What is the air tightness performance?

The pressure drop is less than 3kPa in a 24-hour test.

Inflatable Rubber Culvert Balloon Inflatable Core Mold for Culvert Rubber Balloon

Name: Inflatable Rubber Culvert Balloon Inflatable Core Mold for Culvert Rubber Balloon
Brand: Hengshui Jingtong Rubber Co., Ltd.
SKU: 1976642195

Hebei, ChinaHengshui Jingtong Rubber Co., Ltd.

US$20.00-200.00

1 Set

Sample price:US$100.00/set.Request sample

Product profile

Customization

Available

Condition

Used, New

Certification

ISO9001, ISO9001, ISO

Model NO.

dia600mm*12m

Usage

Tunnel, Bridge, Culvert

Material

Natural Rubber

Shape

Oval

Material

Natural Rubber

Shape

Round

Usage

Making Culverts

Length

0.5m-35m

Diameter

50-3000mm

Color

Black

Working Pressure

0.015MPa

Application

Bridge, Pipe, Tunnel

MOQ

1 Pieces

Transport Package

Pallet

Specification

dia900x15m

Trademark

HengJingGong

Origin

China

HS Code

4016999090

Production Capacity

10000set/Month

Key features

Excellent Air Tightness: Pressure drop less than 3kPa in a 24-hour test.

Puncture Resistance: Surface puncture strength is at least 80N.

Flexible Storage: Easy to fold and store with good rebound capability.

ISO9001 Certified: Product meets international quality management standards.

Customization Available: Offers full customization, minor customization, and flexible options.

Versatile Applications: Used in bridges, culverts, tunnels, and water conservancy projects.

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: ≤4.94h

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.