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Magnesium Oxide Boards (MgO Boards)
Magnesium Oxide Boards (MgO Boards)
Rock Wool Strip
Rock Wool Strip
Extruded polystyrene foam plastic sheet
Extruded polystyrene foam plastic sheet
Termite Resistance, prevent termite damage
Termite Resistance, prevent termite damage
Rock Wool Boards, the preferred fireproof material
Rock Wool Boards, the preferred fireproof material
Fiber Cement Board with strong comprehensive strength
Fiber Cement Board with strong comprehensive strength
Magnesium oxide sanded board(MgO Sanded Board)
Magnesium oxide sanded board(MgO Sanded Board)
Decorative Magnesium Oxide Board for Interior Walls
Decorative Magnesium Oxide Board for Interior Walls
Glass Wool, a highly cost-effective thermal insulation material
Glass Wool, a highly cost-effective thermal insulation material
Reinforced Structural Insulated Panel(RSIP), combining insulation with reinforcement capabilities
Reinforced Structural Insulated Panel(RSIP), combining insulation with reinforcement capabilities
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China Suppliers Extruded Polystyrene Foam Plastic Sheet - High-Quality Insulation from Factory

Extruded polystyrene foam plastic sheets are high-performance insulation boards manufactured from polystyrene resin using advanced extrusion molding techniques. With a closed-cell structure and a closed-cell rate exceeding 90%, these sheets outperform traditional foam insulation materials significantly. They offer exceptional compressive strength, ensuring durability and resistance to deformation or collapse. Our products are ideal for various applications, including exterior wall insulation, moisture prevention in basements, waterproof layers in bathrooms, and insulation for highway sub-grades. As a leading China supplier and factory, we provide high-quality extruded polystyrene foam solutions to meet your insulation needs
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    Forest Calcium Silicate Board for wide building application (8)

    • Excellent fire resistance

      Non-combustible class A material

    • Superior water proofing ability

      Good moisture resisting ability, not easy to generate swelling or shaping.

    • High Strength

      The wall of Calcium Silicate board is very strong and durable, not easy to be damaged.

    • Wonderful sound and heat insulation performance

      Filled with mineral wool, not only heat insulation but also sound insulation

    • Stable Dimensions

      Both moisture movement and the shrinking percentage are controlled in a optimum range.

    Product Details

    Performance Testing Results
    Heat Conductivity Coefficient Compression Strength Water Absorption Dimensional Stability
    Standard Request ≤0.030 W/(m·K) ≥250 kPa ≤1.5% ≤0.3%
    Testing Result 0.024 W/(m·K) 550 kPa 0.8% 0.12%
    Determined ✔ Pass ✔ Pass ✔ Pass ✔ Pass
    Product Images
    Extruded polystyrene foam plastic sheet (2)
    Extruded polystyrene foam plastic sheet (5)
    Extruded polystyrene foam plastic sheet (6)
    Frequently Asked Questions
    • Q1 What is the heat conductivity coefficient of this extruded polystyrene foam sheet?
      The tested heat conductivity coefficient is 0.024 W/(m·K), which is well below the standard requirement of ≤0.030 W/(m·K), demonstrating excellent thermal insulation performance.
    • Q2 How does the compression strength of this XPS sheet compare to the standard requirement?
      The product achieved a compression strength of 550 kPa, significantly exceeding the minimum standard requirement of ≥250 kPa. This makes it suitable for applications that demand high load-bearing capacity.
    • Q3 Is this extruded polystyrene foam sheet resistant to water absorption?
      Yes. The water absorption rate of this XPS sheet is only 0.8%, which is far below the standard limit of ≤1.5%. This low water absorption ensures long-term performance in humid or wet environments.
    • Q4 What is the dimensional stability of this foam plastic sheet?
      The dimensional stability is 0.12%, well within the standard requirement of ≤0.3%. This ensures the sheets maintain their shape and size under varying temperature and humidity conditions.
    • Q5 Has this extruded polystyrene foam plastic sheet passed all required quality tests?
      Yes. All four key performance indicators — heat conductivity coefficient, compression strength, water absorption, and dimensional stability — have passed testing and meet or exceed the standard requirements.
    • Q6 What are the typical applications for extruded polystyrene foam plastic sheets?
      Extruded polystyrene (XPS) foam plastic sheets are widely used in building insulation, roof insulation, floor insulation, cold storage, and civil engineering projects. Their high compression strength and low water absorption make them ideal for both above-ground and below-ground applications.

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