Best selling Sealants from Loctite
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1. Loctite 577 Pipe thread seal
Loctite 577 Pipe Thread Sealant is a high performance threadlocker specially developed for sealing threads. Containing 50ml in a convenient tube, this product offers easy application and reliable sealing performance. The paste is suitable for a wide range of applications and ensures effective sealing at temperatures from -50 °C to 150 °C. The yellow colour allows easy identification of the product. Loctite 577 is ideal for use in various industrial and trade applications where a durable and secure bond is required. Maximum temperature resistance of 150 °C. Minimum temperature resistance of -50 °C. Breakaway torque of 9 Nm for reliable connections. Suitable for R3 threads.
2. Loctite Thread sealant
Loctite Thread Sealant 542 is a highly effective sealing compound specifically designed for sealing metal threads. This product replaces traditional sealing methods such as hemp, sealing tapes, and pastes, providing a reliable solution for a variety of applications. The sealant cures in the absence of air between tight metal surfaces, ensuring 100% tightness. It is resistant to a wide range of chemicals, including gasoline, oil, and hydraulic fluids, making it ideal for use in hydraulic and pneumatic systems as well as small fasteners. Thanks to its thixotropic properties, the sealant stays in place after application, allowing for easy handling. The thread sealant is particularly useful in preventing connections from loosening on their own, even under shocks and vibrations. Before application, the threaded surface should be cleaned with a universal cleaner to achieve optimal results.
- Cures in the absence of air and ensures complete sealing
- Prevents self-loosening due to shocks and vibrations
- Thixotropic behavior reduces product migration after application
- Resistant to a variety of chemicals, including gasoline and oil
- Ideal for fine thread connections in hydraulic and pneumatic systems.
3. Loctite 55 Thread sealing thread Colour We
Loctite's Thread Sealant 55 is a versatile sealing compound specifically designed for sealing metal and plastic pipe thread connections. This product meets the requirements for use with drinking water and gas, providing an immediate sealing effect without any curing time. The thread sealant is easy to handle and allows for precise assembly, even under challenging conditions, as it works independently of ambient temperature. The practical dispenser box ensures quick and clean application, while its high resistance to heat, cold, chemicals, gas, water, and steam guarantees reliable sealing. With various approvals, including KTW-D2 for drinking water and DVGW for gas and water, this thread sealant is a safe choice for professional applications.
- Immediate sealing effect without curing time
- Resistant to heat, cold, and chemicals
- Suitable for drinking water and gas with appropriate approvals
- Easy handling with a practical dispenser box
- Adjustable installation by 45° for flexible applications.
4. Loctite Surface sealant 50 ml
Sealants replace hemp, sealing tapes, and pastes. They are resistant to gases, liquids, air, water, oils, hydrocarbons, and many chemical products. The complete surface contact ensures 100% sealing. Reversals or position adjustments during installation before curing can be made at any time using conventional tools. Sealant residues do not clog filters and valves.
5. Loctite Flange sealant
Type: Medium-strength surface sealant. For sealing gearbox flanges, engine and differential housing covers, etc. Seals immediately under low pressure. Maximum gap bridging up to 0.5 mm. Temperature range -55 °C to +150 °C. Color: orange. Complies with BS 6920.
6. Loctite 5923 Sealing compound 142270 450 ml
The Loctite 142270 MR5923 liquid sealant is a specialized sealing solution for industrial and mechanical applications where reliable sealing performance is essential. This product comes in a 450 ml container, providing enough material for multiple applications in maintenance, repair, and assembly tasks. As a liquid sealant, it creates permanent seals on threaded connections, flanges, and other mechanical joints to prevent leaks of liquids and gases in various systems. The formulation is designed to withstand pressure, vibration, and temperature fluctuations, maintaining sealing integrity over extended periods. It is suitable for use with various materials, including metals, plastics, and composites, and offers compatibility with a range of industrial components. The sealant cures to form an elastic seal that remains flexible enough to accommodate thermal expansion and mechanical movement without compromising the seal. Application is straightforward, as the liquid consistency allows for precise placement on sealing surfaces. The product is intended for use in automotive, manufacturing, plumbing, and general maintenance contexts where reliable sealing is required. Proper surface preparation, including cleaning and degreasing, is recommended before application to ensure optimal adhesion and sealing performance. The 450 ml volume provides practical coverage for multiple applications, while the packaging features controlled dispensing and storage capabilities. This product represents a continuation of Loctite's development in industrial sealing solutions, building on established formulations for mechanical fastening and sealing applications.
7. Loctite Surface sealant, 25 ml, type: 518
Semi-flexible, medium-strength surface sealing product for use on torsion-resistant cast iron, aluminium and steel flanges. Can bridge gaps of up to 0.25 mm and forms a flexible, chemical-resistant and durable seal. Joints are easy to release even after prolonged use.
8. Loctite Flange sealant medium strength 5800
Loctite flange sealant, medium strength, 50 ml
This single-component, anaerobically curing product features a clean safety data sheet for sealing torsion-resistant surfaces and flanges. It effectively seals parts exposed to high mechanical stresses in hard-to-separate connections. The sealant is temperature-resistant and highly resistant to various media, including oil and water/glycol. It provides immediate sealing action against low pressures right after installation. There are no hazard symbols, risk or safety phrases, and it contains no substances that need to be declared as carcinogenic, mutagenic, or toxic to reproduction.
9. Loctite 566 Thread sealant 135490 50 ml
LOCTITE® 566 thread sealant is a reliable solution for sealing metal pipes and fittings. It cures in contact with air between adjacent metal surfaces, providing a secure connection that prevents loosening and the formation of leaks due to shocks and vibrations. This sealant is particularly effective at preventing the ingress of water, oil, and the most common organic solvents. With a convenient 50 ml tube, it is easy to use and ideal for various applications in plumbing and heating. LOCTITE® 566 thus offers a durable and reliable seal for metal connections.
- Cures in contact with air
- Prevents leaks from vibrations
- Protects against water and oil
- Easy application in a convenient tube.
10. Loctite TEROSON SI 34 WH CR300ML EGFD
Loctite 510 surface sealing paste is a medium-solid, high-temperature resistant anaerobic sealant. It cures in the absence of air between close-fitting metal surfaces and achieves an immediate sealing effect against low pressures. This product increases the torque capacity of assembled flanges and is suitable for sealing dimensionally stable flange connections on gearboxes and engine housings. It is designed for metal flanges and has an adaptability to surface roughness and scratches of up to 0.25 mm.
Signal word: Caution
Hazard statements:
H319: Causes serious eye irritation
H335: May cause respiratory irritation
H317: May cause an allergic skin reaction.
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