Name: Domestic Taiwan Dalian MPO 2-Methyl-1,3-Propanediol
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Domestic Taiwan Dalian MPO 2-Methyl-1,3-Propanediol

High-purity monomeric diol with ≥99.5% assay, ensuring consistent reactivity in polyurethane and polyester syntheses.
Excellent hydrolytic stability and low volatility, enhancing process safety and shelf life under ambient storage conditions.
Superior compatibility with aromatic and aliphatic isocyanates, enabling broad formulation flexibility in high-performance coatings.
Low color (APHA ≤10) and minimal residual odor, critical for premium-grade clearcoats and sensitive elastomer applications.
Optimized steric structure from the α-methyl group, delivering enhanced chain flexibility and improved low-temperature impact resistance in final polymers.

Typical Applications Of Domestic Taiwan Dalian MPO 2-Methyl-1,3-Propanediol

Chain extender in thermoplastic polyurethane (TPU) for automotive interior trim and flexible electronics encapsulation.
Co-monomer in saturated polyester resins for UV-curable industrial wood and metal coatings.
Building block for waterborne polyurethane dispersions (PUDs) used in eco-friendly textile and leather finishes.
Modifier in alkyd resins to improve drying speed, gloss retention, and alkali resistance in architectural paints.
Reactive diluent and flexibilizer in radiation-curable acrylate systems for optical adhesives and protective films.

Chemical Type	Aliphatic diol (branched C4 diol)
Product Form	Liquid at room temperature
Appearance	Clear, colorless to pale yellow liquid
Purity (GC)	≥99.5%
Water Content (Karl Fischer)	≤0.10 wt%
Acidity (as Acetic Acid)	≤0.05 mg KOH/g
Color (APHA)	≤10
Density (20°C)	1.03–1.05 g/cm³

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E-mail: wangxingqiang@ericwchem.com
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