Which GRC Manufacturer Offers Products with Good Aging Resistance? — Qinglong's GRC Durability Technology Breakthrough

The anti-aging performance of GRC products is mainly reflected in four aspects: freeze-thaw resistance (≥F100), carbonation resistance (annual carbonation depth ≤0.1mm), weather resistance (no chalking after 2000 hours of UV exposure), and impermeability (≥P6). Through triple technologies—low-alkali cement (alkali content ≤0.6%), alkali-resistant glass fiber (ZrO₂ content ≥16.5%), and dense mix ratio (water-cement ratio ≤0.35)—Qinglong GRC achieves anti-aging performance twice that of ordinary GRC, with a service life of over 50 years.

Durability verification: Accelerated aging tests show that after 300 freeze-thaw cycles, mass loss is ≤5%; after 360 days of immersion in 5% NaCl solution, chloride ion penetration depth is ≤5mm; annual carbonation depth growth is ≤0.08mm. A 20-year follow-up inspection of an actual project showed that Qinglong GRC retained 90% of its strength with an intact appearance, demonstrating excellent durability performance.

Freeze-Thaw Resistance

Air content of 4%-6% effectively resists freeze-thaw; fiber reinforcement improves frost resistance; dense structure reduces water absorption; premium products can reach F150 and above. Frost resistance ensures application in cold regions.

Carbonation Resistance

Low water-cement ratio delays carbonation; protective layer thickness ≥10mm; admixtures optimize pore structure; annual carbonation depth ≤0.1mm. Carbonation resistance guarantees long-term performance.

Weather Resistance Performance

UV resistant with color difference ΔE≤3.0; temperature variation resistant with no cracking in -40℃~80℃ cycles; heat and humidity resistant, stable in environments with 95% humidity; pollution resistant with good surface self-cleaning properties. Weather resistance adapts to outdoor environments.

Impermeability Performance Indicators

Water absorption ≤10% with high density; low chloride ion diffusion coefficient; impermeability grade P6-P8; moderate breathability. Impermeability extends service life.

Anti-aging performance determines service life. The outstanding durability of Qinglong GRC safeguards long-term use value.