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Water Expandable Butyl Rubber: SP-EW3
【For civil engineering】
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This water expandable butyl composite seal material is produced by applying the water expandable rubber technology commonly used for concrete segment seals to Sealant Tape SP, which is used as a water sealant for box culverts and closed conduit gutters.

・Water sealing for manhole bodies and joints
・Sealants for the joints of box culverts and canals (U-shaped gutters) for agriculture and other applications

Types and Shapes.

If you desire a size other than those shown on the left, please contact us.