Fire-proof Board
Sound Resistance
Termite Resistance
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Reinforced Structural Insulated Panel (RSIP) - High-Quality China Suppliers & Factory for Rapid Construction Solutions
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Excellent fire resistance
Non-combustible class A material
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Superior water proofing ability
Good moisture resisting ability, not easy to generate swelling or shaping.
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High Strength
The wall of Calcium Silicate board is very strong and durable, not easy to be damaged.
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Wonderful sound and heat insulation performance
Filled with mineral wool, not only heat insulation but also sound insulation
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Stable Dimensions
Both moisture movement and the shrinking percentage are controlled in a optimum range.
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Performance Test Results
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Non-Inflammability: A1 Grade
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Thermal Conductivity: ≤ 0.029 W/(m·K)
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Tensile Strength: ≥ 9.0 MPa
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All Criteria: Pass
| Non Inflammability | Numerical Criterion | Tensile Strength | Water Absorption | |
| Standard Request | A1 | ≤ 0.035 W/(m·K) | ≥ 5.0 MPa | ≤ 1.5% |
| Testing Result | A1 | ≤ 0.029 W/(m·K) | ≥ 9.0 MPa | ≤ 3.2% |
| Determined | Pass | Pass | Pass | Pass |
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Panel Specifications
| Thickness (mm) | Density | L × W (mm) |
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Core: 50–200 mm Overall: 70–220 mm |
PUF: 35–50 kg/m³ (light, good insulation). XPS: 40–60 kg/m³ (higher density, better compression). With steel studs: +10–20 kg/m³ (depends on stud material/spacing). |
Length: 2440, 3050, 4880, 6100 mm Width: 1220, 1250 mm |
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Product Gallery
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Frequently Asked Questions
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What fire rating does the Reinforced Structural Insulated Panel (RSIP) achieve?
The RSIP achieves an A1 non-inflammability rating — the highest fire resistance classification — meeting and exceeding standard requirements for both the standard request and the actual testing result.
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What is the thermal conductivity performance of the RSIP panel?
The panel achieves a thermal conductivity of ≤ 0.029 W/(m·K), which is significantly better than the standard requirement of ≤ 0.035 W/(m·K), ensuring excellent insulation efficiency for walls, roofs, and floors.
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What core materials are available, and how do they differ in density?
Two core options are available: PUF (Polyurethane Foam) at 35–50 kg/m³, offering lightweight construction with superior insulation; and XPS (Extruded Polystyrene) at 40–60 kg/m³, providing higher density and better compression resistance. Panels with steel studs add an additional 10–20 kg/m³ depending on stud material and spacing.
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What standard panel sizes are available for the RSIP?
The panels are available in lengths of 2440 mm, 3050 mm, 4880 mm, and 6100 mm, with widths of 1220 mm or 1250 mm. Core thickness ranges from 50 to 200 mm, with an overall panel thickness of 70 to 220 mm.
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How does the tensile strength of the RSIP compare to the standard requirement?
The RSIP panel delivers a tensile strength of ≥ 9.0 MPa, which is nearly double the minimum standard requirement of ≥ 5.0 MPa. This reinforced structural performance makes it suitable for demanding load-bearing applications.
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Is the RSIP suitable for both residential and commercial construction projects?
Yes. The RSIP's combination of A1 fire resistance, high tensile strength, excellent thermal insulation, and flexible sizing options makes it suitable for a wide range of applications including residential buildings, commercial facilities, cold storage, modular construction, and industrial structures.