Zirconium Ceramic Fiber Module

Shandong Huaci International Trade Co., Ltd. is one of the leading manufacturers and suppliers of zirconium ceramic fiber module in China, featured by quality products and good service. Welcome to wholesale custom made zirconium ceramic fiber module at competitive price from our factory. If you have any enquiry about quotation, please feel free to email us.

Huaci Zirconium Ceramic Fiber Module | ZrO2-Stabilized 1430 deg C Insulation Module, Prefabricated Furnace Lining

Huaci Zirconium Ceramic Fiber Module is a premium prefabricated insulation element built for industrial furnaces whose internal temperatures climb above the working envelope of ordinary alumino-silicate fiber. The fiber blend carries a controlled addition of high-purity zirconia (ZrO2), which suppresses the crystal growth and phase segregation that would otherwise weaken the material after long exposure to 1300 deg C and beyond. Classification temperature is 1430 deg C and stable continuous duty is rated at 1350 deg C - the band where petrochemical process heaters, advanced ceramic kilns and waste-to-energy combustion chambers routinely operate.

Modules are produced from needle-punched blankets that are folded to size, edge-compressed and pre-shaped under calibrated pressure to lock in the fiber geometry. The finished block arrives at site with a uniform density profile, predictable recovery under compression and a clean white appearance that is easy to inspect after installation.

As a combined manufacturer and exporter, Huaci ships every order with batch chemistry, shrinkage and conductivity test reports, and supports everything from standard sizes to fully custom dimensions engineered to the customer's furnace drawing.

Pure alumino-silicate fibers begin to crystallize above about 1100 deg C, releasing silica-rich dust and gradually turning brittle as mullite and cristobalite phases dominate. Adding zirconia breaks that crystallization pathway. ZrO2 particles pin the glassy phase and act as nucleation sites that slow grain growth, so the fiber retains its flexible, low-conducting character up to 1430 deg C classification. The practical outcome is dramatically longer lining life and predictable thermal performance in ultra-high-temperature service.

- Standard Block Sizes: 300 x 300 x 200 mm, 300 x 300 x 250 mm, 600 x 300 x 300 mm (additional sizes by request).
- Edge Compression: modules leave the line at a calibrated density that holds the pre-installed compression during transport and storage.
- Anchor Interface: machined compressible face mates with standard Y-type, V-type or L-type anchor studs; special interfaces are tooled on request.
- Site Installation: modules are pressed onto weld-fixed anchors, the pre-compression released, and the lining immediately ready for furnace heat-up.
- Joint Pattern: staggered layout between courses eliminates continuous joints and supports predictable thermal expansion behavior.

- Fiber Spinning Line: in-house spinning and needling keeps shot content and tensile strength of the blanket under direct control.
- Zirconia Dosing: each batch is weighed, blended and recorded with full traceability of the ZrO2 feedstock lot.
- Pre-Compression Molding: calibrated presses shape modules to the specified density, with recovery tested on every shift.
- Batch Testing: shrinkage, conductivity, density and shot content are checked against the specifications; non-conforming batches are isolated before they reach the warehouse.
- Dust-Controlled Packaging: modules are sealed in heavy-gauge poly sleeves and stacked on export pallets, then shipped in container-grade cardboard with moisture barriers.

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