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ASIG offers various elastomeric gasket which are compatible with many tunnel concrete segments and will be fixed in place firmly. Additionally, further profiles can be designed based on grooves that are required.

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The profiles’ corner joints are being connected together strongly with a cold jointing method.

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ASIG is capable to manufacture hydrophilic gaskets. Hydrophilic sealing inserts can be used in both glued-into-groove and cast-in gaskets in order to prevent water penetration into tunnel.
In contacting with water, the hydrophilic gaskets will swell immediately, therefore if there is a gap between the gaskets, will be closed.

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Tunnel segment gaskets can be anchored into the concrete during the tunnel segment production process. Cast-in gaskets have some advantages relative to traditional glued-into-groove gaskets such as clean and easy installation, lack of need to adhesive, and reduction in costs.

ASIG is capable to manufacture both glued-into-groove and cast-in gaskets based on requests.

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This company proudly announces as the first producer of tunnel gaskets in Iran which the products have been used in numerous national projects and it is confirmed to be authentic by the government. We are ready to design and produce different types of polymer in water transferring systems of tunnels and subways.