Shield segment elastic rubber gasket is the main material used for assembled tunnel segments sealing, which is a composite of single porous EPDM rubber or porous EPDM rubber and the expandable rubber. The surface contact stress of the material is almost unchanged even if the seam opening volume changed within the specific range of the seam opening volume.
If the seam is fully closed, it also won't generate excessive stress from segment ends, it can keep surface contact stress sufficiently.
Porous rubber waterstop can reduce compressive stress, increase the segment seam opening volume, and can be not easy to be stress relaxation and permanent deformation by long-term compression.
It also can become expandable rubber composite gasket when made up with expandable rubber, if EPDM gasket leaks, slow expansion-type expandable rubber strip will begin to expand slowly to waterproof, so that play asecond layers of waterproof role.
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Shenyang Ruide Plastics ＆Rubber Manufacture CO., LTD was established in 1996. It is one of the largest enterprises of manufacturing sealing products mainly used in severe cold region. The main products are high-quality EPDM rubber, silicone rubber, thermoplastic elastomer (TPE)，modified polyvinyl chloride (PVC) and other rubber products. Our yearly production could reach as much as 15000 tons. Products could be applied to many different types of architectures on doors, windows, curtain walls, and other fields as bridges, automobiles, energy, transportation, medication, etc.
Over the years, our experienced technical staff and professional expert team enriched their knowledge and experience by learning, assimilating and absorbing from other peer companies both domestically and internationally. They concentrated on researching of more products with energy saving and eco-friendly practice. We are co-writer of books “National building doors and windows with compound sealing stripstandard", "Building doors and windows fittings applied technical guidelines"and "Liaoning Province architectural energy saving windows standard".
With more than 20 years of great efforts, by upholding the philosophy of “motivated by technology, committed to high quality products”, the company has expended branches and offices to most parts of country including Heilongjiang, Jilin, Neimenggu, Beijing, Shanghai, Shandong, Shanxi, Gansu, Ningxia, Tianjin, Jiangsu, Shanxi, etc. Our friendly and knowledgeable staff will provide excellent customer service and marketing support efficiently.
Based on the field of sealing material used on building’s doors, windows and curtain walls, we are moving forward to pursue more technological products. As a leading enterprises and manufacturer in sealing products, we committed to provide one-stop service of researching, manufacturing, producing, marketing and technical supporting for our valued client.
To keep pace with the times, to pursue superior quality, to create brand named product, to be a leading role in professional development.
Technology innovation, technology is the implement of innovation, while innovation is the spirit of enterprise.
We provide outstanding service with honest, we committed that excellent service is company’s top priority.
Our business is oriented by delivering the superior customer service to each client, which enhanced enterprise competitive.
To be the best supplier of sealing material for building’s doors, windows and curtain walls .