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About UsZHONGTAI HENGBANG Engineering Technology Co., Ltd. is located in the Academician Entrepreneurship Base of Tai'an National High-Tech Industrial Development Zone, Shandong Province. The company is a comprehensive service provider specializing in engineering consulting and design, materials R&D and manufacturing, as well as operations and maintenance. With strong technical expertise and robust R&D capabilities, its products are primarily applied in critical areas such as water conservancy infrastructure projects, transportation infrastructure initiatives, and environmental protection solutions for isolating and preventing leakage from urban waste and highly hazardous industrial solid waste.
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ProductsZHONGTAI HENGBANG Engineering Technology Co., Ltd. boasts production lines sourced from countries including Germany, Italy, Denmark, Belgium, and Switzerland, adhering to rigorous quality management systems and testing standards. We are equipped with advanced testing equipment capable of evaluating tensile strength, creep resistance, UV protection, water permeability, flame retardancy, antistatic properties, chemical corrosion resistance, and oxidation performance.
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Application CasesThe product is primarily used in hydraulic infrastructure projects, transportation infrastructure projects, and environmental protection applications—including the isolation and impermeability of municipal waste and highly hazardous industrial solid waste.
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BlogPrioritizing technological advancement and innovation, our company is committed to fulfilling user needs to the fullest extent possible.
Which is more suitable for tunnel waterproofing projects: Sichuan EVA waterproof sheets or PVC waterproof sheets?
Release date:
2020-09-21
The PVC and EVA waterproof membranes from Guangyuan, Sichuan, both offer excellent waterproofing performance for tunnels. But which one is more suitable? The two types have distinct characteristics, each with its own unique advantages.
Sichuan Guangyuan Tunnel Waterproof Membrane It is generally used in Tunnel Secondary lining is crucial, making waterproofing work especially important. A commonly used waterproofing material is polymer self-adhesive waterproof membrane. This membrane consists of a polymer sheet (such as PVC, PE, EVA, ECB, or TPO), a self-adhesive rubber-bitumen adhesive layer, and a release liner—and can be further reinforced with fabric laminates on the polymer sheet, if required.
Among them, Sichuan Guangyuan PVC Waterproof Membrane And Sichuan Guangyuan EVA Waterproof Membrane The Sui road has relatively good waterproofing performance. So, which one is more suitable? The two types of waterproof boards have different features and each comes with its own advantages.
Sichuan Guangyuan EVA Waterproof Membrane Our production equipment consists of an automated rolling-line system that forms the product in a single, seamless process. The primary material used is high-quality ethylene-vinyl acetate copolymer, with fibers added to enhance strength. Additionally, modifiers are incorporated to improve the material's physical and chemical properties, while stabilizers ensure greater chemical and thermal stability. To extend the product's lifespan, an anti-aging agent is included, and an antioxidant is added to boost its resistance to oxidation. Finally, a fungicide is introduced to prevent bacterial and fungal attacks, safeguarding the material from degradation.
Sichuan Guangyuan PVC Waterproof Membrane This high-performance polymer roll material is created by using polyester fiber fabric as a reinforcing layer, combined seamlessly with specialized extrusion-coating technology that bonds the polyvinyl chloride plastic layers on both sides to the central polyester reinforcement. The advanced PVC plastic formulation, paired with the mesh-like structure of the polyester fabric, ensures exceptional dimensional stability and a remarkably low thermal expansion coefficient—enhancing the roll material's durability even when exposed directly to harsh natural environments over extended periods.
Sichuan Guangyuan EVA Waterproof Membrane It features wear resistance, corrosion resistance, temperature resistance, and resistance to environmental stress cracking, with slightly higher impact toughness compared to kang.
Sichuan Guangyuan PVC Waterproof Membrane It boasts excellent corrosion resistance, insulation properties, temperature tolerance, and impact resistance, while also offering relatively high strength.
Compared to each other, Sichuan Guangyuan PVC Waterproof Membrane It’s quite brittle and not very durable, whereas the EVA waterproof boards from Guangyuan, Sichuan, are highly elastic, offer strong and reliable joints, and boast excellent durability. That’s why nowadays most of the Tunnel For impermeability Sichuan Guangyuan EVA Waterproof Membrane There will be a bit more of them.
Sichuan Guangyuan EVA Waterproof Membrane Scope of application:
Transportation Engineering: Tunnel , waterproofing and anti-seepage projects for subways, highways, tunnels, bridges, and more;
Construction Engineering: Waterproofing and Leak-Proofing for Roofs, Basements, and More.
Hydraulic engineering: Projects such as reservoir dams, cofferdams, canals, and other structures designed for waterproofing and preventing seepage.
Environmental Engineering: Waterproofing for landfill sites, wastewater treatment plants, metallurgical facilities, chemical plants, and other projects requiring protection against water infiltration, seepage, and moisture.
ZHONGTAI HENGBANG Engineering Technology Co., Ltd. is a comprehensive service provider integrating engineering consulting and design, material R&D and manufacturing, as well as operations and maintenance. With robust technical expertise and strong R&D capabilities, our products are prominently applied in critical areas such as water conservancy infrastructure projects, transportation infrastructure initiatives, and environmental protection fields like urban waste management and the safe isolation and impermeability of hazardous industrial solid wastes. The company boasts advanced production lines sourced from Germany, Italy, Denmark, Belgium, Switzerland, and other countries, adhering to stringent quality management systems and rigorous testing standards. We are equipped with state-of-the-art equipment capable of evaluating key properties—including tensile strength, creep resistance, UV protection, permeability, flame retardancy, antistatic performance, chemical corrosion resistance, and oxidation stability—ensuring superior product quality. Furthermore, our enterprise has successfully obtained certifications such as CRCC, ISO 9001, ISO 14001, OHSAS 18000, and MA certificates, along with inspection reports from China’s Ministry of Railways and Ministry of Water Resources, the EU CE certification, and approvals from specialized laboratories in Russia, Australia, the U.S., and other regions. We are dedicated to delivering top-quality geosynthetic materials and unparalleled services for a wide range of projects, including reinforced soil retaining walls, soft ground stabilization, land reclamation and seawall construction/maintenance, hydraulic engineering, slope remediation and ecological restoration, road construction, and mining projects.
Consultation Phone: 13953856388
Contact: Mr. Zhang
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ZHONGTAI HENGBANG Technology Co., Ltd.
Address: East Section of Zhongtianmen Avenue, Tai'an High-tech Zone, Shandong Province
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