What customization services are available?

We offer OEM and ODM services, including customization from samples, designs, full customization, minor customization, and flexible customization.

What are the standard dimensions available?

Standard widths include 10, 15, 20, 30, 40, and 50 mm. Standard heights include 10, 20, 30, 25, 40, 50, and 60 mm.

What are the payment terms and lead time?

Payment terms include LC, T/T, D/P, PayPal, Western Union, and small-amount payments. The average lead time is within 15 workdays for both peak and off-peak seasons.

300% Swelling Bentonite Water Swelling Strips Hydrophilic Rubber Water Stop Strip

Name: 300% Swelling Bentonite Water Swelling Strips Hydrophilic Rubber Water Stop Strip
Brand: Hengshui Jingtong Rubber Co., Ltd.
SKU: 1976688565

Hebei, ChinaHengshui Jingtong Rubber Co., Ltd.

US$0.55

2,000-19,999 Meters

US$0.28

20,000+ Meters

Product specifications

Color

Sample price:US$1.00/meter.Request sample

Product profile

Customization

Available

After-sales Service

Installation Guide

Application

Indoor, Outdoor, Building Waterproofing

Model NO.

20X10MM

Certification

CE, ISO, RoHS

Shape

Strip

Type

Pn / Pz Grade Hydrophilic Swelling Strip

Expansion Rate

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

Tensile Strength

≥3.5 MPa

Elongation at Break

≥350%

Working Temperature

-20°C to +60°C

Feature

Swellable, Self-Adhesive, Self-Healing, Waterproof

Size

10X20mm, 15X20mm, 20X25mm, 20X30mm, 30X40mm,Custom

Transport Package

Pallet

Specification

20x15mm

Trademark

HengJingGong

Origin

China

HS Code

4008290000

Production Capacity

10000m/Day

Key features

Sealed Joint Protection: Hydrophilic rubber swells on water contact for active sealing.

Bentonite + Butyl Core: Swells and adheres for long-term waterproof sealing.

Self-Adhesive Backing: Bonds directly to concrete without nails or formwork.

Returned Swelling: Re-expands through wet-dry cycles for self-healing.

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: ≤5.89h

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.

Product Q&A

Q:What is the water absorption rate of the bentonite waterstop?

The product has a water absorption rate of no less than 300%, with volume expansion ranging from 200% to 500% upon water contact.

Q:Can the color and size of the water stop strip be customized?

Yes, colors such as black and red are available, and other colors can be customized. Additionally, other specifications and sizes can be customized.

Q:What are the main applications for this hydrophilic water stop?

It is widely used in underground engineering (subways, tunnels), hydraulic engineering (dams), municipal engineering, industrial buildings, and civil buildings for waterproofing joints.

Q:Does the product have self-healing properties?

Yes, it features self-healing capability that automatically repairs new gaps caused by structural deformation.

Q:What is the warranty period for this product?

The product comes with a 1-year warranty and includes an installation guide.