Inorganic Soluble Fiber Shaped Products

Product Overview

Inorganic Soluble Fiber Shaped Products are high-performance thermal insulation components made from bio-soluble fibers that are environmentally friendly and safe for human health. These fibers are manufactured using advanced vacuum forming technology, allowing precise control of shape, density, and strength to meet various high-temperature application requirements.

Inorganic Soluble Fiber Shaped Product is custom-formed to match the user's design, making it ideal for complex furnace linings, burner blocks, heat shields, expansion joints, and insulation components. In addition to excellent insulation performance, they also feature lightweight structure, easy installation, and long service life. Since the fiber material is bio-soluble and free of asbestos, it dissolves naturally in the human body, providing a safer and more sustainable alternative to traditional refractory fibers.

Manufacturing Process

The production of inorganic ceramic fiber special-shaped parts typically involves three key steps:

Pulping and Mixing: High-purity ceramic fiber cotton is mixed with water and inorganic binders such as silicates, aluminates, or alumina gels to form a homogeneous slurry.

Molding and Vacuum Filtration: The slurry is poured into specially designed molds and vacuum-filtered to achieve precise shapes and uniform density.

Drying, Curing, and Finishing: After demolding, parts undergo low-temperature drying, trimming, and sanding to achieve stable strength and accurate dimensions.

Key Features

Exceptional High-Temperature Stability: Suitable for continuous use up to 1350°C with excellent thermal shock resistance.

Precision and Customizability: Manufactured to detailed drawings with tolerances ≤ ±1 mm, accommodating complex geometries.

Low Dust and No Debris: Densely cured, non-friable, and ideal for clean environments.

Lightweight Yet Strong: Low bulk density (typically 250–600 kg/m³) with high structural integrity for rigid support applications.

Outstanding Thermal Insulation: Low thermal conductivity (≤0.18 W/m·K at 1000°C) minimizes heat loss.

Safe and Eco-Friendly: Inorganic composition, free from organic additives, smoke-free, odorless, and compliant with RoHS and REACH standards.

Erosion and Corrosion Resistance: Engineered to withstand high-velocity gas streams and molten metal splashes.

Technical Parameters

ITEM	STD	HP	HA	HTZ
Classification Temperature(C°)	1260	1260	1360	1430
Working Temperature(C°)	≤1000	≤1100	≤1200	≤1300
Density(KG/m³)	320-500
Organic Content%	≤1.5
Heating Shrinkage(%)	1000℃×24h≤ -2	1100℃×24h≤ -2	1200℃×24h≤ -2	1350℃×24h≤ -2
Thermal Conductivity(500℃)	≤0.05
Al₂O₃	36-38	39-42	45-47	-
Al₂O₃+SiO₂	≥96	≥98	≥99	-
Al₂O3+SiO₂+ZrO₂	-		-	≥99
ZrO₂	-		-	≥15
Fe₂O₃	<0.5	<0.5	<0.5	<0.5
Na₂O+K2O+Fe2O₃	<0.9	<0.9	<0.9	<0.9

 

 

Typical Applications

Metallurgy & Foundry: Ladle covers, aluminum covers, flow channels, aluminum insulation sleeves, insulated crucibles, preheating hoods

Industrial Heat Treatment Equipment: Roller kiln doors, electric furnace covers, heater insulation casings, radiation plates, furnace pipe sleeves

Petrochemical Equipment: Reactor shell insulation, pipe elbow liners, flue gas expansion joint liners

Glass & Ceramics: Glass tank covers, insulation rings, flow channel insulation parts, kiln door linings

Power & New Energy: High-temperature coverings for battery production, heater box linings, plasma equipment protective components

Aerospace & Defense: Missile launch platform insulation, engine thermal protection casings, cabin insulation modules

Packaging & Transportation

Packaging: Cartons, wooden boxes, or palletized loading according to part shape

Shock Protection: Key areas reinforced with padding to prevent damage during transport

Labeling: Each piece marked with model, drawing number, material type, and serial number

Storage: Keep in a dry, ventilated environment to avoid moisture or deformation

SUNTHERM Advantages

✅ Complete in-house ceramic fiber production capability (fiber → board → shaped parts → composites)

✅ Multiple vacuum forming lines, producing oversized shaped parts

✅ Extensive industry experience with export and project-standard customization

✅ Fast sample turnaround (3–5 days) with reliable delivery schedules

✅ Comprehensive quality control system; material certifications and inspection reports available

FAQ

Q1: Can these parts be used in high-temperature liquid environments? Are they resistant to molten aluminum or steel?

A1: Yes. We can enhance erosion resistance with special formulations (high-zirconia, high-alumina) for applications like aluminum ladles, channels, and molten aluminum conduits. Surface hardening or anti-permeation coatings are recommended for extended lifespan.

Q2: What is the minimum order quantity? Can I produce just a few samples?

A2: Small batch customization is supported. A single mold can produce a few pieces or even a single prototype. Specific arrangements can be discussed with our sales engineers.

Q3: Will these parts shed fibers like ordinary ceramic fiber boards?

A3: No. The finished parts are dense and edges are secure, with minimal fiber dust, making them suitable for high-cleanliness environments such as battery and semiconductor production.

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