Diolen epoxy lamination is first to fail in peel test

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Diolen epoxy lamination is first to fail in peel test

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Rosta Spicl	Rosta Spicl posted 3 Years Ago HOT Post Details
Group: Forum Members Posts: 54, Visits: 250	+x Hanaldo - 5/27/2021 5:18:59 AM Yes, exactely... For very porous material, just like a wood, better don't use cyanoacrylate/acrylic hybrid universal bonder. The cyanoacrylate substrate is suck by a porous surface very quickly... If the strip is 2x4m be carefull about the curing time, all the mentioned glues are relatively fast curing...3-10min...and all the procedure has to be very very fast... For example epoxy based Loctite 9466 has a working time cca 60min, Acralock SA 10-05 cca 10min, Loctite HY4070 cca 2-3min...
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Hanaldo	Hanaldo posted 3 Years Ago HOT Post Details
Group: Forum Members Posts: 2.5K, Visits: 28K	Yeh don't get too overwhelmed by your choice of adhesive, at the end of the day any synthetic paste adhesive is going to be significantly stronger than the wood so you don't need to be too concerned about whether to go with an epoxy or an MMA or a polyurethane etc. Just pick one that is easy for you to get and cures at room temperature etc.
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The Mould Destroyer	The Mould Destroyer posted 3 Years Ago HOT Post Details
Group: Forum Members Posts: 21, Visits: 332	+x Hanaldo - 5/25/2021 11:28:29 PM He means rather than bonding to the peel ply surface on the laminate, sand the laminate with 80 or 120 grit paper quite harshly until just before you hit the Diolen. Thanks! I'ts a 2x 4 meters strip so its not practical for the current parts im building I switched to Kwik Kick and peel test came out great with the wood failing at a much higher peel force, with no heat, and a few hours set time to flip projects faster! Now I have to figure out the best glue / adhesive / secondary bonding agent There are so many options that I am so lost, and someone here mantined MMA and other stuff which threw me off even further Edited 3 Years Ago by The Mould Destroyer
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Warren (Staff)	Warren (Staff) posted 3 Years Ago HOT Post Details
Group: Administrators Posts: 2.5K, Visits: 8K	Exactly Hanaldo, It might make a bit of a difference. Warren Penalver Easy Composites / Carbon Mods - Technical Support Assistant
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Hanaldo	Hanaldo posted 3 Years Ago HOT Post Details
Group: Forum Members Posts: 2.5K, Visits: 28K	He means rather than bonding to the peel ply surface on the laminate, sand the laminate with 80 or 120 grit paper quite harshly until just before you hit the Diolen.
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The Mould Destroyer	The Mould Destroyer posted 3 Years Ago Post Details
Group: Forum Members Posts: 21, Visits: 332	+x Warren (Staff) - 5/24/2021 12:03:50 PM I do wonder if there is any legs in testing abrading a bit deeper in your case? almost down to the fabric. Sorry, Can you elaborate a bit more? Didn't understand the sentence
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Warren (Staff)	Warren (Staff) posted 3 Years Ago Post Details
Group: Administrators Posts: 2.5K, Visits: 8K	I do wonder if there is any legs in testing abrading a bit deeper in your case? almost down to the fabric. Warren Penalver Easy Composites / Carbon Mods - Technical Support Assistant
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The Mould Destroyer	The Mould Destroyer posted 3 Years Ago HOT Post Details
Group: Forum Members Posts: 21, Visits: 332	+x Warren (Staff) - 5/20/2021 8:28:36 AM Certainly I would Agree, go for a proper structural adhesive every time for bonding applications like this as the bond strength, especially for relatively small bonding surface areas, is much stronger. If you were just bonding two large sheets together with only light structural expectations, then yes a resin over such a large surface area is probably strong enough. But for smaller areas, a dedicated structural adhesive will out perform a laminating resin. Thank you! Just to clarify - the bonding is not the issue as is the laminated epoxy separating from the fabric For bonding - I will preform a peel test on a lot of different glues to see which one will be the best
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Warren (Staff)	Warren (Staff) posted 3 Years Ago HOT Post Details
Group: Administrators Posts: 2.5K, Visits: 8K	Certainly I would Agree, go for a proper structural adhesive every time for bonding applications like this as the bond strength, especially for relatively small bonding surface areas, is much stronger. If you were just bonding two large sheets together with only light structural expectations, then yes a resin over such a large surface area is probably strong enough. But for smaller areas, a dedicated structural adhesive will out perform a laminating resin. Warren Penalver Easy Composites / Carbon Mods - Technical Support Assistant
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Rosta Spicl	Rosta Spicl posted 3 Years Ago HOT Post Details
Group: Forum Members Posts: 54, Visits: 250	I recommend don't use lamination epoxy for bonding aplications. Use Epoxy based, 2K-PUR, MMA or MMA hybrid glues...the best for all the laminates bonding. I use these for high load constructions and it works great...
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