What certifications does the product have?

The product holds ISO certification and the manufacturer has ISO-9001:2015, ISO45001:2018, and ISO14001 certifications.

What is the hardness of the waterstop strip?

The hardness is 42 +/- 7 Shore A.

What is the tensile strength of the material?

The tensile strength is more than 3.5 MPa.

Waterproof Material Water Swelling Waterstop Strips for Concrete Seal Joint

Name: Waterproof Material Water Swelling Waterstop Strips for Concrete Seal Joint
Brand: Hebei Luze New Materials Technology Co., Ltd.
SKU: 2143585462

Hebei, ChinaHebei Luze New Materials Technology Co., Ltd.

US$0.70

50 Meters

Sample price:US$1.90/meter.Request sample

Product profile

Customization

Available

After-sales Service

Service Online

Certification

ISO

Model NO.

LZPZ

Hardness ,Shore a

42+/-7

Tensile Strength

More Than3.5 MPa

Elongation at Break

More Than 450%

Volume Expansion Rate

150,250,400,600 %

Low Temperature Bending

No Crease on -20℃*2h

Transport Package

Carton+ Wooden Pallet

Trademark

LUZE

Origin

China

Key features

Automatic Water Expansion: Expands 2-5 times volume upon water contact to fill gaps and prevent leakage.

Reliable Sealing Performance: Maintains water-stopping function even when joint displacement exceeds elastic range.

Diverse Expansion Rates: Available in 150%, 250%, 400%, and 600% volume expansion rates.

Superior Material Durability: Features excellent resistance to water, chemicals, and aging without elastic fatigue.

Wide Application Scope: Ideal for shield tunneling, building deformation joints, and metal-concrete interfaces.

ISO Certified Quality: Manufactured with ISO-9001:2015 certification and 100% finished product inspection.

Flexible Customization: Supports full customization, minor customization, and design-based customization.

Multiple Size Options: Available in various sizes including 10x25mm, 20x30mm, and round profiles up to 30mm.

Company profile

Full CustomizationOEM ServicesFast DeliveryProduct Certification

Hebei Luze New Materials Technology 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: 9 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.01h

AI-Powered supplier vetting

SummaryThe supplier demonstrates professional technical and R&D capabilities, including 3D software design, ODM/OEM services, broad customization, and specialized testing and production equipment. Its business scope covers metal products, construction fittings, hardware, metal structures, and rubber products. Quality-related evidence is positive: ISO9001 certification, quality assurance, traceability, and documented corrective-action and complaint procedures. The supplier reports inventory capacity, qualified service-capable suppliers, and one-month lead times in both peak and off-season periods. However, it lacks a valid manufacturing-capacity contract with associated subcontractors, overseas warehouses, overseas showrooms, overseas agents or branches, and offline trade-show participation. Innovation evidence is mixed because no new product was reported in the past year and no SDK is available, although patents and university cooperation are stated. Financial credibility cannot be determined from the provided...

Supplier typeThe supplier identifies as a professional technical supplier and operates across R&D and manufacturing of metal products, construction fittings, hardware, metal structures, and rubber products. This supports classification as a technical manufacturer with a broad industrial product scope.

CertificationsThe company description states that the supplier is ISO9001 certified and holds more than 100 national patents. ISO9001 is explicit evidence of certification, although no additional certification details are provided.

After-Sales capabilityThe supplier has documented procedures and followed records for corrective and preventive actions and customer complaint handling. This is direct evidence of an established service-response mechanism, while no specific response times or warranty terms are stated.

R&D capabilityThe supplier provides R&D, 3D software design, ODM, and OEM services, and reports more than 100 national patents plus university cooperation on seismic isolation technology. However, it reported no new products in the past year and has no available SDK, so the evidence supports technical innovation capacity but not all forms of product or software innovation.

Production capacityProduction evidence includes broad manufacturing business scope, specialized testing and production equipment, inventory capacity, 17 qualified suppliers for service capability, and stated one-month lead times in both peak and off-season. A limitation is that no valid manufacturing-capacity contract exists with associated subcontractors, which creates a documented capacity-governance weakness but does not negate the stated in-house capability evidence.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, supported by 3D software design services and listed design and production equipment. This is clear evidence of broad customization capability.

Client casesThe supplier states that it is qualified to cooperate with China Communications Construction, CSCEC, and China Railway, and that it provides OEM services for popular brands. These statements indicate experience or qualification involving major customers, although no project details, order scope, or verifiable case outcomes are provided.