Q6: What is the service life and chemical resistance?

50+ year design life; excellent resistance to alkalis, acids, and groundwater chemicals -- ideal for aggressive environments.

Center Bulb PVC Waterstop Strip for Concrete Construction Joints Waterproof Sealing

Name: Center Bulb PVC Waterstop Strip for Concrete Construction Joints Waterproof Sealing
Brand: Hengshui Jingtong Rubber Co., Ltd.
SKU: 797579475

Hebei, ChinaHengshui Jingtong Rubber Co., Ltd.

US$0.90-2.80

100 Rolls

Product profile

Customization

Available

After-sales Service

Installation Guide

Application

Indoor, Outdoor, Bridges/Dams/Tunnels/Basements/Construction Joints

Model NO.

JT-PVC-300

Certification

CE, ISO, RoHS

Shape

Roll

Materials

High Quality Plastic PVC/Polyvinyl Chloride

Hardness (Shore a)

80±5

Tensile Strength

≥12 MPa

Elongation at Break

≥300%

Tear Strength

≥25 kN/M

Application Method

Fastened on Rebar, Embeded in Concrete

Application Range

Construction, Building, Underground Projects, Pool

Colors

Blue, Yellow, White, Black; Custom Colors Availabl

Section Profile

Center Bulb / Dumbbell / Flat Strip — Custom Profi

Size

200-500mm (Width) × 3-8mm (Thickness)

Transport Package

15-25m/Roll, with Plastic Bags, Can with Pallets

Specification

300mm×4mm, 200mm×3mm; Custom Sizes Available

Trademark

HengJingGong

Origin

Hengshui, Hebei, China

HS Code

3916200000

Production Capacity

30000m/Month

Key features

Ribbed Center Bulb Profile: Hexagonal bulb flexes with movement; wings grip concrete firmly.

Long Coil Supply: Continuous belt rolls reduce on-site splicing and joints.

Monolithic Welded Joints: Heat fusion creates one seamless waterproof barrier.

Winter-Grade Flexibility: Bends without cracking in cold weather conditions.

Color-Coded Options: Blue for pools, yellow for inspection, black standard.

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: ≤5.28h

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:Q1: What is a PVC waterstop and where is it used?

A PVC plastic sealing strip embedded in concrete construction joints to prevent water leakage in tunnels, basements, dams, and water treatment plants.

Q:Q2: What profile types do you offer?

Center-bulb, flat (external), dumbbell, and ribbed profiles; standard width 150-500 mm/ Customized,thickness 3-8 mm/Customized.

Q:Q3: What are the key physical properties of your PVC waterstop?

Tensile strength Greater than or equal to 12 MPa, elongation at break Greater than or equal to 300%, Shore A hardness 65-75, meeting EN 681-1 standards.

Q:Q4: Is it made from virgin or recycled PVC?

100% virgin PVC compound with UV stabilizers and plasticizers, ensuring consistent quality, flexibility, and long-term durability.

Q:Q5: How is PVC waterstop joined on site?

Hot-air welding with matching PVC welding rods -- creates a homogeneous, leak-proof joint as strong as the original material.