*Glass Wool Products for Building Thermal Insulation* (GB/T 17795-2019) applies to glass wool products used for the thermal insulation of building envelopes and ventilation ducts; it stipulates requirements such as a nominal density of no less than 24 kg/m³ for glass wool boards used in internal insulation systems, and no less than 32 kg/m³ for those used in curtain wall systems. *Glass Wool and Its Products for Thermal Insulation* (GB/T 13350-2017) applies to loose glass wool, glass wool boards, glass wool felts, glass wool blankets, glass wool strips, and glass wool pipe shells intended for thermal insulation purposes.
Standards regarding testing and test methods include *Determination of Formaldehyde Emission from Mineral Wool and Its Products* (GB/T 32379-2015), *Test Method for Density Uniformity of Mineral Wool Thermal Insulation Materials* (GB/T 32991-2016), and *Sprayed Mineral Wool Thermal Insulation Layers* (GB/T 26746-2011), among others.
Industry and local standards include *Micro-fiber Glass Wool* (JC/T 978-2012) and *Technical Specification for Construction of External Thermal Insulation Systems for Exterior Walls Using Glass Wool Boards* (DB11/T 1117-2014), among others.
Products must comply with the aforementioned national standards; the entry of non-compliant products into construction sites is strictly prohibited to ensure the energy-saving performance of building insulation systems, as well as the quality and safety of the construction project.