Adhesives

					Hot Melt Glue
1 Loctite 243	2 Loctite 416		3 Wood Glue	4	5 Hot melt glue
Set time ~ 2 hours	Set time - 50 - 60 seconds		Set time ~ 1 hour (can vary widely, see back of bottle)		Set time - 30 seconds
Gap filling capability - 0.15mm	Gap filling capability - 0.008 in.		Gap filling capability ~ 0.01 in.		Gap filling capability ~ 0.1 in.
Breakloose torque on M10 steel nut & bolt - 210 in-lb	Approximate tensile strength 2500 psi				Melting temperature ~ 300° F
Dimethacrylate ester	Ethyl cyanoacrylate
	Cured material	Typical Shear strength Range
	Grit blasted steel	2600 - 3800 psi
	Etched aluminum	1600 -2800 psi
	ABS	900 - 2900 psi
	PVC	900 - 2900 psi
	Polycarbonate	700 -2900 psi
	Tensile strength
	Grit blasted steel	1700 - 3600 psi
	Buna-N rubber	700 - 2200 psi

Tips:

1 Loctite 243:

Threadlocker should be used whenever the bolted joint in question is subject to reversing loads, vibrating loads or has the potential to loosen due to relative motion of the parts it is clamping.

You should only use threadlocker when you are near completion of your machine or a complete subsystem as it makes it much more difficult to remove the fasteners with the threadlocker cured.

To correctly apply threadlocker, make sure both the nut and bolt are free of grease, oil and any other contaminants, then put a small dab on the nut and tighten the joint. Do not stress the joint for at least one hour.

2 Loctite 416:

This is a thick cyanoacrylate glue, or "superglue." It will stick to your skin very permanently. This glue cures very hard, but somewhat brittle. It is probably the best thing in the kit for gluing metal and plastic, but is not nearly as good as a solid mechanical connection or one made with glue formulated for a specific plastic.

This looks like the best glue to bolster press fits between the black plastic flanges and wheels, for example.

This glue cures according to its exposed surface area-- be careful when using on cloth or other very porous material, as it may cure fast enough to get hot, or produce very eye-irritating fumes.

3 Wood Glue:

Wood glue is really only effective for bonding wood products to other wood products. Therefore, wood glue should really only be used to bond basswood to basswood.

Laminating two or more wood boards together is a very common practice in woodworking. You can bond multiple strips together using clamps to keep pressure on the joints for at least an hour. Once the glue has dried, you can cut or drill through the parts almost as if they were a single large block of wood. (Just don't cut or drill directly on one of the joints.)

4 Assorted Glues in Cans

Includes 3M 77 or similar spray adhesive, Loctite cleaner, Loctite epoxy(?), etc. The spray glue is the best thing for sticking paper drawings onto sheetmetal as a guide for shearing, notching, punching and bending.

5 Hot Melt Glue:

Hot melt glue is a low strength adhesive that bonds well to porous materials such as wood, fabric and paper products. It is not a very effective adhesive for bonding smooth plastics or metals.