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smooth-on

Started by ptberger, February 26, 2026, 07:44:22 PM

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Stagmitis, Bowjunkie, Lehtis, Jeff tech, Bob T., kennym, Crooked Stic, Camp Creek, OldRawhide42, jess stuart and 3 Guests are viewing this topic.

ptberger

I've used EA-40 in a 1:1 ratio in the few bows I've made. Several of those are still operating wonderfully after 20 years. The 2A:1B ratio states it has better heat resistance (not a concern I don't think) and improved properties. Are the improvements applicable to bow performance and for those of you who have used 2:1, is the difference noticeable? Or is it a case of "better" must be better?

Crooked Stic

The thing about smooth on at least 1-1. Never more hardiner than resin. I always use little more resin. And my hotbox usually gets to 130. Have had only two bows in 20 + year delam. Pretty sure one was a dry fire.
High on Archery.

Kirkll

I mix mine closer to 2:1 resin to hardener, and pretty much just eyeball it. With too much hardener it's got a yellow tone to it and the viscosity is thinner. When it's 2:1 or close to it, it mixes up white in color and lays down much nicer with a putty knife. I always spread both surfaces in an even thin coat before going in the form.

Another little trick I use is putting both parts in a paper cup, and pop it in a microwave for 10-15 seconds before mixing it. It mixes much better when it's warm and spreads easily with a putty knife.

I've had really good luck with smooth on over the years with very few issues. But I've never mixed mine 1:1 so I can't compare strength quality.
Big Foot Bows
Traditional Archery
bigfootbows@gmail.com
http://bigfootbows.com/b/bows/


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