Rubber Waterstop strips

Water-swelling Rubber Waterstop Strips, Bentonite Waterstop Strips — our product line covers self-expanding rubber waterstops and bentonite waterstops for tunnels, basements, precast joints and other waterproofing joints. Designed for rapid swelling, reliable sealing and easy on-site installation.

Our manufacturer

Hengshui Aohong is an experienced producer with automated extrusion, composite and vulcanization lines plus a full QC lab. We offer OEM/ODM, custom cross-sections and full documentation (material certificates, factory test reports, and third-party inspection such as SGS/ISO) to support export and project audits.

Cost overview (high level)

Major cost drivers are raw materials (rubber compounds, active bentonite or swelling polymers), followed by processing (extrusion/compound/vulcanization), quality testing, packaging and logistics. Final unit cost depends on profile complexity, material formulation, and order volume.

Quality advantages

• Fast and stable swelling to form continuous seals.

• Improved resistance to aging, oils and salts when the correct grade is selected.

• Low loss-on-ignition and good mechanical recovery for long service life.

• Strict batch QC: swelling rate, tensile/compression tests and chloride/salt checks; third-party inspection available.

• Easy to cut and install; custom profiles fit preformed grooves or steel molds.

• Traceability and export compliance: batch numbers, certificates and inspection reports.

If you need material selection or a formal quotation for Water-swelling Rubber Waterstop Strips or Bentonite Waterstop Strips, please provide service conditions (temperature, media, joint width, installation method and annual quantity) and we’ll recommend the optimal product and send detailed specifications.