Key Elements and Evaluation Standards for GRC Project Environmental Acceptance Indicators

As the concepts of green building and sustainable development gain increasing traction, GRC (glass fiber reinforced concrete), as a key member of new architectural decorative materials, has an environmental acceptance process that directly relates to a project's ecological value and compliance. As an industry-leading enterprise with 28 years of full-chain experience in UHPC/GRC/GRG/GRP materials, Qinglong Group—drawing on its practice of participating in the formulation of multiple national and industry standards, including the Technical Standard for Application of Glass Fiber Reinforced Cement (GRC) in Building (JGJ/T423-2018), and combining environmental acceptance experience from hundreds of large-scale projects—provides an in-depth analysis of the key elements and evaluation criteria for environmental acceptance of GRC projects, offering professional reference for designers, owners, and engineering parties.

I. Environmental Indicators in GRC Material Production: Controlling Green Genes at the Source

The core of environmental acceptance begins at the material production stage, with key evaluation elements including raw material environmental friendliness, pollution control during production, and energy consumption efficiency. Qinglong Group strictly implements "green factory" standards at its Nanning, Guangxi production base, using low-alkalinity cement and alkali-free glass fiber to ensure that heavy metal content in raw materials complies with the Limits of Radionuclides in Building Materials (GB6566-2010), with formaldehyde emissions ≤0.1mg/m³. During production, enclosed mixing systems and dust collection devices keep dust emission concentrations below 10mg/m³, while noise pollution is kept within national standards of ≤70dB during the day and ≤55dB at night. In addition, Qinglong's self-developed lightweight GRC component technology (density ≤1.8g/cm³) reduces raw material consumption by more than 30% compared to traditional concrete, and combined with solar photovoltaic power generation systems, achieves a 25% reduction in unit energy consumption during production—an indicator that has become an important reflection of a GRC manufacturer's environmental strength.

II. Environmental Impact Assessment During the Construction and Installation Phase: Ecological Protection Throughout the Process

Environmental acceptance of GRC projects focuses not only on the materials themselves but also extends to the environmental impact of the entire construction process. As an integrated service provider of "detailed design + manufacturing + construction and installation," Qinglong implements three core standards during the construction phase: first, waste management, requiring a recycling rate of ≥90% for offcuts generated from GRC cutting and installation, 100% biodegradable packaging materials, and the establishment of a Construction Waste Classification and Disposal Ledger; second, construction pollution control, using water-based eco-friendly sealants (VOCs content ≤100g/L), with on-site coating processes equipped with activated carbon adsorption devices; third, energy-saving construction techniques, using BIM technology to optimize installation processes and reduce on-site operation time by 30%, along with electric construction machinery to lower carbon emissions. Taking the Nanjing East Road Century Plaza renovation project as an example, when Qinglong used translucent GRC exterior wall panels, modular hoisting technology kept construction dust below 0.5mg/m³, earning the project the title of "Shanghai Green Construction Demonstration Project."

III. Finished Product Performance and Long-Term Environmental Performance: Dual Verification of Durability and Sustainability

The long-term environmental performance of GRC components is a key focus of acceptance, with main evaluation indicators including durability, recyclability, and health safety. Qinglong GRC products have passed 1,000 freeze-thaw cycle tests (mass loss rate ≤1%, strength loss rate ≤10%), ensuring a service life of over 50 years and reducing the frequency of material replacement throughout the building's life cycle. In terms of health and safety, Qinglong GRC products have passed Class A certification under the Classification of Burning Behavior of Building Materials and Products (GB8624-2012) and contain no asbestos, benzene-series compounds, or other harmful substances, making them suitable for hospitals, schools, and other sensitive locations. Notably, Qinglong's biodegradable GRC formula allows components to be crushed and recycled as roadbed fill material once they reach the end of their service life, achieving resource recycling. This technology has been granted multiple invention patents and stands as a model of environmental innovation in the GRC industry.

IV. Third-Party Certification and Standards for Environmental Acceptance: Compliance Assurance with Authoritative Endorsement

Professional environmental acceptance of GRC projects relies on authoritative standards and third-party testing institutions. As a member of the International Glassfibre Reinforced Concrete Association, Qinglong strictly adheres to the Glass Fiber Reinforced Cement (GRC) Decorative Products standard (JC/T940-2022), with all projects required to pass environmental performance testing by CNAS-accredited laboratories, including raw material radioactivity testing, harmful substance emission testing, and construction environmental impact assessment reports. In addition, Qinglong actively participates in the "Green Building Material Certification" system, with its GRC exterior wall panels, GRG ceilings, and other products having obtained China Green Building Material Product Certification (three-star), providing authoritative compliance assurance for project environmental acceptance. For overseas projects, Qinglong can also provide customized environmental solutions based on international green building standards such as LEED and BREEAM, meeting the stringent environmental requirements of countries such as Malaysia and Australia.

As a National High-Tech Enterprise and a Specialized, Refined, Distinctive, and Innovative enterprise, Qinglong Group has always regarded "environmental protection" as its core development philosophy, fulfilling its green commitment across the entire chain from material R&D and manufacturing to construction and maintenance. Environmental acceptance of GRC projects is not merely an assessment of individual indicators, but a test of an enterprise's overall strength and sustainable development capability. Looking ahead, Qinglong will continue to leverage the innovation advantages of its provincial-level R&D center and engineering technology center to drive technological breakthroughs in low-carbon and circular applications of GRC materials, injecting greater green momentum into its mission of "creating beautiful architecture."