Payment & Shipping Terms:
silicone rubber gasket,
rubber seal ring
NBR Cord Tunnel Segment Gasket for duct piece joint
Nitrile Rubber Cord
1) Material: NBR
2) Hardness: 60-80SHA
3) NBR cord is made of nitrile rubber and cork, playing torque drive, buffer anti-vibration and protecting shield concrete segment in the process of shield construction.
4) NBR cord has excellent resistance to oil and aging, anti-vibration cushion effect and a certain seal performance.
Products are applied for duct piece joint of shield segment tunnel, conduit joint, underground engineering, infrastructure deformation joint, construction joint and settlement joint.
Main products include shield segment waterproof rubber seal, hydrophilic expansion rubber seal.
Products are applied in many important projects both in domestic and abroad, such as Beijing subway, Shanghai subway, Guangzhou subway, Korea Drainage Works.
In the process of participating in engineering construction, our company have not only mastered technical capacity of producing shield segment waterproof materials, but also accumulated rich experience on mechanical structure, mechanical conditions and seal mechanism of such products. Our company can design a suitable segment seal gasket through finite element analysis, various stress tests of finished products and water pressure-resistant tests under different conditions in accordance with duct size, force size and watertight indexes provided by the customer
NBR Cord; Nitrile Rubber Cord
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