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LOCTITE EA 3478 is a ferro-silicon filled, two-part epoxy repair compound used for rebuilding and resurfacing worn or damaged metal components.
It is commonly used to repair worn shafts, damaged housings, keyways, bearing seats, and pitted metal surfaces in industrial machinery. The cured material provides resistance to abrasion, corrosion, and many industrial chemicals. Due to its excellent machinability, repaired parts can be turned, drilled, or ground after curing. This makes LOCTITE EA 3478 a practical solution for reducing downtime and extending equipment life in maintenance and repair operations.
Restores worn metal parts
Reduces equipment replacement costs
Limits downtime during repairs
Allows machining to original dimensions
Provides durable surface protection
Suitable for heavy-duty maintenance work
LOCTITE EA 3478 is a two-component epoxy repair compound developed for restoring and rebuilding worn or damaged metal parts. It is a ferro-silicon filled epoxy system that cures at room temperature after mixing the resin and hardener. Once cured, it forms a hard, metal-like surface that supports machining and long-term service.
This product is specifically designed for surface repair applications where mechanical wear, corrosion, or impact damage has reduced component performance. LOCTITE EA 3478 helps restore original dimensions and tolerances, allowing parts to be reused instead of replaced. Its thick, paste-like consistency makes it suitable for building up damaged areas without running or sagging.
Epoxy repair compound technology
Two-component resin and hardener system
Ferro-silicon filled formulation
Cures to a metal-like finish
Room temperature curing
Excellent machinability after cure
Resistant to abrasion and corrosion
100% solid epoxy system
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