Shandong Huaci International Trade Co., Ltd. is one of the leading manufacturers and suppliers of high purity ceramic fiber module in China, featured by quality products and good service. Welcome to wholesale custom made high purity ceramic fiber module at competitive price from our factory. If you have any enquiry about quotation, please feel free to email us.
Huaci High Purity Ceramic Fiber Module | Low-Impurity Aluminosilicate Fiber Insulation for Demanding Furnace Linings
Product Overview
Huaci High Purity Ceramic Fiber Modules are factory-made lining elements built from specially selected high-purity aluminosilicate fiber with a combined Al₂O₃ + SiO₂ content of no less than 99%. The clean fiber is needle-punched into uniform blankets, then accordion-folded, pre-compressed and shaped under controlled pressure so that every block keeps a consistent density and smooth, tight faces. The result is a ready-to-install insulation block whose purer chemistry and denser micro-structure clearly set it apart from ordinary commercial-grade modules.
Because impurities such as iron oxide and alkali metals are kept to an absolute minimum, the fiber stays chemically stable at high temperature for longer: it shrinks less, sheds less fiber dust, and is far less likely to react with or contaminate sensitive furnace atmospheres. This makes the high-purity grade the preferred choice for kilns and thermal equipment where process cleanliness, predictable insulation performance and long maintenance intervals matter more than the initial purchase price.
The modules arrive pre-formed and pre-compressed, complete with matched anchoring hardware, so installation crews simply weld the fixing parts to the furnace shell and slide each block into position. All Huaci high-purity modules are asbestos-free and non-toxic, and the entire production route - from raw fiber selection to finished block - can be traced through batch records. Standard sizes are held in stock, while special dimensions, densities, cut-outs and anchor layouts are manufactured against the customer's lining drawings.
Core Performance Advantages
Clean, Stable Fiber Chemistry: the ≥99% Al₂O₃ + SiO₂ formulation keeps iron and alkaline impurities exceptionally low, protecting the fiber from premature devitrification and chemical attack in hot, aggressive process atmospheres.
Low Heat Loss and Lower Energy Bills: the uniform micro-porous structure and light weight give the module low thermal conductivity and low heat storage, so furnaces heat up faster, shells stay cooler and less fuel or electricity is consumed in every operating cycle.
Dimensional Stability under Repeated Heat: pre-compression removes internal looseness before installation; once in service the block resists shrinkage, warping and cracking through hundreds of heating and cooling cycles, keeping the joints tight year after year.
Thermal Shock and Vibration Resistance: the resilient fiber structure absorbs rapid temperature swings and mechanical vibration without spalling, which is essential for batch furnaces and equipment that start and stop frequently.
Corrosion and Flue-Gas Resistance: the clean fiber surface offers strong resistance to oxidation, sulfurous flue gas, weak acids and weak alkalis, delaying fiber embrittlement and preserving insulation performance in harsh service.
Safe, Verifiable and Customizable: the product is Class A non-combustible, asbestos-free and REACH-compliant; custom thicknesses, densities, cut-outs and anchor spacing are produced to the customer's drawings and verified before dispatch.
Technical Parameters
|
Raw Material Purity |
Al₂O₃ + SiO₂ ≥ 99% (high-purity grade) |
|
Classification Temperature |
1260°C |
|
Recommended Continuous Service Temperature |
up to 1100°C |
|
Thermal Conductivity (room temperature) |
0.035–0.045 W/(m·K) |
|
Bulk Density |
100–120 kg/m³ (denser grades available on request) |
|
Standard Block Size |
300 × 300 × 200 mm |
|
Thickness Range |
100–300 mm (custom sizes produced per drawing) |
|
Fire Performance |
Class A non-combustible; asbestos-free; REACH-compliant |
|
Construction |
pre-compressed accordion-folded fiber with integral anchor pockets |
|
Production Method |
controlled high-pressure molding and curing |
|
Surface Finish |
even, crack-free faces for tight jointing |
|
Supporting Parts |
stainless and alloy anchors with clips supplied to match the module layout |
Application Fields
High-purity modules are specified wherever a clean, stable and energy-efficient hot face is required: ceramic and sanitary-ware kilns, metallurgical and heat-treatment furnaces, chemical and petrochemical heaters, boiler combustion chambers, and high-temperature flue or duct insulation. They are also widely adopted in energy-saving retrofits, where a thin high-performance lining is fitted over existing refractory work to cut surface temperature and heat loss without major structural change.
Quality Assurance and Supply Service
Huaci operates its own fiber production and module-forming workshops, which means purity, density and dimensional accuracy are controlled at the source rather than checked only at the final gate. The guarantees below are attached to every high-purity module order.
- Batch-Level Traceability: every order is recorded from the raw-fiber certificate through forming parameters to final testing, and the complete file can be issued for project audits or customs clearance.
- In-House Testing: representative samples from each batch are checked for density, dimensions, shrinkage and thermal performance before packing, so quality stays consistent across large projects.
- Custom Fabrication: non-standard blocks, special densities, anchor slots and half-modules are produced to the customer's lining layout, reducing waste and on-site cutting work.
- Reliable Lead Times: mainstream sizes are made in dedicated production campaigns with steady output, allowing both urgent small orders and multi-container projects to be scheduled predictably.
- Export-Grade Packing: modules are wrapped with a waterproof inner bag, packed in five-layer moisture-proof cartons and secured on pallets with machine-tightened film and a waterproof top sheet for long sea or land transport.
- OEM and Private Label: customized printing, exclusive packaging and documentation are available for distributors and brands that resell under their own names.
- Engineering Support: our lining engineers review the furnace temperature profile and shell structure, then recommend module grade, thickness and anchor pattern before production starts.
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