
GB Standard Polymer Modified Mortar for Museum and Gallery Walls Cement Mortar. GB Standard Compliance: Complies with GB/T 25181-2019 for high-performance base-layer leveling. Lightweight & Low Shrinkage: Reduces wall weight and minimizes hollowing or cracking risks. OEM/ODM Customization: Customized solutions available for different climates and standards. Smart Manufacturing: 3 automated m-tec lines ensure 100% precision and stable supply. Global Export Experience: Trusted in 80+ countries with rapid domestic and global logistics. Expert R&D Support: In-house lab and 6 senior experts provide technical guidance. Moisture-Proof Packaging: Multi-layer valve bags and vacuum sealing prevent clumping. High Coverage Efficiency: 3-5mm thin-set application uses 50% less material than traditional methods.