alternatives to Sika activaors/ primers?

TactilePaul

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18 May 2017
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we are bonding aluminium to GRP with sikaflex 295UV.. its only a small window , i am reluctant to spend £150 for 3 products !! could anyone please advise me on what exactly these products do and how I may acheive 90% as good a soloution with 'to hand' products.. thanks..
I know that Abromast is the preffered product here, but it has failed us several simes due to curve mismatch and possibly thermal expansion, we have spent many hours researching and feel that 295UV is the possible soloution?..

thanks.
 
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