HAINUO HN32HS Hollow Glass Bubbles are engineered microspheres specifically developed as high-performance functional fillers for architectural coating systems. Composed primarily of SiO2, Na2O, CaO, MgO, and Al2O3, these advanced hollow glass microspheres deliver exceptional thermal insulation properties that make them ideal for energy-efficient building envelope applications. With an ultra-low thermal conductivity of just 0.108 W/m·K and a true density ranging from 0.44 to 0
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