS Number: 93763-70-3.

Packaging Options: 50 L woven bags, 100 L woven bags, 1 m³ jumbo bags, and custom packaging upon request.

8. Available Grades, Sizes, Qualities & Custom Colors

Quality Grades: Construction Grade, Insulation Grade, Filtration Grade, Horticultural Grade, Foundry Grade.

Custom Options: Custom particle sizes and packaging available.

9. Sahi Rasa Supply Chain Department Services for International Factories

The Supply Chain Department at Sahi Rasa Company offers a comprehensive suite of services for international factories procuring Iranian expanded perlite.

Monthly & Weekly Supply Planning: The department aligns supply with client production schedules, ensuring that construction companies have perlite when they need it and filtration plants have a steady flow of filter aids.

Sourcing & Procurement: With access to multiple perlite producers, the department secures high-quality material at competitive prices.

Sample Dispatch: Samples are provided for testing and approval.

Custom Manufacturing (OEM/ODM): Custom particle sizes and packaging are available.

Pre-Shipment Quality Control: Density, particle size, and moisture content are verified before shipment.

Loading & Handling: Proper loading and securing of low-density materials, with attention to volume optimization.

Export Documentation: Full export documentation support.

International Transportation: Sea, land, and air transport arranged, with a focus on cost-effective shipping of low-density material.

Export Customs Clearance: Handled by customs brokers.

Import Customs Clearance: Can be arranged at destination.

On-Site Technical Team Deployment: Technical support for perlite handling and application.

Training & Knowledge Transfer: Training on the use of perlite in construction, insulation, and filtration.

10. Why Choose the Supply Chain Department at Sahi Rasa Company?

The department offers high-quality expanded perlite, consistent performance, competitive pricing, and reliable export services to clients in Afghanistan, Iraq, Kurdistan, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, and Syria.

11. Ordering & Contact Information

International customers can place orders through the Request for Quotation (RFQ) form located at the bottom of this page. The expert team at the Supply Chain Department at Sahi Rasa Company will respond to all inquiries as soon as possible, providing complete information on pricing, delivery schedules, shipping terms, and export documentation.