Polyurethane sealant used to connect high-grade sealing of roads, bridges, runways and other flexible in joints and other piping black sealant joints, seals and other subway tunnels and other underground tunnel junction. Sealants are used to fill the gap configuration, in order to play the role of adhesive seal with anti-leak, waterproof, anti-vibration and noise, heat and other effects, good elasticity, excellent resilience, can be used for dynamic joints; Sealant black _ Shandong Austria too (certified) _ sealant provided by Industrial Co., Ltd. Shandong Austria too. Shandong Austria too Ltd. (www.shandongaotai.com) is Dezhou, PU products leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Shandong Austria too leadership with the staff warmly welcome all inquiries negotiations to create Shandong Austria too a better future.