Glue or Bond?

You’re making a repair, you have a choice, glue or use an adhesive that will create with bond.  A bond means that the connection occurs on a molecular level, as shown in the image below.

Bond, don't glue
Glue or Bond? Bonds connect two surfaces on the molecular level. Bonds are stronger and more durable than glue joins.

or you can use a simple glue to make your repair.

Glue or Bond?  How ordinary glues work visual
Glue or Bond? Over-the-counter glues work via stickiness>

A simple glues works much like peanut butter.  The natural stickiness of peanut butter holds the two pieces of bread together.   Most adhesives use stickiness to hold your repair or the two surfaces together.  In either case, the result is not pretty when the stickiness evaporates.

How are bonds created when using adhesives?  Through chemical reactions.  How do you know if there is a chemical reaction?  A rule-of-thumb indicator is heat.  Chemical reactions normally generate heat.  So if you get heat when making a repair or joining two surfaces, you know that you have a bond.   Note: with some joins, heat is hard to detect.

If you’re making a repair on anything but poly substrates, the kit you want is the Starter Kit, shown below.

Starter Kit, works on everything except poly's.
A starter kit is the Activator/Accelerator and a SI Structural Cyanoacrylate, In the picture SI Black and SI Blue are shown.

Note that the Starter and Basic Kits do resin plastics (toy, modeling, most household plastics) and acrylics.  A link to purchase a basic kit is given below.

For poly-plastics, polymers and co-polymers (car plastics and almost any moving vehicle plastic, kitchen plastics, electronic plastics, etc.) you need the Basic Poly Kit (pictured below)

Basic Poly KIt- SI Blue, Poly Prep, Activator/Accelerator
Basic Poly KIt- SI Blue, Poly Prep, Activator/Accelerator

A link for a video on molecular bonding appears below.

As always, if you have any questions, please call 877 565 7225.

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