Daikin Industries
An Osaka-based air conditioner maker whose chemicals business supplies fluorine products to the semiconductor industry, including etching gases, fluoropolymers for chemical lines and fluoroelastomers for seals.
ダイキン工業・Process chemicals, gases and targets・Last updated: October 27, 2026
Overview
Daikin Industries is headquartered in Osaka and is known for air conditioning. Its chemicals business makes fluorine chemicals from fluorspar onward.
For semiconductors it supplies etching gases, fluoropolymers such as PTFE and PFA used for chemical piping and parts, and fluoroelastomers used in seals.
Business: Etching gases, fluoropolymers and fluoroelastomers
Why it matters
- Fluoropolymers line most of the chemical tubing and tanks in wet process tools because they resist acids and do not leach metals.
- Fluoroelastomer seals are used where O-rings meet plasma or aggressive chemicals.
Main products
- •Semiconductor etching gases
- •Fluoropolymers (PTFE, PFA)
- •Fluoroelastomers
Sites in Japan
Head officeHeadquarters
Osaka, Osaka