Houchi Chemical and DOXA
Aerial view of the DOXA plant in Douliu, Taiwan

Houchi Chemical Co., Ltd. · Est. 1959

Polymeric dispersants for coatings and inks

Houchi makes the DOXA additive line at its plant in Douliu, Taiwan: more than forty dispersant grades, plus defoamers, leveling agents, rheology modifiers and resins.

DOXA plant, Douliu, Taiwan

Why formulators test DOXA

A second source

Qualify DOXA alongside your current supplier. More choice, less risk.

Direct from manufacturer

Buy from the company that develops and makes the product. Factory-direct pricing and technical support.

Continuous R&D

Our R&D centres keep developing new grades for new pigments and systems.

Global sales

Sold across Asia, Europe, the Middle East and the Americas

Now with sales and support in the US and Canada.

  • Southeast Asia
  • Northeast Asia
  • South Asia
  • China
  • Middle East
  • Europe
  • South America
  • North America
  • Oceania
World map with the countries where DOXA is sold highlighted, across Asia, Europe, the Middle East, the Americas and Australia
The DOXA factory and lab in Douliu, Taiwan, with the DOXA sign on the building

Houchi Chemical

Made at our plant in Douliu, Taiwan

Houchi Chemical was founded in Taiwan in 1959. The DOXA additive line is made at the company's factory and lab in Douliu, Yunlin County. Head office is in Taipei.

Founded
1959
Head office
Taipei, Taiwan
DOXA plant
Douliu, Taiwan
North America
US · Canada
The Houchi group
DOXA · Additives for coatings, inks and plasticsAsiafine · PigmentsHouchi Machine · Grinding mills

From the DOXA lab

Application reports with full formulations and results, on doxa-chemical.com.

UV
Spredox D-382 in UV-based colour paste

Dispersion and grinding results for organic pigments and carbon black in UV systems.

NC
Spredox D-175 in alcohol-based NC flexo and NC-PU gravure inks

Full formulations and test results from the DOXA lab.

The DOXA range

Grade lists and specifications are on doxa-chemical.com. Ask us for data sheets.

SPREDOX

Polymeric dispersants for water-based, solvent-based and UV-cured coatings and inks, with paired synergists. More than forty grades.

DOXFOAM

Defoamers for water-based, solvent-based and UV systems.

See grades

DOXFLOW

Flow and leveling agents.

See grades

DOXGEL

Rheology modifiers for water-based coatings.

See grades

DOXMER

Resins for water-based industrial coatings.

Ask for the data sheet

Start with a sample or a catalogue

Tell us what you use now, or the system and pigment you're working with. We'll suggest a DOXA grade and send a sample to test. We serve formulators across the US and Canada.

We use your details only to reply to your enquiry.

Prefer email? info@houchichemical.com