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Advanced Ceramic & Alumina Solutions

Premium ceramic foundry sand, alumina grinding media, and high-purity technical ceramics engineered for performance, durability, and efficiency in industrial applications.

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Kupper Manufacturing Facility

About Kupper Corporation

Kupper Corporation Limited is a leading manufacturer and exporter of high-performance ceramic materials based in Shandong Province, China. With years of expertise in advanced ceramics, we specialize in producing innovative solutions for foundries, coatings, grinding, and industrial processing.

Our product line includes Kupper Cerambead, Ceramsite Sand, Alumina Grinding Balls, High-Purity Alumina, Zirconia Toughened Alumina (ZTA), and custom alumina components. Engineered for reliability and efficiency, our materials are trusted by global partners in steel casting, automotive, aerospace, and chemical industries.

10+

Years of Industry Experience

50+

Global Export Markets

Our Premium Products

Engineered for performance and reliability, our ceramic and alumina products meet the highest industrial standards. From foundry sands to grinding media, we deliver consistent quality and technical excellence.

Kupper Cerambead Spherical Foundry Sand

Kupper Cerambead Spherical Foundry Sand

  • • Low density, excellent flowability
  • • High thermal conductivity
  • • Resistant to high temperatures
  • • Ideal for precision casting
20-30 Mesh Ceramic Foundry Sand

20-30 Mesh Ceramic Foundry Sand

  • • Spherical shape, high strength
  • • Resists breakage during molding
  • • Excellent refractoriness
  • • Suitable for steel and iron casting
40 Mesh Foundry Sand for Steel Casting

40 Mesh Foundry Sand for Steel Casting

  • • Contains mullite for high refractoriness
  • • Easy collapsibility after casting
  • • Reduces casting defects
  • • Low thermal expansion
200 Mesh Coatings Foundry Sand

200 Mesh Coatings Foundry Sand

  • • Ultra-fine particle size
  • • Minimal gas evolution
  • • Superior coating performance
  • • Enhances surface finish
Kupper Alumina Grinding Ball

Kupper Alumina Grinding Ball

  • • High density and mechanical strength
  • • Corrosion and wear resistant
  • • Ideal for wet and dry grinding
  • • Long service life
Kupper Alumina Microbead

Kupper Alumina Microbead

  • • Sub-millimeter spherical beads
  • • High density and strength
  • • Uniform size distribution
  • • Used in precision media milling
Zirconia Toughened Alumina (ZTA)

Zirconia Toughened Alumina (ZTA)

  • • Higher performance than pure alumina
  • • Lower cost than zirconia
  • • Exceptional fracture toughness
  • • Ideal for wear parts and liners
Alumina Lining Tile

Alumina Lining Tile

  • • High strength and wear resistance
  • • Corrosion and heat resistant
  • • Used in mills, chutes, and hoppers
  • • Extends equipment life
Resin Coated Sand

Resin Coated Sand

  • • Improves regenerative capacity
  • • Enhances mold strength
  • • Reduces sand waste
  • • Compatible with automated systems
Ceramsite for Heavy Steel Casting

Ceramsite for Heavy Steel Casting

  • • High density and thermal stability
  • • Supports large molds and cores
  • • Minimizes deformation
  • • Reusable and cost-effective

Why Choose Kupper?

High Purity

Our alumina and ceramic products are manufactured with strict quality control to ensure consistent composition and performance.

High Performance

Engineered for extreme conditions—high temperature, abrasion, and chemical exposure—our materials deliver unmatched durability.

Global Export

Trusted by industrial partners in over 50 countries, we provide reliable logistics and technical support worldwide.

Customer Focused

We offer sample testing, technical consultation, and customized solutions to meet your specific industrial needs.

1000+

Tons of Annual Production Capacity

50+

Countries Served

15+

Years of Technical Expertise

Frequently Asked Questions

What is the difference between Ceramsite Sand and traditional silica sand?

Ceramsite sand offers higher thermal stability, lower thermal expansion, and better collapsibility than silica sand. It reduces casting defects and is safer due to low free silica content.

Can I request product samples before placing an order?

Yes, we offer free samples for evaluation. Contact us with your requirements and shipping address.

What mesh sizes are available for your foundry sand?

We offer a wide range including 5-20 mesh, 20-30 mesh, 40 mesh, and 200 mesh, tailored for different casting and coating applications.

Is your alumina grinding ball suitable for wet grinding?

Yes, Kupper Alumina Grinding Balls are designed for both wet and dry grinding processes, offering excellent corrosion resistance and long service life.

Do you provide technical support for product integration?

Absolutely. Our technical team provides guidance on material selection, application methods, and process optimization.

Get in Touch

For inquiries, samples, or technical support, reach out to our team. We're ready to assist with your industrial ceramic and alumina needs.

Email: sales@aluminachina.com

Address: Shandong Province, China

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