Premium Refractory Material

Ramming Mass

SiO2 (96%+)

The essential refractory lining material — superior thermal stability and chemical resistance for induction furnace linings in steel and foundry industries.

96%+ SiO2
1700°C+
Slag Resistant
ISO Certified
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8+Grades
4+Industries
25+Countries
25+Years
Ramming Mass - 20 Microns
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Product Overview

About Ramming Mass

Understanding the fundamentals of ramming mass

Product Overview

The Essential Furnace Lining

Ramming Mass is a silica-based refractory material specifically designed for lining coreless induction furnaces in steel foundries and metal casting operations.

Its high silica content (96%+), carefully graded particle distribution, and sintering aids provide excellent thermal stability, chemical resistance, and long lining life.

High Silica Sintered Graded
SiO2 (96%+)

Chemical Formula

Ramming Mass

Chemical Properties
  • SiO2 Content96-98%
  • Al2O3 Content<1%
  • Fe2O3<0.5%
  • B2O3 (Binder)1-3%
Physical Properties
  • Refractoriness1700°C+
  • Bulk Density1.8-2.0 g/cc
  • Particle SizeGraded 0-6mm
  • TypeAcidic
96%+
SiO2
1700°C+
Refractoriness
Long
Lining Life
ISO
Certified

Industrial Essential

Critical material for steel production.

EssentialIndustrialReliable
Ramming mass and furnace lining
Foundry Essential

From Raw Silica
to Furnace Protection

Precisely formulated with optimal particle grading and sintering aids for maximum furnace lining performance.

200+Heats Per Lining
25+Years Experience
3+Production Sites
High purity silica
Optimal grading
Excellent sintering
Long lining life
Slag resistant
Advantages

Key Benefits

Why ramming mass is the preferred choice for industry leaders worldwide

01

High Refractoriness

Service temperature above 1700°C suitable for steel and iron melting.

02

Long Lining Life

Extended furnace campaign life reducing refractory costs and downtime.

03

Slag Resistance

Excellent resistance to basic and acidic slags in metal melting.

SiO₂
96%+SiO2
6Key Benefits
4+Industries
04

Optimal Grading

Carefully graded particle distribution for dense, strong linings.

05

Good Sintering

Forms strong sintered layer with good hot strength and stability.

06

Easy Installation

Good flowability and ramming properties for efficient lining installation.

Industrial manufacturing excellence
World Class Quality

Industry-Leading Performance
at Every Scale

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

ISO 9001 EcoVadis Gold REACH Compliant Lab Certified
ISO Certified
Global Supply
Lab Tested
High Temp
Product Range

Available Grades

Comprehensive range of ramming mass grades for diverse industrial applications

Precision quality testing of ramming mass grades

Precision Engineered Grades

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

SiO296%+
Refractoriness1700°C+
Lining LifeLong
CertifiedISO
Most Popular
Steel

Steel Grade Ramming Mass

High Purity

Ultra-high purity ramming mass for steel melting in induction furnaces.

  • 97%+ SiO2
  • Long life
  • Premium
Learn More
Iron

Iron Grade Ramming Mass

General Purpose

Ramming mass for iron foundries and general non-ferrous melting.

  • 96%+ SiO2
  • Versatile
  • Economic
Learn More
Non-Ferrous

Non-Ferrous Grade

Copper/Brass

Specialized ramming mass for copper, brass, and non-ferrous melting.

  • Optimized
  • Non-ferrous safe
  • Reliable
Learn More
Special

Special Grade

Custom Formulation

Custom formulated ramming mass for specific furnace and alloy requirements.

  • Custom
  • Engineered
  • Application specific
Learn More
Product Statistics
4Grade Categories
8+Product Variants
96-98%SiO2 Range
Request Custom Grade
ISO 9001 Certified Global Delivery Technical Support Custom Formulation
Applications

Industries & Applications

Versatile applications across diverse industry verticals worldwide

Steel Foundries

Steel Foundries

Induction furnace linings for steel melting and casting operations.

InductionMeltingSteel
1650°COperating
Iron Foundries

Iron Foundries

Furnace linings for gray iron, ductile iron, and iron casting.

Gray IronDuctileCasting
1500°COperating
Non-Ferrous

Non-Ferrous

Linings for copper, brass, bronze, and aluminum melting.

CopperBrassBronze
VarietyMetals
Automotive

Automotive

Foundries producing automotive castings and components.

AutomotiveCastingsOEM
QualityCritical
Heavy Engineering

Heavy Engineering

Large foundries for heavy machinery and equipment castings.

HeavyMachineryLarge
LargeFurnaces
Recycling

Recycling

Metal recycling operations using induction melting.

RecyclingScrapSecondary
EfficientProcessing
4+Industries
8+Applications
25+Countries
150+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
High Temp
Premium
Reliable

Our ramming mass is formulated with premium high-purity silica and carefully selected sintering aids to deliver maximum lining life and furnace performance.

High Purity

Premium silica sources

Optimal Grading

Engineered particle distribution

Consistent Quality

Batch-to-batch reliability

Technical Support

Expert lining guidance

Start Your Journey With Us
Key Metrics
3+Production Sites
25+Countries Served
150+Happy Customers
25+Years Experience
EcoVadis Gold Sustainability Rating
1700°C+Refractoriness
R&DInnovation
24/7Logistics
ExpertSupport
Knowledge Base

Frequently Asked Questions

Get answers to common questions about Ramming Mass

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 ramming mass used for?

Ramming mass is used for lining coreless induction furnaces in steel foundries, iron foundries, and non-ferrous melting operations.

Induction Furnace Lining Melting
02

How long does a lining last?

A properly installed ramming mass lining can last 150-300+ heats depending on operating conditions, metal type, and furnace practice.

150+ 300+ Variable
03

What is the sintering process?

During initial heat-up, the binder system creates a strong sintered layer that provides the working face of the lining with good hot strength.

Sintered Strong Hot Strength
04

Why is particle grading important?

Proper particle grading ensures maximum packing density, minimum porosity, and optimal ramming properties for a strong, dense lining.

Dense Strong Optimal

Still have questions?

Our technical experts are available to provide detailed answers

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Industry Applications

Product Applications

Ramming Mass serves as a critical input across diverse industrial sectors worldwide

01

Steel Foundries

Induction furnace linings.

02

Iron Foundries

Gray and ductile iron.

03

Non-Ferrous

Copper and brass melting.

04

Automotive

Automotive castings.

05

Heavy Engineering

Large foundry operations.

06

Recycling

Metal recycling furnaces.

6+Application Sectors
8+Product Grades
25+Countries Served
150+Industry Clients
Ramming Mass industrial applications worldwide
Global Industrial Reach

Powering Industries Across
50+ Countries

From cosmetics to oil & gas — ramming mass 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 ramming mass solution

Request Expert Consultation
Product Video

See It In Action

Watch how 20 Microns' Ramming Mass powers real-world industrial applications

Ramming Mass in Action – 20 Microns
YouTube
Official Product Film

Ramming Mass - Furnace Lining Solution

20 Microns Limited · Official Channel

About This Video

Discover how 20 Microns' Ramming Mass 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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Ramming Mass

Premium Refractory Material

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