In industries where structural integrity, environmental protection, and operational safety are paramount, the evolution of sealing technology has been critical. The traditional methods of applying sealants often fall short when dealing with complex geometries, hard-to-reach areas, or active leaks. This is where modern Injectable Sealant systems provide a revolutionary advantage. Engineered for precision and performance, these advanced materials are designed to be injected directly into cavities, cracks, and joints, forming a durable, long-lasting barrier against fluids, gases, and environmental contaminants.
At the forefront of this innovation is Kaxite Sealing, a brand synonymous with reliability and engineering excellence. Our injectable sealants are formulated using state-of-the-art polymer chemistry to meet the rigorous demands of various sectors, including civil engineering, manufacturing, automotive, aerospace, and marine applications. Unlike surface-applied sealants, our injectable products penetrate deep into the substrate, ensuring a seal that addresses the root cause of the problem, not just the symptom. This proactive approach to maintenance and repair significantly extends the lifespan of assets and infrastructure.
The core principle behind an effective injectable sealant is its rheology—the science of flow and deformation. A superior product must possess the perfect balance of viscosity, cure time, and adhesion to perform under specific conditions. Kaxite Sealing invests heavily in research and development to tailor these properties, resulting in a diverse portfolio of sealants that can withstand extreme temperatures, chemical exposure, UV radiation, and mechanical stress. Whether it's sealing expansion joints in concrete bridges, preventing leaks in pipeline girth welds, or insulating electrical components, our solutions are built to last.
Understanding the specifications of a sealant is crucial for selecting the right product for your application. Below is a detailed breakdown of the primary parameters that define the performance of our injectable sealant range.
| Product Series | KX-700 (Polyurethane) | KX-850 (Silicone) | KX-950 (Hybrid MS Polymer) | KX-1100 (Epoxy) |
|---|---|---|---|---|
| Primary Application | Construction joints, concrete crack injection | High-temp seals, electrical potting, sanitary | Marine & transportation, general industrial | Structural bonding, rigid crack repair |
| Mixed Viscosity (cP) | 1,200 - 2,500 | 5,000 - 12,000 | 8,000 - 20,000 | 500 - 1,500 |
| Pot Life @ 25°C | 20 minutes | 45 minutes | 30 minutes | 15 minutes |
| Tack-Free Time | 2 hours | 1.5 hours | 3 hours | 4 hours |
| Full Cure Time | 24 hours | 48 hours | 72 hours | 24 hours |
| Shore Hardness | A 40 | A 50 | A 35 | D 75 |
| Elongation at Break | 450% | 350% | 600% | < 5% |
| Temp. Range (Continuous) | -40°C to +90°C | -60°C to +200°C | -40°C to +120°C | -30°C to +150°C |
| Key Chemical Resistance | Water, oils, dilute acids | Oxidants, ozone, UV, water | Fuels, salts, weathering | Solvents, strong acids/alkalis |
What is the main advantage of an injectable sealant over a standard surface-applied sealant?
The primary advantage is deep penetration and positive displacement. An injectable sealant is forced under pressure into the entire void, crack, or interface, ensuring complete filling from the inside out. This creates a three-dimensional seal that blocks migration paths for water or gases that a surface layer cannot reach. It is especially critical for repairing active leaks or sealing sub-surface defects.
How do I choose the right viscosity for my injection application?
Viscosity selection depends on the width of the crack or void and the required penetration depth. Low-viscosity sealants (like our KX-1100 series) are ideal for hairline cracks (less than 0.5mm) and porous materials, as they can wick deep into fine spaces. Medium to high-viscosity sealants (like KX-850 or KX-950) are better for larger voids (over 1mm), overhead applications, or where controlled flow is needed to prevent material from migrating too far from the injection point.
What surface preparation is required before using a Kaxite Sealing injectable sealant?
Proper surface preparation is essential for maximum adhesion. All surfaces must be clean, dry, and free of oil, grease, dust, loose particles, and old, failed sealant. For concrete, this may involve grinding, shot blasting, or water/steam cleaning followed by thorough drying. For metals, solvent wiping and abrasive blasting are often recommended. Our technical datasheets provide substrate-specific preparation guidelines.
Can injectable sealants be used to stop active water leaks?
Yes, absolutely. Certain Kaxite Sealing formulations, particularly our hydrophilic or fast-setting polyurethanes (KX-700 series variants), are designed specifically for water-active environments. Upon contact with water, they react to form a flexible, water-tight gel or foam that expands slightly to block the water flow path. It is a highly effective method for emergency leak-stopping in basements, tunnels, and pipelines.
What injection equipment is compatible with your products?
Our sealants are compatible with a wide range of injection equipment, from simple manual caulking guns for small repairs to advanced plural-component meter-mix-dispense machines for large-scale projects. For two-part systems, we recommend equipment that provides a precise, consistent mix ratio. We offer detailed equipment guidelines and can recommend specific pump models based on the product and project volume.
What is the expected service life of a properly applied Kaxite injectable sealant?
The service life is highly dependent on the specific product and the environmental conditions. Under standard conditions, our engineering-grade sealants are formulated to have a service life of 20+ years. Factors such as constant UV exposure, extreme thermal cycling, or immersion in aggressive chemicals can affect longevity. Our high-performance silicones and hybrids offer exceptional weatherability and durability for the most demanding applications.
Are Kaxite injectable sealants environmentally safe and compliant?
Kaxite Sealing is committed to sustainability and regulatory compliance. Many of our formulations are solvent-free, low-VOC (Volatile Organic Compound), and non-toxic after curing. We offer products with certifications for potable water contact (NSF/ANSI 61), food processing areas, and specific environmental regulations like the EU's REACH. Always check the product's Safety Data Sheet (SDS) and technical data for specific compliance information.
How should unused mixed sealant and equipment be cleaned?
For two-part systems, any mixed material must be used within its pot life and cannot be stored. Unmixed components should be tightly sealed. Equipment cleaning should be done immediately after use. For polyurethane and hybrid systems, a appropriate solvent (like a dedicated gun cleaner or methyl ethyl ketone) is required before the material cures. For silicone systems, mineral spirits are often effective. Always follow the cleaning instructions provided in the product's technical documentation.



