Vật liệu chống thấm PVC bền cho xây dựng bê tông và các mối nối chống thấm

Product DescriptionPVC waterstop is made of polyvinyl chloride (PVC) resin and used for waterproof sealing of concrete joints. It helps prevent water from penetrating through expansion joints, settlement joints, or construction joints. This product is suitable for various underground and above-ground projects. Product FeaturesCorrosion resistanceAging resistanceTemperature adaptabilityGood tolerance to common chemical media such as acids, alkalis, and salts.Maintains stable material properties under normal service conditions.Suitable for a wide range of temperatures (subject to engineering design).WeldabilityCustomizableCan be welded using hot air or heat tools, providing reliable joint sealing.Width, thickness, length, and profile can be tailored to project requirements.Technical Parameters (Reference Values)

Item	Unit	Parameter
Hardness	Shore A	70±5
Tensile Strength	Mpa	≥12
Elongation at Break	%	≥300
Stress at Given Elongation	Mpa	≥5.5
Brittleness Temperature	℃	<-38
Water Absorption	%	<0.5
Heat Air Aging Coefficient (70±1℃, 240h)	%	≥95
Alkali effect coefficient (20% alkali liquor,NaOH or KON)	/	≥95
Note: Above parameters are only for reference, products can be customized

Application Scenarios—Underground utility tunnels —Wastewater treatment plants —Dams and canals —Tunnels and subway projects —Basements of industrial and civil buildingsInstallation Instructions1.Align the centerline of the waterstop with the joint center. 2.Fix the waterstop in place using positioning rebar. 3.Prevent shifting or curling of the waterstop during concrete pouring. 4.Use heat welding for joints to ensure full and continuous welds. 5.Perform visual inspection after welding, and conduct an air tightness test if required.CÂU HỎI THƯỜNG GẶPQ1.How to store PVC waterstop properly? A:Store indoors in a cool, dry, ventilated place away from direct sunlight and heat sources. Do not stack heavy items. Keep away from solvents, oils, and strong acids. Q2.What is the lead time? A:Standard orders ship 10-30 days after confirmation. Custom products may require additional time depending on complexity. Q3.How soon can I get a quotation after making an inquiry? A:After receiving complete technical requirements (specifications, quantity, delivery location, etc.), we typically provide an initial quotation within 24 hours.  Q4.Is customization supported? A:Yes, we support customization. Width, thickness, length, profile design, color, and technical parameters can all be customized according to project requirements.