Is it possible to purchase in small quantity samples?

If it is a small quantity, we can ship samples free of charge, so please feel free to contact us.

Does Gun Ei Chemical manufacture yarn, felt, and activated carbon?

We make only fibers. Yarn, felt and ACF are manufactured by our partner factories.

Does Kynol change over time?

Kynol darkens over time. However, it can be used without problems in terms of performance.