YURU Polyurea Waterproof Grouting Material
Polyurea Injection Grout for Flexible Waterproof Sealing
YURU Polyurea Grouting Material is designed for waterproof injection applications where flexible cured performance and crack movement accommodation are important. It can be evaluated for concrete cracks, joints and selected underground waterproofing applications based on water condition, crack movement and penetration requirements.
For severe active leakage, structural bonding or very fine injection pathways, contractors should compare the required performance with polyurethane, acrylate or epoxy grouting materials before final selection.
Flexible Sealing
For movement-prone cracks and waterproof sealing.
Technical Evaluation
TDS and sample support available for product assessment.
OEM / Bulk Supply
Private label and bulk order support for distributors.
Where Polyurea Grout May Be Considered?
Polyurea waterproof grout can be considered where flexible waterproof sealing is required. Material selection should also consider crack movement, water condition and penetration requirements.
Moving or Flexible Cracks
Suitable for selected cracks where flexible cured performance and movement accommodation are important.
Concrete Crack Sealing
Can be evaluated for waterproof crack sealing where flexible performance is required. Structural bonding needs may require another grout type.
Underground Structure Leakage
Suitable for selected underground cracks and joints depending on water condition, crack movement and required penetration.
Joints & Movement Areas
Flexible sealing performance may be useful in selected movement-prone areas, subject to joint condition and material compatibility.
How to Choose the Right Injection Grouting Material?
Different waterproofing projects require different injection grout materials. The right grout depends on crack movement, water condition, penetration requirements and the function required from the repair.
| Site Condition | Polyurea | OPU/WPU | Acrylate | Epoxy |
|---|---|---|---|---|
| Moving concrete cracks | Good candidate | Depends | Depends | Limited |
| Sudden severe active leakage | Evaluate carefully | OPU priority | Secondary | Not primary |
| Very fine pathways | Depends on viscosity | Depends | Strong candidate | Depends |
| Stable structural crack | Depends | Usually not first choice | Usually not first choice | Strong candidate |
| Need flexible cured sealing | Strong candidate | Product-dependent | Flexible gel behavior | More rigid bonding |
Polyurea grouting material is mainly considered where flexible sealing, crack movement accommodation and durable waterproof performance are required. For active flowing water, material selection should also consider reaction speed, water volume and penetration requirements.
Material selection should be confirmed using the actual TDS and project conditions. If you are unsure which grout fits your project, send YURU the crack condition, water condition and application requirements for preliminary material screening.
When Polyurea May Not Be the First Choice:
Polyurea grout should not be selected only because flexibility is required. Sudden severe active leakage may require a fast-reacting polyurethane grout, very fine pathways may benefit from an acrylate system, and stable structural crack bonding may be better served by epoxy injection. The project condition should determine the material—not the product name alone.
YURU Polyurea waterproof grouting material
Polyurea waterproof grouting is a homogeneous liquid made of high molecular polymer resin as the main agent, mixed with mineral fillers and additives. It is a grouting material that generates high molecular polymer elastomer by reacting with water. It is used to cover cracks and solve the leakage and re-leakage of structural cracks such as deformation joints, expansion joints, joints, settlement joints, etc.
We provide OEM/ODM customization to tailor the polyurea grouting material to your specific project requirements. OEM/ODM options may include packaging, labels, branding and selected performance adjustments where technically feasible and confirmed through product evaluation. This level of customization ensures that you get the perfect solution for your unique needs, setting us apart from other providers in the market.
YURU Polyurea Waterproof Grouting Material is designed for applications requiring flexible sealing, waterproofing and crack movement accommodation. Product selection should be based on crack condition, water exposure, required penetration and project performance requirements.
Polyurea Waterproof Grouting Features
High solid content and no shrinkage
Polyurea grouting waterproof material has high solid content, dense solidified body, and will not shrink after curing, ensuring the stability of volume and performance .
Aging resistance
Polyurea grouting waterproof material can still maintain stable performance under harsh environment, with strong chemical corrosion resistance .
High strength and high elasticity
Polyurea waterproof material has high tensile strength, high elongation at break, good elasticity and strong ability to adapt to structural deformation.
Convenient construction
Liquid, cold construction, whether grouting, brushing or scraping can be easily completed, single-component design improves construction efficiency and quality .
Technical Parameters
Main Ingredients | High molecular polymer resin, mineral filler, additives | ||
Application Range | Leakage in structural cracks such as deformation joints, expansion joints, joints, settlement joints, etc. | ||
Appearance | Homogeneous viscous liquid | ||
Viscosity (25°C) | 3500-6500 mPa·s | ||
Density | 1.45 g/cm³ | ||
Application Time | 15 min | ||
Surface Drying Time (23°C) | 30 min | ||
Odor | No irritating smell | ||
Construction Conditions | Recommended Application Conditions
| ||
Low Temperature Bendability | -35℃，No cracks |
Typical Applications of Polyurea Grouting Material
Polyurea grouting material can be evaluated for selected waterproof injection and crack-sealing applications where flexible cured performance and movement accommodation are important. Final material selection should also consider water condition, crack geometry, penetration requirements and structural function.
Concrete Crack Injection Repair
For selected concrete cracks where flexible waterproof sealing and movement accommodation are required.
Basement Cracks & Joints
Can be evaluated for selected basement cracks and joints according to moisture condition and crack movement.
Tunnel & Metro Crack Sealing
Suitable for selected crack and joint sealing applications where flexible cured performance is required.
Underground Structure Joints
Can be considered for movement-prone joints and selected leakage pathways in underground structures.
Water-retaining Structure Cracks
May be evaluated for selected cracks or joints after checking water pressure, movement and required repair function.
Construction & Movement Joints
Useful where flexible sealing is required, subject to joint design, movement and product compatibility.
Application alone should not determine material selection
Two projects may look similar but require different grout types. Crack movement, water flow, viscosity, penetration depth and structural requirements should be checked before confirming polyurea, polyurethane, acrylate or epoxy grout.
Factory Supply & OEM Support for Polyurea Grouting Projects
As an experienced waterproofing material manufacturer, YURU provides polyurea waterproof grouting material solutions for distributors, contractors and engineering projects worldwide. From product customization to technical support, we help global partners complete waterproofing projects with reliable material supply.
Factory Direct Manufacturing
YURU operates professional production facilities for waterproofing materials, ensuring stable quality control, consistent supply capacity and reliable delivery for overseas customers.
OEM & Private Label Service
We support customized packaging, product labels, colors and specifications according to distributor and project requirements. Private label cooperation is available for qualified partners.
Bulk Order Supply Capability
Whether for regular distribution or large waterproofing projects, YURU provides stable production capacity and professional order management to support long-term cooperation.
Technical Application Support
Our technical team provides product selection guidance, application recommendations and construction support for different waterproofing environments.
Global Export Experience
YURU supplies waterproofing materials to international markets and understands different project requirements, documentation needs and export procedures.
Quality Control & Testing
Each batch of polyurea grouting material follows strict quality inspection procedures to ensure stable performance for professional waterproofing applications.
From Material Evaluation to Bulk Order
1. Send Project Requirement
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2. Product / Material Selection
↓
3. TDS & Sample Review
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4. Trial / Confirmation
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5. Bulk Production or OEM
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6. Delivery & Technical Support
Polyurea grouting waterproof material Construction Notes
There should be no open water on the project base surface, otherwise the construction should be carried out after draining for 24 hours.
It is advisable to construct at a temperature above 5℃, the construction site should be well ventilated, and fire-fighting equipment should be placed.
After opening the barrel, it should be used up as soon as possible, and the time should not exceed 15 minutes; it should not be directly exposed to the air for a long time to prevent crusting.
After opening the lid, the unused material should be immediately covered tightly, and the remaining material should be used up as soon as possible.
Before it is actually dry, pay attention to protecting the construction site.
Polyurea grouting waterproof material is a high-performance, environmentally friendly, solvent-free new waterproof material with excellent waterproof, anti-corrosion and wear-resistant properties. It is used as a chemical grouting material to stop water leakage and repair cracks.
Frequently Asked Questions About Polyurea Waterproof Grouting Material
Find answers to common questions about polyurea injection grout selection, applications, performance and purchasing requirements.
What is polyurea grouting waterproof material?
Polyurea grouting material is an injection material used for selected waterproof sealing and crack-repair applications where flexible cured performance is required. For a detailed explanation of its material behavior and working principle, see our What Is Polyurea Grouting? guide.
What project conditions are suitable for polyurea grout?
Polyurea grout is mainly considered where flexible waterproof sealing and crack movement accommodation are important. Suitable conditions depend on crack type, water exposure, required penetration and the function of the repair. For severe active leakage, very fine pathways or structural crack bonding, polyurethane, acrylate or epoxy grout may be more appropriate.
How does polyurea grout differ from polyurethane grout?
Polyurea grout is generally selected where flexible cured sealing and movement accommodation are important, while polyurethane grout includes different systems designed for conditions such as active water stopping, expansion or wet crack injection. The better option depends on water flow, crack movement, penetration requirements and reaction behavior. For sudden severe active leakage, a suitable fast-reacting polyurethane grout such as OPU may be the first material to evaluate.
Can polyurea grout be used for active water leakage?
It may be considered for selected leakage conditions, but active water alone is not enough to determine the material. Water flow, pressure, crack geometry, required reaction speed and penetration depth should be evaluated first. For sudden severe flowing leakage, a fast-reacting polyurethane grout such as OPU may be a more suitable first option.
What technical data should buyers check before selecting polyurea grout?
Buyers should review viscosity, density, working time, curing behavior, flexibility-related properties, application conditions and any verified test data relevant to the project. The actual TDS should be used for product comparison.
What is the minimum order quantity for polyurea grout?
MOQ depends on the product specification, packaging format and whether OEM/private label customization is required. Contact YURU Waterproof with your required quantity and packaging needs for the current order requirement.
Can I request a sample before placing a bulk order?
Yes. For distributors, new markets or project-specific evaluation, sample testing can be arranged before bulk ordering. Buyers can review application behavior, curing and relevant product characteristics before confirming specifications.
You can see: How to Evaluate Waterproof Material Samples Before Bulk Orders?
Does YURU Waterproof support OEM or private label polyurea grout?
YURU supports OEM/private label cooperation for qualified distributor and bulk-order programs. Available options may include packaging, labeling, branding and selected product adjustments where technically feasible. Final customization should be confirmed according to the target market, application requirements and sample evaluation.
What information should I provide when requesting a quotation?
To receive a more accurate recommendation and quotation, provide the expected application, leakage or crack condition, required quantity, target market, packaging preference and whether OEM/private label is needed. Project photos or videos can also help with preliminary material screening.
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