Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Tripropylene Glycol Butyl Ether TPNB

Dow’s DOWANOL™ TPNB is a tripropylene glycol butyl ether solvent offering low volatility, excellent solvency for resins and coatings, and favorable HSE profile. Widely used in industrial cleaners, ink formulations, and architectural paints as a high-performance coalescing agent and active ingredient.
  • tripropylene glycol butyl ether tpnb_0e1e90c4
  • tripropylene glycol butyl ether tpnb_0e1e90c4

Features Of Tripropylene Glycol Butyl Ether TPNB

  1. Low volatility with high boiling point for extended open time in coatings and inks.

  2. Excellent solvency for resins including acrylics, alkyds, and cellulose derivatives.

  3. Good water miscibility and coalescing ability in waterborne formulations.

  4. Low odor and favorable toxicological profile compared to aromatic hydrocarbons.

  5. Effective coupling agent that improves formulation stability and film uniformity.

Typical Applications Of Tripropylene Glycol Butyl Ether TPNB

  1. Water-reducible industrial coatings and maintenance paints.

  2. Architectural latex paints and interior wall coatings.

  3. Flexographic and gravure printing inks.

  4. Automotive refinish clearcoats and basecoats.

  5. Specialty cleaning formulations for precision degreasing.

Specifications Of Tripropylene Glycol Butyl Ether TPNB

Chemical TypeGlycol ether (propylene glycol-based)
Product FormClear, colorless liquid
AppearanceTransparent, free from suspended matter
OdorMild, characteristic ether-like
Density (20°C)0.905–0.915 g/cm³
Boiling Point (760 mmHg)230–240°C
Water SolubilityMiscible in all proportions
Flash Point (COC)≥ 105°C


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