Speciality Chemicals

Fumed Silica

SiO2 (Pyrogenic)
Fumed Silica
Speciality ChemicalsFumed Silica
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Product Overview

About Fumed Silica

The Fusyl Series represents 20 Microns’ advanced range of fumed silica (pyrogenic silica) designed for superior performance in paints, coatings, and specialty applications. Produced through flame hydrolysis , Fusyl fumed silica is a non-crystalline, high-purity colloidal silicon dioxide. Its unique three-dimensional network of ultra-fine nanoparticles provides an exceptionally large surface area, making it highly effective as a rheology modifier, thickener, anti-sagging agent, and reinforcement additive.

Appearing as a white, fluffy powder, Fusyl fumed silica enhances stability, transparency, and mechanical strength across diverse formulations — from industrial paints and protective coatings to powder coatings and epoxy systems.

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Advantages

Key Benefits

Why Fumed Silica is preferred across demanding industrial formulations.

01

Excellent anti-sagging & anti-settling properties

02

Strong thickening & rheology control

03

Improves transparency and gloss retention

Fumed Silica benefitsPerformance engineered by 20 Microns
04

Enhances stability & shelf life of formulations

05

Provides matting effect when desired

06

Increases mechanical strength & durability

Quality AssuredISO Certified
Lab TestedEvery Batch
ResponsibleSustainable
Global DeliveryWorldwide
Product Range

Available Grades

01

Standard Grade Fumed Silica

General-purpose Fumed Silica for industrial applications.

02

Premium Grade Fumed Silica

High-purity Fumed Silica for demanding applications.

Solutions

Product Applications

Fumed Silica supports a broad range of industrial processes and finished-product requirements.

Industrial paints
01

Industrial paints

Fumed Silica
Protective Coatings
02

Protective Coatings

Fumed Silica
Flame retardant paints
03

Flame retardant paints

Fumed Silica
Anti radiation coatings
04

Anti radiation coatings

Fumed Silica
Epoxy phenolic anticorrosive paints
05

Epoxy phenolic anticorrosive paints

Fumed Silica
Quick-dry wall paints
06

Quick-dry wall paints

Fumed Silica
Powder coatings
07

Powder coatings

Fumed Silica

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Product Markets

Fumed Silica Markets

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Product Support

Frequently Asked Questions

Important information about Fumed Silica, grades and applications.

A nano-sized silica powder used as a thickener, anti-sagging, and rheology modifier.

Hydrophilic works in water-based systems; hydrophobic offers water resistance in solvent systems.

Prevents sagging, settling, and improves stability and finish.

Paints, coatings, adhesives, sealants, and construction materials.

Choose based on system polarity and required effect (thickening, matting, stability).

Product Video

See It In Action

Watch how Fumed Silica supports real-world industrial applications.

Fumed Silica product video
YouTubeOfficial Product Film
Fumed Silica — Product Film20 Microns Limited · Official Channel
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