Gluing and product id

Shoe sole product determines which glue to use

If in doubt use Clear Glue.

EVA

Soft, like the mid sole of a running shoe. Unlikely to be stitched thru the sides. Easily confused with PU Foam.

Generally in NZ. EVA Caster is the firmer better quality product. EVA Asian is the softer poorer quality product. But you can get good a nd bad soft or hard.

Primer EVA 6 needed if using Clear glue esp. on Asian EVA. Allow to dry min 5min.

ORTEC or Clear 1-2 coats. Depending on how strong it needs to be. For example slipper vs MX boot sole. If all the glue soaks in, add a second coat.

Leather/Suede

Fibourous.

Yellow or clear glue. 2 Coats. 1 coat fine on heels.

Leather reconstituted

Like chip board but its little bits of leather. Often used as rand/edging.

Clear glue. 2 coats.

Microcellular Rubber

Soft rubber with air in it. Sort of softish. Dry powdery when ground.

Yellow or clear. 1 coat.

Plastic Rand

Hard, try it with your finger nail.

Clear glue. 1 coat

Polypropylene

Really really hard, shinny.

Yellow or Clear glue seam to stick OK on these insoles. 1 coat.

If its a heel block both seam to work OK.

If its a midsole on a platform shoe, try to leave the leather covering ... otherwise might have issues gluing.

Polyurethane Foam PU

Light weight. Has the odd few little air bubbles on the outside.

Melts when rotten otherwise powdery.

Often Circles inside at heel.

Commonly used in moulded soles. Can be stiff or flexible.

Clear glue. 1-2 coats.

PVC/Vinyl

Chlorine smell when ground. Smeary/moist look. Often Squares inside at heel. Kinda melts as you grind it.

Clear glue. 1- 2 Coats

Rubber

Powdery when ground, think car tyre.

Yellow or Clear. 1 coat

Sidi Soles - MX

Solid rubber with additives

TPR Primer-Yellow Bottle. Leave Primer 5 minutes

Clear glue. 2 coats.

Wood

Splinters, grain, firewood. Not flexible.

Yellow or Clear. 1-2 coats.

Unit Sole - Micro

Dress unit, power unit.

Primer EVA 6 needed if using clear glue.

Yellow or clear. 1-2 coats.

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