Purom Unveils World-First Nano-Convergence Radon-Blocking Coating to Combat Indoor Carcinogens
South Korean innovator Purom Co., Ltd. introduces a proprietary nano-convergence coating that blocks over 99% of radon gas and harmful TVOCs. BERLIN, BERLIN, GERMANY, January 13, 2026 /EINPresswire.com/ -- Purom Co., Ltd., a South Korean bio-nano …