open menu

A high value-added business that produces materials essential for the high-tech electronic industry



Neochem PU has independently developed NF3 gas and special industrial gases used for high-tech products such as semiconductors, displays, and solar cells. Based on state-of-the-art facilities and the know-how and technology Hyosung Chemical has attained in the chemicals industry, Neochem PU produces and sells high-quality products. In addition, in response to continuous expansion of the semiconductor and display markets, Neochem PU consistently augmented its production lines and has established a stable supply system. Neochem PU is working hard to produce various products with an aim to become a dedicated special gas producer.


  • In-house development
  • High quality
  • Stable supply system

Major Products

  • Nitrogen trifluoride(NF3)
    A colorless, non-reactive gas used for cleaning semiconductors and display CVD chambers and etching semiconductors, NF3 boasts a purity of more than 99.99%.
  • 20% F2/N2 gas mixture
    A pale yellow gas with a pungent smell used for cleaning semiconductors and the chamber of LPCVD equipment, the 20% F2/N2 gas mixture cleans the inner wall of a chamber through reaction between F2 and the impure residue generated on the wall of the chamber.

Contact Information

Product Manager
Domestic Sales Team Shin Hye-jun
Product Manager
Global Sales Team Choi Yoo-jung

※ We will be sure to get back to you at the earliest possible moment after our manager reviews your inquiry.