11/18/2021
If the choice between threadlockers has left you confused, this post might be what you've been looking for!
Let's dive into the key differences between Loctite red and blue threadlockers!
Loctite threadlockers are primarily designed to prevent fasteners from leaking or loosening from vibration. The difference between red and blue threadlockers is a matter of strength and removability. Blue threadlockers are designed to be easily replaced with common tools, whereas red threadlockers are a more permanent fix.
For a hold that can be easily removed, Loctite Threadlocker Blue 243 is the hero. It’s perfect for motorized and nonmotorized parts that need occasional servicing, like car parts (oil pans, water pumps, etc), or even motorized yard equipment, bicycles, furniture and much more.
For parts that need a more permanent hold, like structural bolts in a home, auto suspensions and frames, or any other heavy machinery, Loctite Threadlocker Red 263 is the answer. This industrial grade threadlocker packs a stronger punch than the blue and can only be removed by heating the parts to 500F.
HOW DO I USE A LOCTITE THREADLOCKER?
The application technique is the same for both red and blue Loctite threadlockers. Here's how it's done.
First, make sure nuts and bolts are clean and free from oil or dirt. Both surfaces must be clean to develop the full bonding strength. Next, apply a few drops of Loctite threadlocker on the bolt, where the nut engagement area will be. There is no need to apply the threadlocker all the way around the bolt, as the product will spread as you twist the nut into place, forming the seal. Now, simply twist the nut to the desired point and allow cure to be achieved (Full cure in 24 hours).
WHAT ABOUT REMOVING LOCTITE THREADLOCKERS?
The technique for removing Loctite threadlockers varies depending on the type you’re working with. For blue Loctite threadlockers, simply remove the nut and bolt with normal tools.
Red Loctite threadlockers are formulated to be high strength and require localized heat to weaken the bond. Here’s how it’s done.
Wearing safety glasses and heat-resistant gloves, heat the fastener with a blow torch for 2-3 minutes, moving the torch around to heat all sides. Next, turn the blowtorch off, and lastly, remove the nut with a hand wrench.
Looking for more information? Check out our website, give us a call, or drop by! We're here to help find the best adhesive solution for your application!
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