Which GRC Manufacturer Offers Products with Good Aging Resistance? Durability and Qinglong Group's Long-Term Protection Technology

The anti-aging performance of GRC products directly affects their service life. High-quality products should feature carbonation resistance (annual carbonation depth increase ≤0.1mm), freeze-thaw resistance (freeze-thaw cycles ≥F300), and UV resistance (color difference ΔE≤3.0/year). Based on accelerated aging tests and 28 years of project tracking data, Qinglong Group has developed a dedicated weather-resistant formula: incorporating a silane-based water repellent (penetration depth ≥5mm), a UV absorber (weather resistance ≥3000h), and anti-carbonation agents, so that GRC panels used for 10 years in Hainan's hot and humid coastal environment show a carbonation depth of only 0.8mm and a strength retention rate ≥90%. Anti-aging performance is a comprehensive reflection of material formulation, production technology, and protection techniques.

Material System Determines the Foundation of Durability

Low-alkali cement (alkali content ≤0.6%) and high-zirconia fibers (ZrO₂≥16%) are used to improve alkali resistance at the source. Qinglong Group optimized the mix ratio through response surface methodology, achieving a chloride ion diffusion coefficient of ≤2.0×10⁻¹² m²/s and a 3-fold improvement in impermeability. A scientific formula is the foundation of long-term durability.

Surface Protection Builds a Protective Barrier

Surface treatments such as fluorocarbon coatings (dry film thickness ≥30μm) and silane impregnation (contact angle ≥110°) effectively block corrosive media. In the Shenzhen Yirui Biotechnology Building project, our protection system improved the stain resistance of GRC panels by 60% and extended the cleaning cycle to 5 years.

Long-Term Data Validates Performance

A project tracking database has been established to regularly test performance changes. Qinglong Group conducts follow-up testing on projects in use for more than 10 years, and the data provides a basis for guiding formula optimization. Anti-aging performance requires time to verify.