Foundry

Mullite

Mullite is an artificially produced aluminosilicate refractory mineral with excellent thermo-mechanical stability. Its high melting point, creep resistance, low porosity, low thermal expansion and chemical stability make it suitable for foundry coatings, in...

Request a Quote Explore Grades
Mullite
FoundryMullite
Scroll to Explore
Advantages

Key Benefits

Why Mullite is the preferred choice for foundry formulations

01

Very high melting point for severe thermal service

02

Excellent high-temperature creep resistance

03

Low porosity and controlled thermal conductivity

Mullite benefits Performance engineered for Foundry
04

Low thermal expansion and strong thermal-shock resistance

05

Stable in harsh chemical environments

06

Available in controlled powder and granule sizes

Quality AssuredISO Certified
Lab TestedEvery Batch
Eco FriendlySustainable
Global DeliveryWorldwide
Product Grades

Product Grades

Comprehensive range of Mullite grades for diverse industrial applications

Hyper Grain IR Powder
01

Hyper Grain IR Powder

Fine synthetic mullite powder for foundry coating, investment-casting slurry and refractory formulations requiring consistent suspension and thermal stability.

Request Sample
Hyper Grain IR Granules
02

Hyper Grain IR Granules

Controlled mullite grains for refractory bodies, shell systems and high-temperature foundry applications requiring packing stability and creep resistance.

Request Sample
All Industrial Grade Quality Tested

Product Segments

Product segments served by Mullite in Foundry

Application intelligence Workbook-verified product and application mapping

Foundry Coating Systems

Role / FunctionRefractory Filler

Key GradeHyper Grain IR Powder

Investment Casting

Role / FunctionThermally Stable Shell Mineral

Particle FormPowder & Controlled Grains

Refractory Linings

Role / FunctionHigh-Temperature Aluminosilicate

Key GradeHyper Grain IR Granules

Mould & Core Systems

Role / FunctionThermal Stability & Dimensional Control

Particle FormControlled Particle Sizes

Solutions

Product Applications

Applications listed for Mullite in the Foundry product sheet

Foundry Coating Systems
01

Foundry Coating Systems

Mullite
Investment Casting
02

Investment Casting

Mullite
Refractory Linings
03

Refractory Linings

Mullite
Mould and Core Systems
04

Mould and Core Systems

Mullite

Need a Specific Grade for Your Application?

Our experts will guide you to the perfect mullite solution

Request Expert Consultation
Related Product Markets

Mullite Markets

Other website markets with a verified Mullite product-family listing

Product Support

Frequently Asked Questions

Common questions about Mullite in foundry applications

Mullite is a stable aluminosilicate refractory phase produced by firing or melting selected aluminosilicate raw materials.

Its high melting point, low thermal expansion, creep resistance and chemical stability help it retain strength and dimensions under casting conditions.

Yes. 20 Microns supplies controlled particle-size options for foundry coatings, investment casting and refractory applications.

Hyper Grain IR is offered in particle-size forms selected to meet the target foundry or refractory process.

Product Video

See It In Action

Watch how 20 Microns' Mullite supports real-world industrial applications.

Mullite - Product & Application Film
YouTube Official Product Film
Mullite - Product & Application Film20 Microns Limited · Official Channel
All Foundry Products
Partner With Us

Let's Get in Touch & Explore Business Opportunities

Partner with India's leading producer of industrial minerals for superior mullite solutions

Connect With Us Email Us