EN
- Overview
- Product Characteristics
- Application Fields
- Production Processes
- Recommended Products
Definition:
Foamed ceramics, also known as cellular ceramics, are lightweight ceramic materials made from primary raw materials such as clay, quartz, ceramic fragments, tailings, red mud, fly ash, and aeolian sand. These materials are mixed with foaming agents and processed through high-temperature foaming and firing.
Structural Features:
They consist of a three-dimensional network skeleton enclosing gas voids, with pore sizes ranging from nanometers to micrometers and porosity between 20% and 95%.
Lightweight yet High-Strength:
With a density of 380–430 kg/m³ (only half the weight of traditional aerated bricks), they significantly reduce the load on building structures.Meanwhile, their compressive strength exceeds 5 MPa, and single-point hanging capacity reaches over 100 kg, meeting diverse application needs.
Thermal Insulation:
The high porosity results in a low thermal conductivity (≤0.15 W/m·K), effectively reducing heat transfer and building energy consumption.
Fire Resistance:
Sintered at approximately 1200°C, they are Class A non-combustible materials, providing reliable fire protection for buildings.
Waterproof and Moisture-Resistant:
The unique closed-cell structure prevents water penetration, ensuring stable performance even in humid or water-adjacent environments.
Sound Insulation:
A 10 cm-thick foamed ceramic panel achieves an air-borne sound insulation of 43 dB, making it suitable for interior partitions to block noise.
Eco-Friendly:
Produced using industrial waste and mine tailings, they promote resource recycling and align with green development. The products themselves are non-toxic and pollution-free.
Weather Resistance:
They exhibit excellent anti-aging and corrosion resistance, maintaining durability in various climates without deformation or cracking.
External Wall Insulation:
Reduces energy use for heating and cooling, lightens wall loads, and extends building lifespan, widely used in external insulation systems.
Fire Barriers:
As Class A1 fireproof materials, they are ideal for facade renovations in old neighborhoods and high-rises, combining fire protection with decorative appeal.
Interior Partitions:
Foamed ceramic partition panels, featuring tongue-and-groove joints and tile adhesive bonding, are easy to install, sturdy, and suitable for space division with sound and moisture resistance.
Decoration:
Can be processed into decorative moldings, artistic carvings, and reliefs for indoor/outdoor decoration, enhancing architectural aesthetics.
Other Uses:
Applied in roof waterproof insulation boards, subway partition waterproof panels, fish ponds, rooftop planters, and industrial fields (e.g., filters, catalyst carriers).
Foaming Method:
Ceramic powders are mixed with ceramic fibers and foaming agents; the foaming reaction forms complex-shaped products, enhancing sintering strength to prevent pulverization.
Sol-Gel Method:
Primarily produces nanoporous ceramics; modified versions create highly ordered cellular structures by stabilizing bubbles during sol-to-gel transition.
Pore-Forming Agent Method:
Pore-forming agents occupy space in the ceramic mixture and burn off during sintering, with their shape/size determining pore characteristics.
Organic Precursor Impregnation:
Organic foams are impregnated with ceramic slurries, then dried and sintered—this method yields widely used foamed ceramics across industries.
