高分子化成 Company Profile

We protect your home from leaks.

Koumon Chemical Co., Ltd. is a company located in Ibaraki City, Osaka Prefecture, that sells and processes construction sealing materials, adhesives, waterproofing materials, heat shrink tubes, and chemical products, as well as performing waterproofing work, installation of water stop boards, and welding work. In filling processing, we fill aluminum tubes with adhesives and other materials, fill cartridges with adhesives and other materials, and fill can containers. In the construction department, we undertake waterproofing work, exterior wall repair work, and underground waterproofing work.