Swimming pool microcement

Compressive Strength: ≥30.4 MPa at 24h, ≥40.5 MPa at 7 days (National Standard ≥20.0 MPa) Flexural Strength: ≥10.2 MPa at 24h, ≥11.2 MPa at 7 days (National Standard ≥5.0 MPa) Abrasion Resistance: 0.011g (500g/100r, National Standard ≤0.15g) Anti-Slip Performance: Dry Friction Coefficient 0.77 (National Standard ≥0.6) Water Resistance: Passes 168-hour (7-day) chlorinated water immersion test (0.3–0.5 mg/L, simulating normal swimming pool concentration), with no blistering, peeling, cracking, or discoloration Chemical Resistance: No adverse effects when exposed to 10% H₂SO₄ (acid), 20% NaOH (alkali), bleach (1:9 diluted), alcohol, lemon juice, etc. Heat/Aging Resistance: Vicat Softening Point >155°C (National Standard ≥140°C) Environmental protection indicators: formaldehyde-free, VOC-free, and heavy metal-free, meeting food contact grade and maternal and infant safety standards