Tech-Bond Solutions
"When performance is a must!"

Molecular Bonding
Molecular bonding is the latest advancement in "glue" solutions .  With most materials a molecular bond means that, chemically, a covalent bond is created between the surfaces being joined.  A covalent bond exists when a pair of electrons is shared by the protons of two adjacent atoms.  A molecular bond provides a stronger, more durable result than gluing two pieces together.      

When working with polymers and other space age substances, i.e., nylons, silicons and UHMW's, Tech-Bond Bonding Agents act as a monomer that bonds the polymers of each surface together.  In order to effectively bond these polymers, an adhesion promoter (Tech-Bond's Poly Prep™) is required.  (see below)

Because of its performance advantages, Molecular Bonding is being used by many industries; aerospace, automotive, health care, etc., as a more efficient methodology for joining two surfaces
together.   You will also find molecular bonding to be a quicker, easier and a more efficient solution for your problem(s).  If you have any questions, or want more information, please call 877 565 7225.

Bonding Hints and Tips

Copyright (c) 2010. Tech-Bond Solutions

These hints and tips are copyrighted because they have been developed from experience, work well and often contradict conventional wisdom.

Metal to Metal Repairs
For metals that oxidize, such as; aluminum, brass, copper, etc., you will need to use steel wool or sandpaper to rough the surface down to bare, shiny metal .  In all cases, the "cleaner" the metal, the better the bond.  Apply the bonding agent so that both surfaces are completely covered and either press, or spray the Activator/Accelerator to set the bond.


Glass does not have any pores.  Therefore there is nothing for Tech-Bond's technology to "grab" onto.  Tech-Bond™ will work as well as most CA's, but will not do glass permanently. 

 To prevent Degradation from weather in high stress areas
When Tech-Bond™ bonds will be exposed to a significant amount of weather, use sufficient Tech-Bond™ Bonding Agent to create a shininess all the way around the bond line.  

Extra Strength 
Any time additional strength is needed, rough the surfaces and then, after the join is made, apply the bonding agent along the seam of the join, spray with Tech-Bond’s Activator/Accelerator and
let the bond cure for 24 hours.  
Additional strength can also be achieved by using Tech-Bond’s Filler, a Silica Sand compound, to coat the join, building surface area, thereby increasing bond strength. If you want to go beyond even that level of strength, you can wrap cotton cloth, cord or tape around the join and apply Tech-Bond™ Bonding Agent over the cotton (spray A/A) to achieve an increase in strength.

Bonding the difficult butt joints
Frequently there are car parts that need to be repaired where there is not sufficient surface area to attain the needed strength.  When that situation occurs, utilization of Tech-Bond™ Filler in the following manner will create operational strength in those repairs, even with repairs involving the poly-plastics, i.e., the plastics fenders, shrouds, etc. 

The Poly Prep must be used as a Primer on the poly-plastics and the surface of the plastic must be roughed with sand paper or steel wool before bonding.




Performance Advantages of Molecular Bonding. 

1) Durability
One of the many problems with glues and epoxies is that they degrade over time.  Covalent bonds created by molecular bonders do not degrade nearly as rapidly.  Molecular bonding provides the lasting performance desired by professionals.
2) Strength
Super glues have good tensile strength, but often have poor shear strength.  Molecular bonding provides exceptional tensile AND shear strength.

3) Flexibility
Glues and epoxies do not perform well when used on materials that flex.  Glue joint become are brittle and crack when flexed.  A molecular bond takes on the characteristics of the material being bonded.  If that material is flexible, the bond will be flexible.

Bonding UHMW's [Teflon(R) and Delrin(R)], nylons, silicons and the Polyolefins (polyethylene, polypropylene and polyurethane)

With Polyolefin plastics, UHMW type materials (Teflon®, Delrin®),  nylons and silicons  use the Poly Prep to achieve lasting bonds.  When substantial strength is needed, rough the surface with steel wool or fine grit sandpaper, then spray or brush the Poly Prep on all area(s) of the surface to be joined.  Let the Poly Prep dry and wait five to 15 minutes (as indicated below) for plastic to cure.

Polyolefins - 5 minutes
UHMW's - 10 minutes
Nylon's - 10 minutes
Silicones - 15 minutes

When both surfaces have cured, apply a Bonding Agent to one surface and gently spread the Bonding Agent so that both surfaces become coated.  Pressing the surfaces together will cause a slight bleed out at the bond line.  Spray this bleed out with A/A if necessary.  (Please test the A/A on the surface first to make sure that the surface finish will not be damaged.)

 Let these bonds set for 24 hours before applying stress.

*May also need the Poly Prep to generate bonds with certain oily woods (ebon, etc), oily rubbers and/or ABS.

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