LOCTITE® is a globally recognized range of high-performance adhesives, threadlockers, retaining compounds, sealants and maintenance solutions designed for demanding industrial applications.
At Si Concepts, we offer a wide range of LOCTITE® products for manufacturing, engineering, automotive, maintenance, repair and industrial assembly applications. Whether you need an adhesive for bonding, a threadlocker for securing fasteners, a retaining compound for cylindrical assemblies or a sealant for preventing leaks, LOCTITE® provides specialized solutions for a wide variety of applications.

Threadlockers help secure threaded fasteners and reduce loosening caused by vibration and thermal cycling.
Popular products include:
LOCTITE® 222
LOCTITE® 242
LOCTITE® 243
LOCTITE® 262
LOCTITE® 263
LOCTITE® 270
LOCTITE® 271
LOCTITE® 272
LOCTITE® 277
LOCTITE® 290

LOCTITE® retaining compounds are designed for securing cylindrical components such as bearings, bushes, shafts, gears and rotors.
Popular products include:
LOCTITE® 603
LOCTITE® 609
LOCTITE® 620
LOCTITE® 638
LOCTITE® 641
LOCTITE® 648
LOCTITE® 680

LOCTITE® instant adhesives, commonly known as super glues or cyanoacrylate adhesives, provide fast bonding for many industrial materials.
Popular products include:
LOCTITE® 401
LOCTITE® 406
LOCTITE® 414
LOCTI
LOCTITE® 454
LOCTITE® 480
LOCTITE® 495
These adhesives are available for applications involving materials such as metals, plastics, rubber, ceramics and other substrates, depending on the specific product.

LOCTITE® sealants are designed for sealing threaded pipe connections and preventing leakage in industrial fluid and gas systems.
Popular products include:
LOCTITE® 542
LOCTITE® 577
LOCTITE® 567

LOCTITE® flange and gasketing products are used to seal mating surfaces and help prevent leakage in mechanical assemblies.
Products include solutions such as:
LOCTITE® 510
LOCTITE® 515
LOCTITE® 518
LOCTITE® 574

Choose the right LOCTITE® product according to your application:
Metal bonding adhesive
Plastic bonding adhesive
Rubber bonding adhesive
Ceramic bonding adhesive
Glass bonding adhesive
Threadlocking
Bearing and bush retaining
Shaft and cylindrical assembly
Pipe thread sealing
Flange sealing
Gasket replacement
High-temperature bonding and sealing
Industrial maintenance and repair

LOCTITE® silicone-based sealants are available for applications requiring flexible sealing, vibration resistance and resistance to environmental conditions.
Popular products include:
LOCTITE® SI 5910
LOCTITE® SI 596
LOCTITE® SI 5699

LOCTITE Putty generally refers to LOCTITE’s two-part epoxy repair compounds/putties used for rebuilding, repairing, filling, and restoring damaged metal and other surfaces.
Common LOCTITE putty products
LOCTITE EA 3471 – Steel-filled epoxy repair compound for rebuilding and repairing metal components.
LOCTITE EA 3473 – Fast-curing steel-filled epoxy for emergency metal repair and rebuilding.
LOCTITE EA 3478 – High-performance, metal-filled epoxy compound for wear-resistant repair and rebuilding.

LOCTITE® products are engineered to provide reliable performance in demanding assembly and maintenance environments. Depending on the product, LOCTITE® solutions can provide:
Strong and reliable bonding
Fast curing
Excellent vibration resistance
Thread locking and anti-loosening performance
Reliable sealing
Cylindrical retaining
Resistance to oils and industrial fluids
Temperature-resistant solutions
Reduced maintenance requirements
Improved assembly reliability

Looking for LOCTITE® adhesives, threadlockers, retaining compounds or sealants in India?
Si Concepts supplies a wide range of LOCTITE® industrial products for professional, engineering and maintenance applications.
Contact Si Concepts for product availability, technical guidance and suitable LOCTITE® solutions for your application.

Not sure which LOCTITE® product you need?
Tell us:
Materials being joined or sealed
Application type
Operating temperature
Required bond strength
Gap size
Exposure to oil, chemicals or moisture
Required curing time
Our team can help you identify a suitable LOCTITE® solution for your application.

What is LOCTITE® used for?
LOCTITE® is a range of adhesives, threadlockers, retaining compounds, sealants and other engineering products used for bonding, securing, sealing and maintaining industrial assemblies.
Which LOCTITE® is best for metal bonding?
The appropriate product depends on the metals, joint design, gap, temperature and required strength. LOCTITE® offers different solutions for structural bonding, retaining and other metal assembly applications.
Which LOCTITE® is used for threadlocking?
LOCTITE® offers different threadlockers for removable, medium-strength and high-strength applications. Products such as LOCTITE® 242, 243, 262, 263, 270 and 271 are commonly selected according to the application requirements.
Which LOCTITE® is used for retaining bearings?
LOCTITE® retaining compounds such as 603, 609, 638, 641 and 648 are designed for different cylindrical retaining applications. The correct selection depends on the assembly, clearance, temperature and required strength.
Can LOCTITE® be used for plastic and rubber?
Yes. Certain LOCTITE® instant adhesives are formulated for plastics and/or rubber. Product selection should be based on the specific substrate and application.