Retaining Compounds for Industrial Applications
Kemtite Anaerobic Retaining Compounds are formulated to deliver exceptional shear strength for non-threaded cylindrical metal assemblies. This advanced anaerobic adhesive fills gaps in close-fitting parts, curing into a durable thermoset-plastic that forms a single, solid bond. Engineered to seal joints, these compounds effectively prevent leakage, corrosion, and mechanical seizure, ensuring reliable performance. Widely trusted for press-fit and slip-fit assemblies, Kemtite products provide a standard solution for enhancing durability in industrial applications.


General Purpose Retaining Compound
Kemtite RT30
Kemtite RT30 is a versatile anaerobic retaining compound ideal for bonding aluminium, steel, plated, stainless steel, and special alloy components. It provides necessary lubricity for press-fit parts and ensures an air-tight seal in cylindrical assemblies. This compound cures rapidly on all metal surfaces, replacing traditional press-fit assemblies and keyways.
Key Applications:
- Gearbox bolts
- Drive shafts
- Bearings
Advantages:
- Rapid curing for increased efficiency
- Air-tight sealing for precise assembly

High-Strength Retaining Compound
Kemtite RT38
Kemtite RT38 is a high-strength anaerobic retaining compound designed for room-temperature curing. It resists both axial and radial loads, making it ideal for demanding applications requiring robust bonding and load-bearing capabilities.
Key Applications:
- High-load cylindrical components
- Load-bearing metal assemblies
Advantages:
- Withstands heavy axial and radial stress
- Ensures consistent performance in tough environments

High-Strength Retaining Compound for Slip Fit Applications
Kemtite RT41
Kemtite RT41 is a high-viscosity anaerobic retaining compound tailored for rigid mechanical assemblies. It eliminates backlash in worn components, locks keys and splines, and ensures secure bearing placement. Ideal for rotor-to-shaft bonding in low horsepower motors, it also locks bushings and sleeves for long-lasting performance.
Key Applications:
- Rotor-to-shaft bonding
- Bearing and spline assembly
Advantages:
- Reduces wear and tear in mechanical systems
- Long-lasting reliability for critical components
High-Temperature Retaining Compound for Large Gaps
Kemtite RT67
Kemtite RT67 is engineered for large-gap cylindrical assemblies and delivers exceptional high-temperature performance. It offers solvent resistance and ensures reliability in demanding environments. Compatible with special alloy parts, this compound locks shafts and hubs, securing gears, bearings, and bushings with ease.
Key Applications:
- High-temperature environments
- Large-gap assembly components
Advantages:
- High-temperature resistance for industrial use
- Versatility across multiple metal types

Impact-Resistant Retaining Compound
Kemtite RT46
Kemtite RT46 is a quick-fixturing anaerobic retaining compound that combines flexibility and impact resistance. It excels in metal cylindrical assemblies, providing temperature and solvent resistance for demanding applications. This compound locks shafts and hubs while bonding pins, adaptors, and plugs securely for long-lasting performance.
Key Applications:
- Impact-heavy environments
- Shaft and hub assemblies
Advantages:
- Quick-fixturing for efficient assembly
- Flexible yet robust bonding


Rapid-Curing Retaining Compound for Tight Clearances
Kemtite RT48
Kemtite RT48 is a medium-viscosity, quick-curing anaerobic compound optimized for tight-clearance and slip-fit applications. Its temperature and solvent resistance make it a preferred choice for precision assemblies. The compound effectively locks shafts and hubs and bonds pins, adaptors, and bushings in aluminium, steel, and alloy parts.
Key Applications:
- Tight-clearance assemblies
- Slip-fit cylindrical components
Advantages:
- Rapid curing for faster production
- Optimized for precision metal parts
Frequently Asked Questions About Retaining Compounds
Retaining compounds are used to bond, seal, and secure cylindrical components in various industrial applications. They prevent loosening caused by vibrations, corrosion, and mechanical stress while providing a durable and strong bond.
Yes, retaining compounds are designed to fill small and large gaps in cylindrical assemblies. For instance, Kemtite RT67 is ideal for large-gap applications, while Kemtite RT48 is suited for tight-clearance bonding.
The curing time depends on the product and application. For example, Kemtite RT46 offers quick-fixturing properties, while other compounds like Kemtite RT30 cure rapidly on all metal surfaces.
Yes, products like Kemtite RT67 are specifically formulated for high-temperature resistance, making them ideal for demanding industrial environments.
Absolutely! Retaining compounds can replace traditional methods like press-fit assemblies and keyways, offering stronger and more reliable bonding in many cases.
Kemtite retaining compounds are compatible with a wide range of metals, including aluminium, steel, plated, stainless steel, and special alloys.
Consider factors such as the material type, gap size, curing speed, and environmental conditions. For guidance, consult our technical team or refer to the product datasheet (TDS).