Dimethylolpropionic Acid (DMPA) supply
Molecular formula C5H10O4
Propertiesodorless, free flow white crystal
Melting point185-190℃; Density：0.84.
Assay (%)≥99 Moisture (%)≤0.2 Ash (%)≤0.03 Residual aldehyde (%)≤0.01 Hydroxyl value (mgKOH/g) 810-860 Fe (PPM)≤5 Na (PPM)≤30 K (PPM)≤10
P(as phosphate) (PPM)≤10 Si(as silicate) (PPM)≤1 Sulfate ion (PPM)≤10
Solubility test in acetone-triethylamineclear
Uses ：It can be used in water soluble PU system, water soluble alkyd resin, polyester resin, epoxy ester coating, PU elastomer and powder coating. Now, it is mainly used in coating of water soluble PU system, adhesive and leather coating agent
Specification： DMPA-Ⅰ (coarse) size 0.250-0.425mm ≥90%, DMPA-Ⅱ (refined) size 0.250-0.425mm ≤30%0.150-0.250mm ≥50%
Packing：25Kg in paper-plastic laminated bag or cardboard drum. or following your demands.
Storage：sealed, kept in cool and dry place. If piled, it should be laid on wood sheet with thickness of 10cm) and the distance from wall is 50cm.
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