Asahi Kasei started the production and sales of TENAC™ homopolymers in 1972, followed by copolymers in 1985, and the world-first polyacetal block copolymers TENAC™ LA series in 1987.
The company started production and sales of copolymers in Zhangjiagang, China since 2004 in addition to the plant in Japan.
In the polyacetal business field, Asahi Kasei is the world's only manufacturer of both homopolymers (TENAC™) and copolymers (TENAC™ -C), as well as for the block copolymers "TENAC™ LA series" with its own unique technologies.
Okayama, Japan 44,000 Mt/year
(20,000 Mt/year homopolymer, 24,000 Mt/year copolymer).
Zhangjiagang, China 20,000 Mt/year copolymer.