[China Aluminum Industry Network] A new type of insulation material based on silicon aluminum has emerged as a revolutionary solution in the field of thermal insulation. This advanced material is a micro-closed pore network structure created from specialized silica-alumina gelling materials, reinforcing fibers, recycled polyphenylene particles, and various additives. It effectively addresses the long-standing challenge between bulk density and strength in insulating materials, offering an ideal balance of low weight, excellent thermal conductivity, high compressive strength, strong adhesion, and ease of installation.
This innovative aluminum-silicon insulation material brings several unique benefits to the construction industry.
First, it utilizes renewable resources, making it an eco-friendly choice that supports energy conservation and environmental protection.
Second, the product incorporates near-nano-scale fibers imported from abroad. These fibers, numbering hundreds of millions per cubic meter, significantly enhance the material’s thermal insulation properties, crack resistance, compressive strength, adaptability, fatigue resistance, shock absorption, and durability. It also helps prevent cold and hot bridges, ensuring long-term performance.
Third, the material is non-combustible, seamless, and can be directly bonded to the base surface without gaps or joints. This creates a fully integrated insulation system with a solid structure, greatly improving overall insulation efficiency.
Fourth, it exhibits exceptional thermal insulation performance, with a thermal conductivity of 0.046–0.048 W/(m·K). This new aluminum insulation material is developed and produced under China's building energy efficiency standards, which continue to rise (overall energy saving of 65%). In most regions of China, an insulation layer thickness of 30–100 mm is sufficient to meet wall insulation requirements.
Fifth, the material offers strong adhesion and minimal thermal expansion and contraction coefficients. This means that no interface agent or glass fiber mesh is needed when applying the insulation system. The insulation layer can be continuously applied in one day if its thickness is within 120 mm, reducing construction steps, accelerating the process, and saving labor and time. As a result, it delivers significant economic benefits.
Lastly, the product features an accurate mixing ratio. The silica-alumina gel and polyphenylene granules are packaged separately in a 1:1 ratio, ensuring precise mixing. Additionally, the polyphenylene granules are specially treated to eliminate issues like dust during the mixing process.
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