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Re: West System question


 

Glen,

West System makes a lot of different stuff but if you are thinking about basic 105 epoxy then gluing up laminations is a common application.? The advantage is that it doesn't need clamping pressure like pva glue and is completely weather proof.? The downside is it takes longer to set but is kind of controllable with different hardners and shop temp.? Plan on 24 hours.? Word to the wise, let a piece fully cure before unclamping laminations in tension.? Otherwise, you will hear little popping sounds which are not good. Don't ask me how I know.

Depending on the surface roughness of the mating pieces you may want to use a thickener like fumed silica.? Surfaces are wetted out with un-thickened epoxy then go back and slather with the thickened.? You can play with consistency like pancake batter to peanut butter.? "They" say thickener will not affect the bonding. Thickened is a much easier material to wok with than the liquid form.? You probably know by now most tools become sacrificial although acetone can remove some uncured sticky stuff. Of course read the lit and talk to the dealers.? There are a ton of youtube videos out there.? Cedar strip canoes and kayaks have several smaller formed laminated parts like stems and seats.

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