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Technical Data Sheet
Vibra-Tite® 325
Low Strength Threadlocker
March 2016
Technical data contained within this document is intended for reference only
For assistance and recommendations on specifications for this product, contact ND Industries
info@ndindustries.com
3/31/2016 Page 1 of 1
Product Description
Vibra-Tite 325 is a low strength threadlocking
adhesive designed for use on metal and plastic parts.
325 is fast curing to rapidly fixture parts with full
cure being achieved within 24 hours. Fixture speed
or full cure strength can be achieved in less time with
the use of 621 Excel Accelerator. Fasteners locked
with 325 can be removed with the use of standard
tools without the use of excessive heat or other nonstandard methods.
Typical Applications
Typical applications for 325 include tamper-proofing
the heads of screws, elimination of fastener clamp
load loss due to vibration and thread locking
applications that may require removal of the fastener.
Instructions for Use
For best performance surfaces should be relatively
free of dirt and grease. 325 provides optimal
performance in properly fitting parts with relative
thin bondlines (0.05 mm) Apply 325 to the threaded
portion of the fastener assembly to be locked.
Promptly engage the coated fastener into the mating
part.
Technical Features
Technology ........................................... Cyanoacrylate
Composition .............................. Ethyl Cyanoacrylate/
Aliphatic Ester
System .........................................One-part/No mixing
Activation ..................................................... Humidity
Operating Range .................................... -55 to +85 °C
Color ........................................................... Dark Blue
Viscosity ................................. Approximately 100 cps
Target Application .......... Low-strength thread locking
on metals and plastics
Performance
Fastener
Size
Typical Torque
Strengths
Vibra-Tite 325
Low Strength
Thread Locker
2-56
Break Away, in.lb
0.577
Prevail, in.lb
0.426
4-40
Break Away, in.lb
0.922
Prevail, in.lb
0.869
6-32
Break Away, in.lb
1.35
Prevail, in.lb
1.37
8-32
Break Away, in.lb
1.69
Prevail, in.lb
1.44
10-32
Break Away, in.lb
3.29
Prevail, in.lb
3.41
⅜ x 24
Break Away, in.lb
16.0
Prevail, in.lb
18.7
Break Condition: Room temperature
Cure Conditions: 24 hours at room temperature
Substrates: Zinc plated bolts and nuts
General Information
Safe Handling and Storage
Store unused 325 in the original container in a dry
location. Be sure applicator cap is firmly sealed after
use. Optimal storage temperature is between about 2
to 10 °C
Shelf Life
One year from date of manufacture.
Note
The data are furnished for information only and are
believed to be reliable. We cannot assume
responsibility for the results obtained by others over
whose methods we have no control. It is
recommended that the product be tested in the
application for which it is to be used.
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