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laminating horn

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stuckinthemud:
When sized, final coat is 30 percent then clamp?

bownarra:
Yes that is correct.
When the sizing is complete let the parts dry thoroughly for a day. When ready to do the actual glue--up heat the parts to around 40/50 deg. The heat will soften the horn and give you a lot more working time.
Good luck :)
I did my horn glue-up today of a Turkish bow. I made use of the sun in my greenhouse, ambient temp of 40 degs meant I had plenty of time to get it clamped up. Much easier than fighting the cold in my workshop.

stuckinthemud:
Is there a danger of dust contamination if you leave them 24 hours before glue-up?

bownarra:
The glue will be dry to touch after an hour or so. Once dry they can be brushed off.

BowEd:
If your worried about dust I lightly covered my sized limbs with saran wrap before,but found it unnecesary if stored in a quiet area and left to dry a day or so.Glueing up within a week though.Oxidation can occur too.Still lightly sanding for freshness and brushing off dust before applying sinew or glueing core to horn.I wear cotton gloves through all this process while washing hands with dish soap before hand also.
Lightly sanding inbetween sizing and brushing off is a good idea too for smoothness reasons.It's important to pay attention to details.

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