What Are the Production Processes of GRC Manufacturers? A Complete Guide to GRC Component Fabrication and Key Technical Points

In the field of architectural decoration, GRC (Glass Fiber Reinforced Concrete) has become the ideal choice for modern building skins and artistic components thanks to its unique advantages of light weight, high strength, and flexible shaping. As an industry leader with 28 years of deep expertise in UHPC/GRC/GRG/GRP materials, Qinglong Group leverages its full-chain service capabilities to transform material properties into the limitless possibilities of architectural aesthetics. This article systematically analyzes the core production processes of GRC manufacturers, unlocking the technical code behind this new building material from design to forming.

The Basic Logic of GRC Component Production: The Fusion of Materials Science and Engineering Technology

The core of GRC production technology lies in the synergistic reinforcement between glass fibers and cement-based materials. Qinglong's GRC plant combines high-purity alkali-resistant glass fibers (content ≥5%) with specialty cement and quartz sand, achieving performance indicators of flexural strength ≥20MPa and density ≤1800kg/m³ through precise proportioning. Compared with traditional concrete, GRC material weighs only 1/4 of natural stone, yet it can withstand extreme climates from -40°C to 70°C, laying a technical foundation for its application in large-scale public building facades and irregular decorative components.

Standardized Production Process: Precision Control from Drawings to Finished Products

A mature GRC manufacturer must establish a full-process quality control system. Qinglong adopts a seven-step standard process of "design deepening → mold making → material preparation → spray-up/premix forming → curing and hardening → surface treatment → installation testing": in the design stage, BIM technology and parametric design (Rhino+Grasshopper) are used to digitally break down complex shapes; molds are made of high-precision GRP or aluminum alloy to ensure component dimensional error ≤2mm; in the forming stage, the spray-up method (suitable for curved components) or premix casting method (suitable for standard panels) is selected according to product characteristics, and vacuum degassing technology is applied to reduce internal pores. Particularly in the curing stage, a 28-day constant temperature and humidity curing regime keeps the component strength compliance rate stable above 98%.

Technological Innovation Breakthroughs: Balancing Customization and Industrialization

Faced with the extreme requirements of high-end projects for shape complexity, GRC manufacturers need sustained technological innovation capabilities. Qinglong has achieved breakthroughs through three core technologies: first, developing a lightweight high-strength formula system that keeps the weight of extra-large components (up to 15 m² per piece) within hoisting limits; second, applying 3D scanning and robotic carving technology to achieve precision machining of double-curved components with a minimum radius of curvature of 300mm; third, pioneering an integrated "GRC + insulation + finish" composite process that consolidates traditional multi-process construction into a single component, greatly improving installation efficiency. This technological accumulation has enabled Qinglong to successfully complete benchmark projects such as the double-curved GRC curtain wall of the Dongguan Women and Children's Activity Center and the translucent concrete of Century Plaza on Nanjing East Road.

Quality Control System: Reliability Assurance Across the Full Life Cycle

The core competitiveness of a professional GRC manufacturer lies in quality stability. Qinglong has established a full-process traceability system from raw materials to finished products: each batch of glass fibers undergoes alkali resistance testing, and cement-based materials are subjected to 300 freeze-thaw cycle tests; RFID chip implantation technology is used during production to record component manufacturing information; before leaving the factory, products are doubly verified through ultrasonic flaw detection and load testing. This stringent quality control has enabled its products to pass the highest-level certification of the Technical Standard for Building Application of Glass Fiber Reinforced Cement (GRC) (JGJ/T423-2018), with products exported to overseas markets such as Australia and Saudi Arabia.

As a national high-tech enterprise and a participant in the formulation of GRC industry standards, Qinglong Group has always upheld the mission of "creating aesthetically beautiful architecture," transforming 28 years of craft heritage into service advantages. From European classical moldings to modern parametric facades, the process evolution of GRC materials is driving architectural decoration toward lighter, more artistic, and more durable directions. Choosing a GRC manufacturer with full-chain capabilities is not only a guarantee of engineering quality, but also a strategic investment in the realization of architectural aesthetics.