FAQ
Cement fiber board and calcium silicate board are both widely used in construction, especially for interior and exterior wall applications. While they share some similarities, they also have distinct differences based on their composition, properties, and applications. Here's a detailed comparison:
Similarities
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Composition:
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- Both are made from inorganic materials, making them durable and fire-resistant.
- They contain fibers (often cellulose or synthetic) to enhance strength and flexibility.
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Properties:
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- Fire Resistance: Both boards are non-combustible and offer excellent fire resistance.
- Water Resistance: Both are resistant to moisture, although their performance may vary under prolonged exposure.
- Durability: Both are sturdy and designed for long-term use, resisting warping, cracking, and impact.
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Applications:
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- Suitable for cladding, partitions, ceilings, flooring, and external wall panels.
- Often used in environments requiring fire safety and moisture resistance, such as bathrooms, kitchens, and industrial settings.
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Workability:
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- Both boards can be cut, drilled, and installed using similar tools and techniques.
- They support various surface finishes, including paint, wallpaper, or tiles.
Differences
Feature |
Cement Fiber Board |
Calcium Silicate Board |
Main Composition |
Cement, cellulose fibers, and sometimes sand. |
Calcium silicate, cellulose fibers, and mineral fillers. |
Weight |
Heavier due to higher cement content. |
Lighter because of less cement and different fillers. |
Moisture Resistance |
Performs well in wet environments but absorbs more water. |
Superior moisture resistance with lower water absorption. |
Thermal Insulation |
Moderate thermal insulation properties. |
Better thermal insulation than cement fiber boards. |
Flexibility |
Less flexible and more prone to cracking under bending. |
More flexible and less likely to crack. |
Density |
Higher density (around 1,200-1,500 kg/m³). |
Lower density (around 800-1,200 kg/m³). |
Installation |
Requires stronger structures due to weight. |
Easier installation due to lighter weight. |
Cost |
Generally cheaper than calcium silicate boards. |
Typically more expensive due to enhanced properties. |
Choosing Between Them
- Cement Fiber Board: Ideal for applications requiring high strength and durability, such as external walls, flooring, or areas exposed to harsh conditions.
- Calcium Silicate Board: Better for applications where weight, superior moisture resistance, or thermal insulation are critical, such as ceilings or partitions in high-humidity areas.
Comparison of Production Procedures
Aspect |
Cement Fiber Board (Curing) |
Calcium Silicate Board (Autoclaving) |
Primary Process |
Air or steam curing. |
High-pressure steam autoclaving. |
Time Required |
Longer curing time (days to weeks). |
Faster autoclaving process (hours). |
Temperature Range |
Lower temperatures (~50-70°C). |
Higher temperatures (~170-200°C). |
Energy Efficiency |
More energy-efficient and simpler. |
Energy-intensive but precise. |
Material Strength |
Denser but prone to shrinkage/cracks. |
Lighter and dimensionally stable. |
Equipment Needed |
Minimal (curing chambers). |
Complex (autoclave system). |
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About Inorganic fiber cement board :
Inorganic fiber cement boards are revolutionizing the landscape of construction, with a broad spectrum of applications both now and in the horizon. Their standout features make them indispensable in modern building projects:
Exterior Cladding: Widely utilized as exterior cladding materials, fiber cement boards deliver unmatched durability and weather resistance, coupled with an alluring aesthetic charm. Thanks to advances in production technology, these boards are now available in an array of textures and colors, significantly enhancing their architectural versatility and appeal.
Interior Wall Partitioning: Perfect for interior wall partitioning in residential and commercial spaces, fiber cement boards promise superior sound insulation, fire resistance, and immunity to moisture and mold. These attributes make them especially suitable for areas like bathrooms, kitchens, and basements, where durability and safety are paramount.
Soffits and Fascia: Fiber cement boards are ideal for soffits and fascia in roofing, providing exceptional durability and moisture resistance to protect roof edges while offering a polished, finished look to the roofline.
Floor Underlayment: As an underlayment for flooring materials like tiles, hardwood, and laminate, inorganic fiber cement boards provide a stable and moisture-resistant base, ensuring the longevity and stability of flooring installations.
Exterior Trim and Molding: Renowned for their ability to mimic wood, fiber cement boards are extensively used for exterior trim and molding. They deliver the elegance of wood without the risk of rot, decay, or insect damage, making them a favored choice for builders seeking both beauty and resilience.
Future Applications: As the demand for sustainable and eco-friendly building materials surges, inorganic fiber cement boards are perfectly poised to meet these needs. Their composition includes cement, cellulose fibers, sand, and water, making them non-toxic, recyclable, and energy-efficient compared to traditional materials like wood or aluminum. This aligns them with green building initiatives, paving the way for broader adoption in environmentally-conscious projects. Furthermore, ongoing R&D efforts may unlock new enhancements, further diversifying their use in various construction sectors.
Production line general info:
Annual production capacity: |
5 million square meters (6mm) |
Output Panel Density |
0.85g/cm³ - 1.2g/cm³ |
Output Panel Size |
1220mm * 2440mm, 1220mm * 2750mm, 1220mm * 3050mm |
Output Panel Thickness |
6-20mm |
Panel characteristics |
heat resistance, frost resistance, non flamma- bility, and resistance to termite harm |
Panel Application |
exterior walls, roofs, and interior walls |
Panel type |
Inorganic fiber cement board / Calcium silicate Panels |
Production Flow Chart:
Raw material preparation (pulp, cement, and additives) → automatic dosing and mixing → sheet forming → high-pressure water cutting and pressurization → autoclaved curing → drying → sanding → post-processing
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