Can we act as your regional distributor?

We warmly welcome global distributors and engineering partners to cooperate with us. We will offer competitive wholesale prices, stable supply and comprehensive technical & after-sales support for a long-term partnership.

Specialized Bitumen Waterproof Membrane for Subway Tunnel Use

Name: Specialized Bitumen Waterproof Membrane for Subway Tunnel Use
Brand: Sichuan Zhijia New Material Co., Ltd.
SKU: 1998243901

Sichuan, ChinaSichuan Zhijia New Material Co., Ltd.

US$1.20-4.50

500 Square Meters

Product profile

Customization

Available

Certification

CE, ISO

Thickness

0.8mm, 1.2mm, 1.5mm, 2mm

Model NO.

Tunnel Lining Membrane

Product Name

Waterproof Board

Product Types

EVA Waterproof Board

Keywords

Tunnel Lining Membrane

Composite Model

Zj-Wb12+300g

Surface Type

Smooth (Standard); Composite (Geotextile Laminated

Composite Options

Single-Sided Composite / Double-Sided Composite

Material

EVA (Ethylene-Vinyl Acetate), HDPE (High-Density P

Length

20m to 40m

Installation Method

Hot-Melt Welding

Tensile Strength

≥ 18 MPa

Elongation at Break

≥ 650%

Tear Strength

≥ 100 N

Low-Temperature Flexibility

-35°C, No Cracking

Hydrostatic Pressure Resistance

0.3 MPa / 24 H, No Leakage

Transport Package

Roll Packaging, Wrapped with Waterproof Woven Film

Specification

ZJ-WB10 (1.0mm Smooth), ZJ-WB12 (1.2mm Smooth), ZJ

Trademark

Origin

Sichuan, China

Production Capacity

8000000square Meters/Year

Key features

Hot-Melt Weldable Seams: Creates strong, watertight joints with high joint strength to reduce leakage risks.

Excellent Hydrostatic Resistance: Resists 0.3 MPa hydrostatic pressure for 24 hours with no leakage.

Multiple Material Options: Available in EVA, HDPE, and ECB materials to suit various project needs.

Comprehensive Certification: Certified with CE and ISO, compliant with TB/T 3360.1-2014 and GB/T 18173.1.

Flexible Customization: Offers single/double-sided composite options and smooth or laminated surface types.

Long Service Life: Designed with aging resistance for stable performance and reduced maintenance.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced Team

Sichuan Zhijia New Material Co., Ltd.

Sichuan, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 years CertifiedNearest Port: Chongqing port CertifiedTerms of Payment: PayPal, T/T

About Our Factory & Business Background

AddressChengdu, Sichuan, China

International Commercial Terms(Incoterms)EXW

Average Lead TimePeak Season Lead Time: one month, 1-3 months Off Season Lead Time: within 15 workdays, one month, 1-3 months

Minimum Order Quantity1

Supply Chain Partners10

Our Production Capability & Technical Expertise

Main ProductsWaterproof Geomembrane, Geotextile, Geocell, Geogrid, Waterproof Board

Production Lines4

Production Machines4m specification geomembrane production equipment, 4m specification geomembrane production equipment, 6m specification geomembrane production equipment, Geotextile production equipment

QA/QC inspectors10 people

Inspection Type for Finished ProductsRandom inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

R&D Engineers1 people

Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

Main MarketsNorth America, Europe, Southeast Asia/ Mideast, Domestic

Number of Foreign Trading Staff5

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Product Q&A

Q:What main products do you supply?

We specialize in geotechnical & waterproof new materials, including HDPE geomembrane, geotextile, waterproof board, water stop belt, drainage board and related auxiliary accessories. Our products are widely applied in water conservancy projects, environmental landfill, municipal engineering, road construction, tunnel, railway, aquaculture and anti-seepage projects.

Q:Can you offer professional technical solution design?

Our professional engineering team can evaluate your geological environment, construction conditions and project standards, then tailor exclusive anti-seepage & waterproof schemes. We also provide technical parameter documents and bidding supporting materials.

Q:How do you guarantee product quality?

We implement strict full-process quality control from raw material procurement to finished product delivery. Every batch of goods will pass physical and chemical tests before shipment, with complete official inspection reports attached. Our products comply with domestic and international industry standards, stable performance and traceable quality.

Q:What payment terms do you accept?

We support T/T, L/C and other mainstream international payment methods. Specific payment terms can be negotiated based on order volume and cooperation period.

Q:How do you handle product quality complaints?

Once confirmed the defects are caused by our production side after inspection, we will arrange replacement, resupply or return promptly and bear the related transportation costs. We respond to after-sales demands efficiently without delay or prevarication.