Name: Eastman TMPD Glycol Trimethylolpropane Diol
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Eastman TMPD Glycol Trimethylolpropane Diol

High-purity diol derived from trimethylolpropane, offering exceptional hydroxyl functionality and molecular symmetry.
Low volatility and excellent thermal stability, supporting processing at elevated temperatures without significant degradation.
Superior water solubility and miscibility with common organic solvents, enabling flexible formulation design.
Low color and minimal volatile organic content (VOC), meeting stringent requirements for high-clarity coatings and adhesives.
Consistent batch-to-batch performance, backed by Eastman’s rigorous quality control and ISO-certified manufacturing.

Typical Applications Of Eastman TMPD Glycol Trimethylolpropane Diol

Coating resins — especially in high-solids, low-VOC polyurethane and polyester systems.
UV-curable inks and coatings requiring rapid crosslinking and enhanced flexibility.
Specialty adhesives and sealants where toughness, adhesion to polar substrates, and humidity resistance are critical.
Electronics encapsulants and potting compounds demanding low ionic impurities and dielectric stability.
Chemical intermediates for synthesizing branched polyether polyols and functionalized surfactants.

Chemical Type	Aliphatic diol (branched glycol derivative of trimethylolpropane)
Product Form	Liquid at room temperature
Appearance	Clear, colorless to pale yellow liquid
Hydroxyl Number (mg KOH/g)	380–400
Acid Number (mg KOH/g)	≤ 0.5
Water Content (wt%)	≤ 0.1
Color (APHA)	≤ 30
Primary Applications	Coatings, adhesives, UV-curable formulations, electronic materials

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