Main Discussion Area > Bows
Sneak peak.
Bob Barnes:
EA40 is smooth-on
Selfbowman:
Ok but I have had pop offs with it too. Maybe I need to go to a glue up class.🤠
superdav95:
On my cans of smooth on ea40 it says mixing 2 parts a to 1 part B will yield higher strength results and resistance to heat. If you prep and score the surfaces well and wipe clean with acetone it will hold. If you’ve got a heat box at your disposal then even better. Bake it for 6-8 hours at 150 degrees while keeping it clamped. Best of luck.
paulsemp:
I would use the smooth on as recommended. I would also laminate a piece or two in between your handle or build it up with multiple laminations. I've had failures in the past where the glue lines weren't very good and I figured smooth out would make it up. It is good at making stuff up but I always use too much clamp pressure trying to get it to come together and I feel like I squeezed way too much epoxy out of the joint. I think it's easier to make multiple laminations come together without excessive clamp pressure then one block to another unless they are perfectly machined flat. I've done some abrupt transitions like that and always had better luck with multiple laminations. You are putting the stress multiple glue joints instead of just one. I also only weigh out smooth on instead of trying to do a part to part. I only use the one-to-one ratio, got sick of having extra of one part. Just my two cents though
Selfbowman:
Thanks guys will do.
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