Tunnel Segment Gasket , hydrophilic EPDM sealing gasket

FOR duct piece joint of shield segment tunnel, conduit joint, underground engineering, infrastructure deformation joint, construction joint and settlement joint.

1) Material: EPDM+ Hydrophilic Rubber

2) Co-extruded rubber

3) Excellent flexibility and good resistance to aging, chemical medium and ozone

4) Play a good waterproof performance and weather resistant property in a big temperature range

5) Profiles could be designed according to concrete segment structure

6) Hydrophilic EPDM sealing gasket gives a “double-insurance” sealing to the concrete segment. Once EPDM gasket is leaked, hydrophilic rubber strip will slowly expand by swelling water to prevent water in, playing a second waterproof role.

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

  Jiangyin Haida Rubber and Plastic Co., Ltd.,   is the leading manufacturer in the rubber and plastic seal industry in China.
  Haida has strong and abundant technical resources. There are more than 130 professional technicians in R&D and production area; in addition, there are all kinds of advanced software and hardware equipment. Based on that, Haida could provide systemic service such as material research and product design. As a state approved high-tech enterprise, Haida also has more than 40 items of independent intellectual property rights among which there are 5 items of state invention patent.
  The production capacity of Haida is on the top lines in rubber and plastic products industry in China. There are two advanced production lines in our mixing center, more than thirty rubber and plastic extrusion lines and more than hundred rubber press machines with all kinds of power.
  Our products are widely applied in the industry of construction, tunnel, marine, container, vehicle and railway. Its customer covers all over the world and the market share of major products is the No.1 in domestic market.
  Been certified by ISO9001:2000, ISO/TS16949 and ISO14001, Haida administrates itself by fully carrying out quality managements on product development, production and its administration.
 “Good Quality and High Efficiency, Keep Improving, Technical Innovation, and Sincere Service” is the invariable quality guide lines. With the service concept of passionate, thoughtful, speedy and high-efficient, Haida will satisfy every customer’s demand.