Optimizing Melting Behavior, Durability & Cost-Efficiency in Glass & Ceramic Production

Ground Calcium Carbonate (GCC) in Glass & Ceramics: Flux Agent, Structural Enhancer & Process Optimizer
Ground Calcium Carbonate (GCC) is a key functional mineral in glass and ceramic manufacturing, used as a fluxing agent, structural modifier, and processing aid. Its role in controlling viscosity, optimizing thermal expansion, and enhancing mechanical properties makes it essential in flat glass, container glass, specialty ceramics, tiles, and sanitaryware.
Key Benefits of GCC in Glass & Ceramics
1. Fluxing agent in glass melting
  • Lowers melting temperature: Reduces the energy required for glass fusion by acting as a flux.

  • Improves homogeneity: Enhances the interaction of silica and other oxides in glass formation.

2. Structural Enhancement & Mechanical Strength

 

  • Increases durability & chemical resistance: Enhances impact strength and weather resistance in glass and ceramics.

  • Controls thermal expansion: Prevents excessive shrinkage and cracking during firing.

  • 3 μm, 5 μm and 10 μm GCC grades proved optimal reinforcement in ceramic bodies and glass composites.

3. Viscosity Control & Processing Efficiency
  • Optimizes melt viscosity: Ensures controlled flow behavior during glass shaping and casting.

  • Enhances workability in ceramics: Improves extrusion and pressing behavior in tiles and sanitaryware.

  • 2 μm, 3 μm and 5 μm allow smooth, defect-free ceramic processing.

4. Surface quality & transparency in glass
  • Reduces bubble formation: Improves glass clarity by acting as a refining aid.

  • Enhances gloss & smoothness in ceramics: Provides a dense, non-porous finish.

  • 1 μm and 2 μm coated GCC for superior dispersion in coatings and glazes.

5. Cost efficiency & sustainability
  • Reduces energy consumption: Lower firing temperatures lead to cost savings and lower CO₂ emissions.

  • Supports recyclability in glass: Facilitates remelting of post-consumer glass with optimized chemistry.

  • All Grades, depending on specific energy and process targets.

Applications of GCC in Glass & Ceramics

Flat glass & architectural glass
  • Enhances melt homogeneity for high-quality transparent and tinted glass.

  • Optimizes viscosity for precision forming in float glass production.

  • 5 μm and 10 μm ensure efficient fluxing and improved batch melting behavior.

Container glass & specialty glass
  • Improves impact resistance and reduces fragility in glass bottles and jars.

  • Enhances chemical durability, reducing leaching in food and beverage packaging.

  • 3 μm and 5 μm contribute to better mechanical properties and chemical stability.

Ceramic tiles & sanitaryware
  • Reduces shrinkage and cracking during drying and firing cycles.

  • Improves workability and extrusion properties for uniform shaping.

  • 2 μm, 3 μm and 5 μm help maintain structural integrity and surface smoothness.

Tableware & high-performance ceramics
  • Enhances whiteness and glaze adhesion for fine ceramic products.

  • Controls thermal expansion, preventing defects in high-end ceramics.

  • 1 μm and 2 μm coated ensure ultra-fine surface finish and stable sintering behavior.

Glass Recycling & Sustainable Glass Formulations
  • Improves melt efficiency in recycled glass applications.

  • Reduces CO₂ emissions by lowering melting temperatures.

Cemix's High-Quality GCC for Glass & Ceramics

Cemix supplies high-purity GCC grades tailored for glass manufacturing, ceramics, and specialty applications, ensuring process efficiency, structural reinforcement, and energy savings

Contact us today for expert consultation and customized GCC solutions for your glass & ceramics applications.

 

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