Tetramethylammonium hydroxide news

All news on Tetramethylammonium hydroxide (also known as TMAH): plants, production capacities, investments and involved companies.

19 June 2026

LOTTE Chemical Group: Hantok Chemicals breaks ground on Pyeongtaek TMAH plant

KRW 130 billion investment for a new TMAH plant on a 32,216 m² Poseung site to create a second production base and improve supply stability and logistics for semiconductor developers.
29 March 2026

LOTTE Chemical to merge with HD Hyundai Chemical after Daesan spin-off, pivots to specialty materials

Targets >60% specialty by 2030; building a 500k t/yr compounding plant; creating hydrogen value chain—four fuel-cell plants (80MW) and 450‑bar H2 hub; expanding high-end copper foil and TMAH output.
28 December 2025

LOTTE Chemical Restructures for High-Value Specialty Focus

Shifting from commodity petrochemicals, the company invests in specialty materials, hydrogen, and semiconductor solutions, while enhancing financial stability through strategic divestments.
1 October 2025

Lotte Chemical Showcases Advanced Materials at K 2025 Exhibition

Lotte Chemical presents sustainable, high-performance materials for mobility, recycling, and industrial applications at K 2025, aiming to expand in the European market.

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