Rdp, Redispersible Polymer Powder, HPMC manufacturer / supplier in China, offering Low Viscosity Additive Dry Mix Mortar Water Retention Agent Mhec Jint400 Methyl Hydroxyethyl Cellulose, Mhec White or off-White Powder Methyl Hydroxyethyl Cellulose for Building Material Dry Mix Mortar Additives Mhec, Surface Treated Water Soluble Methyl Hydroxyethyl Cellulose Medium Viscosity Mhec Jint40000s for Construction and so on.