Industrial Minerals

Wollastonite

CaSiO3
Wollastonite
Industrial MineralsWollastonite
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Product Overview

About Wollastonite

Wollastonite is a white non-metallic acicular structured calcium metasilicate compound that is produced by using selected raw materials, with high heat resistance for use as the main flux in high-temperature sanitary ceramics, tiles, and electrical insulators. Finely ground white powder of wollastonite is produced for other industries such as Plastics Paints, Brake linings, Adhesives, and sealants.

Advantages

Key Benefits

Why Wollastonite is preferred across demanding industrial formulations.

01

High Aspect Ratio

02

Low Thermal Expansion

03

Thermal Stability

Wollastonite benefitsPerformance engineered by 20 Microns
04

Asbestos Replacement

05

Neutral to Alkaline pH

06

Faster Firing

Quality AssuredISO Certified
Lab TestedEvery Batch
ResponsibleSustainable
Global DeliveryWorldwide
Product Range

Available Grades

01

Plastic Grade Wollastonite

High aspect ratio wollastonite for reinforcement in engineering plastics.

02

Ceramic Grade Wollastonite

Wollastonite for ceramic bodies with reduced firing time and improved properties.

03

Paint Grade Wollastonite

Micronized wollastonite for paints and coatings applications.

04

Friction Grade Wollastonite

Safe asbestos replacement in brake pads and friction materials.

Solutions

Product Applications

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

Plastics
01

Plastics

Reinforcing filler in polymers.

Wollastonite
Ceramics
02

Ceramics

Body flux and modifier.

Wollastonite
Friction
03

Friction

Brake pads and clutch.

Wollastonite
Paints
04

Paints

Functional extender.

Wollastonite
Metallurgy
05

Metallurgy

Flux in steelmaking.

Wollastonite
Construction
06

Construction

Cement additive.

Wollastonite
Adhesives
07

Adhesives

Reinforcing filler.

Wollastonite
Rubber
08

Rubber

Processing aid.

Wollastonite

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Product Markets

Wollastonite Markets

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Product Support

Frequently Asked Questions

Important information about Wollastonite, grades and applications.

Wollastonite is used for reinforcement in plastics, ceramics flux, friction materials, and metallurgical flux due to its unique acicular structure.

Yes, wollastonite is an approved, safe alternative to asbestos in friction materials and reinforcement applications with no health concerns.

We offer wollastonite with aspect ratios from 3:1 to 20:1, depending on the grade and processing for different application requirements.

Wollastonite reduces firing time, minimizes shrinkage, and improves strength in ceramic bodies while providing excellent thermal shock resistance.

Product Video

See It In Action

Watch how Wollastonite supports real-world industrial applications.

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