Q6: How is the bentonite waterstop strip installed?

A:Simply fix with adhesive backing or nails to the concrete joint surface; no heat, welding, or special tools required.

Q7: Can the product be customized?

A:Yes, we offer full customization including size, color, shape (P-type, round), and expansion ratio.

Concrete Water Stop Strips Swellable Water Stop for Tunnel Joints

Name: Concrete Water Stop Strips Swellable Water Stop for Tunnel Joints
Brand: Hengshui Jingtong Rubber Co., Ltd.
SKU: 1926633086

Hebei, ChinaHengshui Jingtong Rubber Co., Ltd.

US$0.98

500-999 Meters

US$0.88

1,000-4,999 Meters

US$0.78

5,000+ Meters

Product profile

Customization

Available

After-sales Service

Installation Guide

Application

Indoor, Outdoor

Model NO.

BW-011

Certification

CE, ISO

Shape

Strip

Color

Black / Red / Blue / Custom

Hardness

42±10 Shore a

Feature

Self-Expanding, Hydrophilic, Self-Adhesive, Waterp

Usage

Construction Joint, Wall Joint, Basement, Tunnel,

Volume Expansion

Pn 150%--300% / Pz 400%--600%

Tensile Strength

≥3.5MPa

Working Temperature

-40 ℃-120 ℃

Swelling Pressure

≥0.8~2.5MPa

Water Absorption

≥300%

Expansion Time (Peak)

24 - 72 Hrs

OEM/ODM

Custom Sizes, Shapes, and Colors Per Drawing

Sample

Available

Transport Package

Cardboard Box + Pallet

Specification

20*30, 10*10, 10x20, 20*25, or as requirement

Trademark

HengJingGong

Origin

Hengshui, Hebei, China

HS Code

4008290000

Production Capacity

50000 Meters Per Week

Key features

Hydrophilic Swelling Core: Absorbs moisture to expand and seal gaps against water migration effectively.

Self-Adhesive Application: Bonds directly to concrete without fasteners, tools, or heat.

Re-Sealable Action: Re-swells after dry cycles to seal new micro-cracks automatically.

Customizable Dimensions: Available in standard sizes or fully customized per drawing requirements.

High Expansion Rate: Volume expansion ranges from 150% to 600% depending on the model.

High Hydrostatic Pressure: Withstands swelling pressure up to 2.5 MPa when confined in joints.

OEM/ODM Support: Full customization available for size, shape, color, and expansion ratio.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceExperienced TeamPatents Awarded

Hengshui Jingtong Rubber Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Tianjin Port,Qingdao PortAverage Response Time: ≤5.16h

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory and limited company with associated companies, offering a broad range of bridge, rubber, sealing, and customized products. It reports 10 production lines, defined product output, six to ten quality-control staff, and export experience of 10 years, with exports representing 41%–50% of total sales. The supplier provides extensive customization and ODM services and reports new products during the past year. However, no supplier-management-system certification is reported, and its service-capability procedures lack written records for assessment and corrective/preventive actions. Complaint handling has a clear procedure with follow-up records. The supplier has no overseas warehouse, showroom, agent or branch, or offline trade-show participation. Financial credibility cannot be assessed from the available non-financial information.

Supplier typeThe supplier is explicitly classified as a factory and limited company, with associated companies and manufacturing as the industry of those companies. This supports direct manufacturing status rather than a trading-only profile.

CertificationsThe supplier-management-system certification field is explicitly reported as NIL. No certification evidence is provided for this field, indicating a stated lack of supplier-management-system certification.

After-Sales capabilityThe supplier has a clear customer-complaint handling procedure with follow-up records, which is positive evidence for after-sales issue management. However, assessment and corrective/preventive-action procedures have no records, so the service system is only partially documented.

R&D capabilityThe supplier reports new products during the past year and provides ODM services, indicating active product-development capability. However, it reports no available SDK, which limits evidence of software-development or integration capability.

Production capacityThe supplier is a factory operating 10 production lines, with six to ten quality-control staff and stated output across rubber culvert balloons, seismic isolation bearings, waterstops, and expansion joints. It also reports inspection instructions that are uniformly followed, supporting established production and quality-control operations.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization, including made-to-order products with complex profiles and different materials. It also provides ODM services, demonstrating broad customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of at least one customer-case category. No customer names, project details, volumes, or independently verifiable case documentation are provided.