Single component polyurethane sealant, as known as a single component, hydrophilic, water activated, hydro active, expandable, gungrade waterstop, is also called single component polyurethane hydrophilic expansion waterproofing sealant. When in contact with water, the sealant expands and produces an expanding pressure. The pressure between the expanded sealant and the surrounding concrete structure prevents water penetration through the joint and provides a durable waterproofing solution.
Advantages
Based on the physical and chemical properties of the polyurethane sealant, it has many advantages. Such as:
Expansion rate. The polyurethane sealant has a strong expansion capacity. It can expand to 220% or 300%, 400%, 500%, even 600% of its own volume.
Strong adhesion. It can used to steel, HDPE, PVC, and other common building materials, and it also effective to damp surfaces.
Good weather resistance. It has low temperature flexibility, and its service life of up to 15 to 20 years.
Environmentally non-toxic. It has good chemical resistance, and it tested can be resistant to hydrochloric acid, salt water, sodium carbonate, potassium hydroxide and other chemicals. In addition, it is safe and non-toxic when in contact with drinking water, belongs to environmentally friendly products.
Ease to use. It can be applied with a standard caulking gun.
Application
Polyurethane sealant is widely used in construction, transportation and other industries. Such as the following usage:
Caulking agent. The polyurethane sealant is used as caulking agent in the construction of subways, tunnels, underground parkings and other projects.
Sealing waterproof. In building construction, it can play a role of sealing waterproof for doors and windows, exterior walls and other parts.
Water stop. It can be used as water stop when punctures are found in plumbing, sewer lines and other utility pipes.
Neutral silicone structural adhesive sealant is a kind of high modulus and high elasticity silicone rubber. It with good weather resistance is easy to use and work well in bad weather. Compared with non-structural adhesive, the structural adhesive sealant with high strength can bear high capacity without damaged. And it can form a strong bond with most of materials without primer. So it not only can be used in constructions but also can be used in glass and ceramics industry. Compared with two-component polysulfide sealant, neutral silicone structural adhesive sealant can be used directly without mixing. In addition, our products are non-toxic, non-polluting products. You can use it without any worries.
Specification
Density: 1.5 g/cm3.
Elongation: 150%.
Tensile strength: 100 MPa.
Color: black, white, gray, transparent, red, green, brown and so on.
Specification: 590 ml.
Package: in carton. 20 per carton.
Feature
High strength, high bearing capacity.
Aging resistance, corrosion resistance.
Excellent stability and durability.
Good adhesion and sealing performance, can form a strong bond with most materials.
Insulation performance.
It has shock absorption effect.
High and low temperature resistance.
Good elasticity and flexibility.
It can be applied to various materials.
Easy to use. Single component, don't need to mix.
Application
The seal of window and door. Aluminum, titanium and plastic steel.
Glass curtain wall, aluminum plate curtain wall.
Various kinds of glass.
Concrete and cement constructions.
Marble ground and wall.
Various metals.
Wood and furniture.
Ceramics.
Kitchen.
Bathroom.
Two-component polysulfide sealant, as known as a two-component, non-sag, premium polysulfide sealant, which is also called polysulfide sealant for building made up of liquid polysulfide rubber, and add tackifying resin, vulcanizing agent, accelerant and fortifier into it. It contains two components and it can vulcanize and crosslink by itself at room temperature. The two components have clear color difference, which makes the mixing more convenient. It can keep good air tightness and water resistance in continuous vibration and temperature changes. In addition, it has a good bonding effect for metal, concrete and other materials.
Application
The polysulfide sealant is suitable for outdoor or indoor and can be used to seal both static and dynamic joints:
Used to caulk at concrete, building, and bridge.
Used in anti-leakage caulking of various types of expansion joints, such as waterworks, swimming pools, reservoirs, power plants, dams, sewage treatment works and water supply and drainage systems and other projects.
Used as the joints of precast concrete, and the seams of the glass and construction.
Used in the seaming of metal siding, and the bonding of aluminum window frame.
Using method
Add component B and pigment into component A;
Stir quickly up and down until it is well mixed;
Wipe the mixed sealant in the site where is waiting for construction with a small shovel;
Don´t soak and contact with water within 48 hours after construction.
Note
Component B should be fully added into component A, which will affect the curing time and plasticity;
The available time of mixed sealant is 2 hours. So the sealant should be used up as soon as possible after preparation to avoid the paste curing;
The surfaces waiting for construction must be clean, dry and frost-free, and must be free of oils, grease, paints, coatings, sealers, curing compound residues, and any other foreign matter that might prevent adhesion;
Notice to avoid water and rain within 48 hours after construction.
Single component polyurethane water-swelling sealant is a kind of polyurethane type amorphous paste with one-component, solvent-free, water swelling. The amorphous paste ensure that it can be used to prevent infiltration in irregular base. It has double sealed water stop function. Single component polyurethane water-swelling sealant not only has elasticity water stop of rubber but also has volume expansion stop water after soaking. And it can be cured in humid environments. Curing time depends on the temperature and humidity of environments. Compared with waterstop, it can be used in various irregular seams, especially between different materials, wet, pile head and other parts. And it also can be used in vertical surface without sag. Water-swelling sealant can be divided into two kinds according to the swelling ratio: PJ220 and PJ400. It is the economic choice for customers.
Specification
Hardness: 65.
Temperature range: -4080°C.
Expansion rate: 220%.
Package specification: 600 ml per unit.
Package:
Single component polyurethane water-swelling sealant is packed in foil papers.
Each box has 20 single component polyurethane water-swelling sealants.
Glue gun installation tips
Single component polyurethane water-swelling sealant should used with glue gun. The right picture will show you how to install the single component polyurethane water-swelling sealant in glue gun. It is easy to learn and use.
Feature
Good seal and water stop effect.
Good durability, excellent chemical stability.
Flexibility, applied to various irregular base.
Good adhesion, moist ground also can be bonded firmly.
The rate of mass change is low.
Construction is simple, easy to operate.
Environmentally friendly products, safe and non-toxic.
Economic price.
Application
Underground constructions.Tunnel.Protective engineering.Subway.Sewage treatment tank.Construction joints.Deformation seam.Wall seam.Pipe trench.Filling and sealing joint of door.Sealing joints of window.Expressway.Bridge.Airport runway.
Bentonite waterstop is a kind of hydrophilic water sealing product coming with incomparable durability and higher water absorption no less than 300%. Unlike traditional clay based waterstops, this one utilizes rubber as base material to form a controlled, moisture active sealant - that means the bentonite waterstop will not expand to point losing much of integrity even being washed away by water during continually expansion.
Features & benefits:
Quality sodium bentonite clay and rubber materials.
Moisture activated.
Strong, durable with high cost effectiveness.
High water absorption with excellent compression seal.
High expansion control ability for preserving its integrity.
Controlled internal pressure in surrounding concrete to avoid spalling and cracks.
Withstand high water pressure.
Capable to self-healing.
Easy and fast to transport and install.
Easy to joining.
Non toxic
Application:
Joints with limited movements.
Construction joints and sheet pile joints.
Water containment and reservoirs.
Water and sewage treatment.
Primary and secondary structures.
Manholes and elevator pits, manure pits
Tunnels, culverts, dams, water tanks and canals.
Pipe penetrations.
Swimming pools and parking garages.
Retaining walls.
Precast concrete structure.
Foundations and basements.
Slabs and king post.
Fast track projects
EVA waterstop is a kind of new type waterstop. It is made of polyvinyl chloride, EVA resin and a variety of additives by special production processes. High quality materials make it have many functions and advantages. EVA waterstop with high elasticity and high tensile strength is not easy to be damaged by stretching. EVA waterstop has excellent corrosion resistance. So it is not corroded in the underground constructions or waste water treatment facilities. EVA waterstop is widely used in the structural joint of the building foundation to to prevent leakage and prevent seepage. And our products are in line with international standard. You can use it without any worries.
Feature
High elasticity and tensile strength.
Excellent weather resistance.
Excellent waterproof performance.
Corrosion resistance, acid and alkali resistance.
It can withstand high Hydrostatic pressure.
It can bear shocks of heavy turbines, earthquakes and floods.
High flexibility, easy to install.
Application
Foundation.
Constructions.
Retaining walls.
Parking garages.
Bridge.
Deck abutments.
Storage tanks.
Tunnels.
Dams, canals.
Water reservoirs.
Water and waste water treatment facilities.
Primary and secondary containment structures.
TPV waterstop, also known as TPER waterstop, made of an alloy of rubber and plastic, acts as a fluid-tight diaphragm with excellent mechanical properties and higher chemical resistance than traditional waterstops. Without plasticizer, stabilizer or fillers, the TPV waterstops will not leech out when exposed to chemical fluids as hydrophilic waterstops.
HDPE Waterstop is used as a fluid-tight diaphragm, embedded in concrete, across and along the joint, for primary and secondary containment structures. Chemical Resistant Waterstops are ideally suited for fuel, oil, and other hydrocarbon
Features & benefits
Quality recycled thermoplastic elastomeric rubber materials - healthy and environmental friendly.
Excellent resistance against chemical, ozone, oils, solvents, hydrocarbon and aggressive industrial liquids, etc.
Not susceptible to ketones, esters, glycols, alcohol, and water solution of acids, salts and bases, etc.
High resistance to long term temperature changing ranging from -78°F to 275°F.
High elasticity.
Superior weather and UV resistance
Easy to butt-weld.
low tension and compression set.
Excellent dynamic fatigue resistance.
Installation:
Normally, the TPV waterstops are embedded into or installed along extend of joints for preventing water and chemical liquid leaking into the joints, which is the weak point in any concrete structure. As to the changes of directions, pre-fabricated products are needed for easy installation.
Application:
Ideal for primary and secondary containment structures.
Sewage treatment facilities.
Fueling containing areas.
Mining and refineries industries.
Structures relating to ozone.
Manure pits and elevator pits.
Retaining walls and dams.
Storage tanks and other water reservoirs.
Canals and tunnels.
Roof and floor slabs, parking decks and bridge decks.
PZ waterstop is a new type hydrophilic watertight product manufactured of quality vulcanized rubber and other additives, which make it expansible with physical properties of rubber. Comparing with bentonite waterstop and butyl rubber waterstop, this one has following characters:
Features & benefits:
High watertight properties - once exposed to water, PZ waterstop will expand one to five times to fill all irregular surfaces, holes and spacing of surrounding concrete. Meanwhile, if the construction joints are displaced which will result in oversized gaps beyond elastic range of waterstops, traditional waterstop will lose its effect of water-proofing, but our PZ waterstop still performs great by continual swelling.
Much stronger taking advantages of cross-linked chemical structure at the atomic level.
Smaller size but uncompromising water swelling property.
Eliminate elastic fatigue caused by excessive compression.
Excellent water resistance, chemical resistance and anti-aging property.
Easy and quick to install.
Slow expansion type is also available as your request.
Applications:
Pipe penetration.
Water reservoirs.
Settling pond.
Deformation and concrete construction joints of civil engineering.
Water conservancy and hydropower projects, etc.
Rubber waterstop, made of quality SBR (styrene butadiene rubber), neoprene rubber or natural rubber, is one of the widest types for concrete structure to prevent liquid leaking in or out. Generally, designed to be cast in the concrete, rubber waterstops are ideal for applications where high physical properties of rubber are required. For example, reservoirs, dams and other water retaining or excluding applications with high movements or water pressure.
Features & benefits:
High elasticity.
High elongation.
Excellent high movement accommodation.
Capable to withstand high hydrostatic head.
Adjust for subsidence and seismic movements.
Hot vulcanized site joints.
Applications:
Ideal for high movements joints.
Water containments.
Water excluding.
Tunnels and civil engineering structures.
Water and waste treatments.
Dams, reservoirs, and spillway.
Chemical areas.
Irrigation canals, sea walls and culverts.
Main types:
Dumbbell type
Dumbbell type water stops, with flat web section, are ideal for construction and partial contraction joints with little or no movements.
Center bulb type
Center bulb type waterstop, as its name implies, features its center bulb which makes it ideal for contraction and expansion joints including high lateral, transverse and shear movements. Meanwhile, it is perfect for withstanding the subsidence of the joints.
Installation:
All the rubber waterstops are designed to cast in the concrete as an integral joint sealing system. Pre-fabricated waterstops are also supplied to reduce site jointing.
Steel-edge waterstop is a modification of traditional rubber waterstop with steel plate rings being inserted into the middle of vulcanized rubber. High liquid-tightness and high absorption of shear movements make the steel-edge waterstop a recommended choice for expansion, contraction joints and other construction fields with high pressure and structure variable.
Once the structure sedimentation, concrete shrinkage and creep occur, the rubber parts of steel-edge waterstops will be elongated and thin to adjust to these deformations without affecting the adhesion between steel plates and the rubber part, between steel plates and the surrounding concrete. In this way, the steel-edge waterstops are able to withstand greater tension and torsion than traditional waterstops; meanwhile, it effectively prevents concrete loosen, breaking off and the form of leaking cracks.
Feature & benefits:
Quality EPDM rubber with high tensile strength.
Galvanized steel plate for high rust and corrosion resistance.
With punched holes on the steel plate for easy installation.
Adjustable to high movements and deformations.
High adhesion between the steel plates and the rubber.
Excellent fastness between the steel plates and surrounding concrete.
Custom types are welcomed.
Applications:
A diagram of steel-edge waterstop
Water conservancy projects.
Dams, tunnels and channels.
Basements of high-rise building.
Slabs and wall junctions.
Duct piece joint of shield segment tunnel.
Construction, expansion and contraction joints.
Conduit joints and infrastructure deformation joints.
Underground engineering.
Ω type inserted rubber waterstop, also called © type inserted rubber sealing, is a kind of flexible rubber waterstop. Its middle is semi-circular structure and both sides are flats structure. The middle of the semicircle structure is to have better stretch and compression in the deformation process of expansion joints. It is not poured into concrete. It is installed on the concrete surface through slotted after the concrete construction is completed. © type inserted rubber waterstop can be used as a kind of waterproof measure as a late remedy. If the expansion joints leaking, we can add a layer of © type inserted rubber waterstop later. If the © type inserted rubber waterstop is also destroyed, you can remove the original and then re-install a layer. In addition, our waterstop product with high elasticity and corrosion resistance is not easy to be damaged. It has a long service life.
Specification
Material: natural rubber, neoprene rubber, EPDM etc.
Width: 200 400 mm. Other specifications also can be customized.
Length: We can customize any length according to your request.
Temperature range: -45 °C to +60°C.
Feature
High elasticity and compressive deformability.
Corrosion resistance, wear resistance.
Removable, easy to install and replace.
Aging and tear resistance, long service life.
Good adapt to deformation ability.
Excellent waterproof performance.
Installation tips
Embedded bolt construction. Embedded bolts must be fixed on the steel plate in advance, and then pour the concrete. The concrete that under the embedded steel plate should be shocked and mashed.
The corners of the deformation seam should be made circular arc or 45° angle. Arc radius should be based on the length of embedded bolts to determine. The distance between two adjacent bolt heads can not affect the installation of the waterstop.
Embedded steel plate and plywood also should be made into the same shape. When embedding the bolt, we should use PVC tube to protect bolt after coated with butter.
The fix of Ω type inserted rubber waterstop.We should use belt punching to fix the waterstop according to the actual position of the bolt.
During the entire installation process, must not be hard to pull the waterstop.
The space between waterstop and embedded steel plate should use asbestos cardboard or soft metal sheet to make it tighter.
Application
Underground construction.
Dam.
Storage tank.
Water reservoirs.
Swimming pool.
Bridge.
Tunnel.
Water and waste water treatment facilities.
Butyl rubber waterstop is a type of hydrophilic water sealing product to prevent any passage of water through non-moving construction joints. Composed of quality butyl rubber and mastic or expansible clay, when exposed to water, the waterstop swells and forms a permanent compression seal in non-moving concrete construction joints.
Features:
Preserve its integrity with self-control ability.
Easy and fast to install owing to its high self-adhesive properties to dry surface.
Form a permanently flexible watertight joints.
Anti-aging without shrinkage, hardening and oxidization.
Withstand harsh temperatures ranging from -30°F to 200°F.
Non-toxic.
No need of special handling.
Application:
Concrete construction joints.
Non-moving joints.
Portable water tank, box culverts and tunnels.
Water containments.
Pipe penetrations.
Manholes.
Slab and walls below grade.
Cast in place applications.
Foundations and basements.
Utility and burial vaults.
Precast concrete wall panel system.
Wet wells.
Note:
Before installation, do not forget to clean and dry the surface of the concrete.
Butyl waterstops should be stored in cool, dark and dry environment, away from moistures.
Not appropriate for expansion and moving joints.
Please make sure a minimum 2 inches of concrete coverage is left before installation to reduce spalling and cracking of surrounding concrete caused by expansion pressure of the waterstop. When it comes to lightweight, low strength and insufficient concrete with low compressive strength less than 3500 psi, please increase the coverage.
Before the second pour of concrete, check the waterstop for premature swell, discontinuity and debris contamination. If so, immediately replace it with a new one.
Concrete nails are acceptable to fix the butyl waterstop if necessary.
