Premium Volcanic Mineral

Perlite Expanded

SiO2·Al2O3·nH2O

The remarkable expanded volcanic glass — ultra-lightweight, excellent insulation, and superior filtration for construction, horticulture, and industrial applications.

Ultra Light
Insulating
Filtration
ISO Certified
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12+Grades
8+Industries
40+Countries
25+Years
Perlite - 20 Microns
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Product Overview

About Perlite

Understanding the fundamentals of perlite

Product Overview

The Remarkable Expanded Glass

Perlite is a naturally occurring volcanic glass that expands 4-20 times its original volume when rapidly heated, creating an ultra-lightweight, porous material.

Its unique cellular structure provides exceptional thermal insulation, acoustic properties, and filtration capabilities, making it invaluable across construction, horticulture, and industrial sectors.

Volcanic Expanded Processed
SiO2·Al2O3·nH2O

Chemical Formula

Perlite

Chemical Properties
  • SiO2 Content70-75%
  • Al2O3 Content12-15%
  • K2O + Na2O7-9%
  • Water Content2-5%
Physical Properties
  • Bulk Density30-150 kg/m³
  • Expansion4-20x
  • Softening Point870-1100°C
  • pH6.5-8
30-150
kg/m³ Density
4-20x
Expansion
<0.05
W/mK Thermal
ISO
Certified

Natural & Sustainable

Natural volcanic mineral, inert and non-toxic.

NaturalInertNon-Toxic
Perlite expansion process
Volcanic Origin

From Volcanic Glass
to Ultra-Light Material

Processed through controlled expansion to create consistent, high-performance lightweight aggregate.

5 Billion+Tons Global Reserve
25+Years Processing
2+Expansion Plants
Ultra lightweight
Excellent insulation
Inert and sterile
Natural origin
Versatile use
Advantages

Key Benefits

Why perlite is the preferred choice for industry leaders worldwide

01

Ultra Lightweight

Extremely low bulk density (30-150 kg/m³) reduces structural load and transport costs.

02

Thermal Insulation

Low thermal conductivity (<0.05 W/mK) provides excellent insulation in construction.

03

Acoustic Properties

Porous structure absorbs sound for acoustic insulation applications.

Perlite
30-150kg/m³
6Key Benefits
8+Industries
04

Filtration Medium

Unique structure makes it ideal filter aid for beverages and pharmaceuticals.

05

Horticultural Benefits

Improves aeration, drainage, and moisture retention in growing media.

06

Fire Resistant

Non-combustible and rated for fire-resistant construction applications.

Industrial manufacturing excellence
World Class Quality

Industry-Leading Performance
at Every Scale

Trusted by leading manufacturers across 50+ countries for consistent, high-purity perlite that meets international standards.

ISO 9001 EcoVadis Gold REACH Compliant Lab Certified
ISO Certified
Global Supply
Lab Tested
Fire Rated
Product Range

Available Grades

Comprehensive range of perlite grades for diverse industrial applications

Precision quality testing of perlite grades

Precision Engineered Grades

Every grade is meticulously tested in our state-of-the-art laboratories to meet the most demanding industrial specifications worldwide.

kg/m³ Density30-150
Expansion4-20x
W/mK Thermal<0.05
CertifiedISO
Most Popular
Construction

Construction Grade

Insulation

Expanded perlite for lightweight concrete, plaster, and insulation boards.

  • Lightweight
  • Insulating
  • Fire resistant
Learn More
Horticultural

Horticultural Grade

Growing Media

Sterile perlite for seed starting, hydroponics, and soil amendment.

  • Sterile
  • Good drainage
  • Aeration
Learn More
Filter

Filter Grade

Filtration Aid

Fine perlite for beverage filtration and pharmaceutical applications.

  • High purity
  • Consistent sizing
  • Food safe
Learn More
Industrial

Industrial Grade

Cryogenic

Perlite for cryogenic insulation and industrial applications.

  • Low thermal
  • Cryogenic
  • Industrial
Learn More
Product Statistics
4Grade Categories
12+Product Variants
VariousParticle Sizes
Request Custom Grade
ISO 9001 Certified Global Delivery Technical Support Custom Grades
Applications

Industries & Applications

Versatile applications across diverse industry verticals worldwide

Construction

Construction

Lightweight concrete, insulation boards, plaster, and roof insulation.

ConcretePlasterInsulation
<0.05W/mK
Horticulture

Horticulture

Growing media, hydroponics, seed starting, and soil improvement.

HydroponicsSoilGrowing
SterileMedium
Filtration

Filtration

Filter aid for beer, wine, juice, and pharmaceutical applications.

BeerWinePharma
CrystalClarity
Cryogenic Insulation

Cryogenic Insulation

Insulation for LNG tanks, cold storage, and cryogenic equipment.

LNGCold StorageCryo
-196°CRated
Fireproofing

Fireproofing

Fire-resistant coatings, boards, and structural fireproofing.

Fire RatedCoatingsSafety
A1Fire Class
Plastics & Composites

Plastics & Composites

Lightweight filler in plastics, rubber, and composite materials.

PlasticsRubberComposites
LightFiller
8+Industries
12+Applications
40+Countries
350+Customers

Need a Custom Solution?

Our experts help you find the perfect grade

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Our Promise

Why Choose 20 Microns?

World-class quality minerals backed by decades of expertise & innovation

20 Microns state-of-the-art manufacturing facility

Years of
Excellence

ISO 9001
Ultra Light
Premium
Fire Rated

Our perlite is sourced from premium volcanic deposits and processed through controlled expansion to deliver consistent quality and performance.

Premium Source

High-quality volcanic deposits

Controlled Expansion

Precise processing technology

Consistent Quality

Batch-to-batch reliability

Technical Support

Expert application assistance

Start Your Journey With Us
Key Metrics
2+Expansion Plants
40+Countries Served
350+Happy Customers
25+Years Experience
EcoVadis Gold Sustainability Rating
30-150kg/m³ Density
R&DInnovation
24/7Logistics
ExpertSupport
Knowledge Base

Frequently Asked Questions

Get answers to common questions about Perlite

Knowledge Center

Find detailed answers about specifications, applications, and technical details.

4Questions
24/7Support
TechnicalApplicationsGradesQuality

Still Have Questions?

Our team is here to help

Contact Us
01

What is expanded perlite?

Expanded perlite is volcanic glass heated to 850-900°C causing it to expand 4-20 times its original volume into a lightweight, porous material.

Volcanic Expanded Lightweight
02

Is perlite safe for plants?

Yes, perlite is sterile, pH neutral, and chemically inert, making it ideal for horticulture without affecting plant chemistry.

Sterile Inert Safe
03

What sizes are available?

We offer perlite in various grades from fine (filtration) to coarse (construction), with particle sizes from 0.1mm to 5mm.

Fine Medium Coarse
04

Is perlite fire resistant?

Yes, perlite is non-combustible and rated Class A1 for fire resistance, making it ideal for fireproofing applications.

Non-Combustible Class A1 Fire Safe

Still have questions?

Our technical experts are available to provide detailed answers

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Industry Applications

Product Applications

Perlite serves as a critical input across diverse industrial sectors worldwide

01

Construction

Lightweight concrete and insulation.

02

Horticulture

Growing media and hydroponics.

03

Filtration

Beverage and pharma filtration.

04

Cryogenic

LNG and cold storage insulation.

05

Fireproofing

Fire-resistant applications.

06

Fillers

Lightweight filler in composites.

07

Coatings

Texture and insulation coatings.

08

Industrial

Absorbents and carriers.

8+Application Sectors
12+Product Grades
40+Countries Served
350+Industry Clients
Perlite industrial applications worldwide
Global Industrial Reach

Powering Industries Across
50+ Countries

From cosmetics to oil & gas — perlite is the essential mineral behind thousands of products you use every day.

Need a Specific Grade for Your Application?

Our experts will guide you to the perfect perlite solution

Request Expert Consultation
Product Video

See It In Action

Watch how 20 Microns' Perlite powers real-world industrial applications

Perlite in Action – 20 Microns
YouTube
Official Product Film

Perlite - The Versatile Volcanic Mineral

20 Microns Limited · Official Channel

About This Video

Discover how 20 Microns' Perlite grades deliver superior performance across industrial applications.

  • Product manufacturing overview
  • Quality control processes
  • Application demonstrations
  • Global supply capabilities
Watch on YouTube

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