What Are the Product Testing Standards of GRC Manufacturers? A Comprehensive Analysis of Key Indicators

A Comprehensive Analysis of GRC Manufacturer Product Testing Standards: Controlling Key Indicators to Build a Strong Line of Defense for Building Quality

"Testing standards are the quality genes of GRC products, and even more, the manufacturer's dual commitment to building safety and aesthetics." As an industry player with 28 years of deep engagement in the UHPC/GRC/GRG/GRP fields, Qinglong knows well that a rigorous testing system is not merely the bottom line of compliance, but the core guarantee for delivering reliable products to designers and owners.

### Core Testing Standards of GRC Manufacturers: From Industry Norms to Internal Controls The testing standards for GRC products are not single-dimensional; rather, they form a system jointly built by national industry norms and corporate internal control standards. The "Technical Standard for Glass Fiber Reinforced Cement (GRC) in Building Applications" (JGJ/T423-2018), currently in common use in China, serves as the industry benchmark, setting out the basic requirements for GRC products in terms of mechanical properties, weather resistance, appearance quality, and more. Qinglong, a GRC manufacturer that participated in drafting this standard, has established even stricter internal testing standards on top of it, raising the acceptance thresholds of certain indicators by 10%-20% to ensure long-term product stability in complex environments.

### Key Testing Indicators for GRC Products: Five Dimensions Building a Solid Quality Foundation To judge the quality of GRC products, focus must be placed on five core testing indicators: first, mechanical properties—focusing on flexural strength and impact strength, which directly determine the safety of GRC components during installation and use; second, weather resistance—verifying product durability across different climates through simulated tests such as freeze-thaw cycles and acid-alkali corrosion resistance; third, appearance quality—covering details such as surface flatness, smoothness of lines, and freedom from cracks and bubbles, to meet architectural aesthetic requirements; fourth, fire performance—ensuring compliance with building fire codes and eliminating fire safety hazards; and fifth, environmental indicators—testing the release of harmful substances to keep pace with the development trend of green buildings. Backed by comprehensive testing methods, Qinglong GRC manufacturer conducts sampling tests on every batch of products to ensure all indicators meet the standards.

### Qinglong GRC Manufacturer: A Full-Chain Testing System to Safeguard Every Project Unlike ordinary manufacturers that focus only on finished product testing, Qinglong has established a full-chain testing system spanning from detailed design to after-sales maintenance. In the design phase, BIM technology simulates the stress conditions of components to anticipate performance risks in advance; during production, raw materials (such as alkali-resistant glass fiber and cement-based materials) are tested one by one to control quality at the source; before finished products leave the factory, they undergo multiple checks including laboratory static load tests and on-site simulated installation trials; after construction is completed, regular inspection and maintenance services are also provided, taking responsibility for quality throughout the entire life cycle of the project. As a national-level high-tech enterprise, Qinglong's testing system has not only passed authoritative industry certifications but has also accumulated hands-on experience from thousands of projects, enabling customized testing solutions for different application scenarios (such as exterior walls of landmark buildings and landscape garden components).

For GRC products, testing standards are not cold numbers but a solemn commitment to building safety and aesthetics. With its attitude of "meticulousness and the relentless pursuit of excellence," Qinglong GRC manufacturer runs testing standards through the entire chain, providing solid support for bringing designers' creative visions to life and meeting owners' quality demands, helping every building project become an industry benchmark.