Tile adhesive (CTA) C2 guide formulationBy Jason Cai / May 28, 2025 Portland cement: 25-35%CaCO3 0.045mm: 0-10%Sand(0.2-0.5mm): 50-55%HPMC cocelose 752S: 0.3-0.4%RDP ACMEVA 815: 1.5-2%Enhancer Cremortive EH2: 0.2-0.25%Starch ether Cremortive SE 12H: 0.05-0.1%Total: 100%