The special additives in the spinning process can effectively enhance the surface protective film of polyester fibers, reduce wool rate and breakage rate, improve product quality, make the subsequent processing smoother and dyeing more uniformly. Tongkun is the fourth company in the world and the only company in China to master the core technology of oil additives, breaking the foreign monopoly and realizing import substitution.
Mainly includes antimony glycol, liquid titanium dioxide and masterbatch.
Among them, antimony glycol as a catalyst, titanium dioxide as a matting agent, and masterbatch as a dyeing agent, which are indispensable additives in the production process of polyester filaments.