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<p>Glass wool waste, commonly generated during ship dismantling operations, presents a significant environmental challenge due to its non-biodegradable, fibrous nature and lack of efficient recycling routes. Despite its high thermal resistance, this material is typically landfilled, contributing to industrial waste. This study addresses this issue by developing a sustainable insulation composite through the upcycling of glass wool waste. The research compares two physical configurations of glass wool sheet and ground embedded in an epoxy matrix at varying resin contents (6–15 wt%). While previous studies have explored glass wool in polymer matrices, the influence of its physical form on composite performance remains underexplored. This study shows that ground glass wool composites demonstrated superior performance, achieving higher density (1.18–1.35&#xa0;g/cm<sup>3</sup>), greater surface hardness (up to 78 Shore D), and enhanced heat transfer capabilities (0.48–0.61&#xa0;W/m K) compared to sheet-based counterparts. These improvements are attributed to improved matrix infiltration and structural homogeneity in the ground form. The study provides a viable pathway for diverting glass wool waste from landfills and creating value-added, thermally functional composites suitable for building insulation and cladding applications.</p>

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Advancing Sustainable Insulation: Upcycling Glass Wool Waste into High-Performance Composites

  • 期刊论文

  • 发表日期：

    2025年9月18日

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  • Pavitra Chouhan,
  • Abhay Sharma,
  • Asokan Pappu

摘要

Glass wool waste, commonly generated during ship dismantling operations, presents a significant environmental challenge due to its non-biodegradable, fibrous nature and lack of efficient recycling routes. Despite its high thermal resistance, this material is typically landfilled, contributing to industrial waste. This study addresses this issue by developing a sustainable insulation composite through the upcycling of glass wool waste. The research compares two physical configurations of glass wool sheet and ground embedded in an epoxy matrix at varying resin contents (6–15 wt%). While previous studies have explored glass wool in polymer matrices, the influence of its physical form on composite performance remains underexplored. This study shows that ground glass wool composites demonstrated superior performance, achieving higher density (1.18–1.35 g/cm3), greater surface hardness (up to 78 Shore D), and enhanced heat transfer capabilities (0.48–0.61 W/m K) compared to sheet-based counterparts. These improvements are attributed to improved matrix infiltration and structural homogeneity in the ground form. The study provides a viable pathway for diverting glass wool waste from landfills and creating value-added, thermally functional composites suitable for building insulation and cladding applications.