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Aug. 18, 2026
RDP Chemistry Explained: VAE vs VeoVa vs Acrylic vs SBR — Which Polymer for Your Mortar? Which RDP polymer suits your mortar? VAE is the cost-effective workhorse; VeoVa resists water and alkali for coastal facades; acrylic gives best UV and color stability; SBR suits interiors only. Dosage trades strength for flexibility: S1 needs ~40 kg/t, S2 ~100 kg/t. CHARING offers VAE grades and VAE-acrylic terpolymers for waterproofing.
Aug. 12, 2026
PVA Selection Guide: 1788 vs 2488 — Which Grade for Your Mortar Application? PVA selection guide comparing 1788 and 2488 for dry-mix mortar. Covers hydrolysis degree, polymerization degree impact on viscosity and film strength, PVA vs RDP comparison, dosage for tile adhesive, putty, and render, plus partial RDP replacement strategies. Includes CHARING product specs.
Aug. 12, 2026
Self-Leveling Compound Problems: Diagnosis and Formulation-Level Solutions Self-leveling compound diagnosis and formulation guide. Covers the ternary cement system (Portland + high aluminate + calcium sulfate), PCE superplasticizer selection, and troubleshooting for poor flow, bleeding, cracking, uneven setting, pinholes, and low early strength. Includes CHARING PC 3010, HP 400, defoamer, and silica fume recommendations.
Aug. 12, 2026
Wall Putty Formulation Guide: Interior and Exterior — Standards, Formulas, and Common Problems Comprehensive wall putty formulation guide for interior (JG/T 298) and exterior (JG/T 157) applications. Covers standards, formulas with component dosages, climate adjustments, and troubleshooting for cracking, powdering, peeling, and freeze-thaw failure. Includes CHARING HPMC, RDP, and hydrophobic agent recommendations.
Aug. 11, 2026
Waterproofing Systems Guide: JS, CCCW, K11, Polymer Mortar — Which One to Use and Why This guide covers four Chinese waterproofing standards: JS coating (GB/T 23445), K11 slurry (JC/T 2090), polymer mortar (JC/T 984), and CCCW (GB 18445). Includes rigid-to-flexible spectrum, formulation tables, location selection, tile adhesive matrix, and CHARING product recommendations for RDP, HPMC, and hydrophobic agents.
Aug. 10, 2026
How to Choose RDP (Redispersible Polymer Powder) — A Complete Selection Guide This RDP selection guide explains how to choose redispersible polymer powder by Tg and MFFT, covering tile adhesive (C1/C2), EIFS, waterproofing, and self-leveling applications. It includes CHARING product recommendations (RD 7015H, RD 7003M, RD 8080F, RD W8050), dosage guidelines, and common selection mistakes to avoid.
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