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interprotect 2000 not curing??

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Category: Repair & Maintenance
Forum Name: Antifouling
Forum Description: Looking for antifouling advice post here
Printed Date: 20 Jan 2018 at 3:13am

Topic: interprotect 2000 not curing??
Posted By: steve
Subject: interprotect 2000 not curing??
Date Posted: 22 Jan 2017 at 3:19pm
I am repairing a rudder on a 27 foot sail boat and have applied interprotect 2000 over the new glass repair.....I have mixed and prepared the product as instructed and waited  the necessary time between coats [4]  The product went on easily  and looks is not tacky , sticky or saggy , but it is  I can put my finger nail in it .

This is after 3 a heated building @ 55 deg F with @ 50 % humidity ......Should I give this more time to
"cure".............or remove it and start again.

Thanks ...Steve.

Posted By: BoatNut
Date Posted: 23 Jan 2017 at 12:46am
Assuming your mix ratio is right (3:1), assuming you mixed thoroughly, assuming you gave the mixed material about 30 minutes in the pot to induct before applying and assuming if you thinned the material you used the proper thinner (2316N) then . . .

I would suggest applying some localized heat to the rudder, get it to 80°F or so for 4-5 hours.  This will finish off the reaction and you may also have some solvent entrapment that needs to vape out.  After allowing it to normalize to ambient temp wipe the rudder down with an ammonia/water solution then evaluate.

Posted By: steve
Date Posted: 23 Jan 2017 at 5:26pm
....I believe I did everything correctly ....I have used the product before with good results

.....I will get some heat on it and let you know......Thanks for the response and advice....Steve

Posted By: steve
Date Posted: 26 Jan 2017 at 4:21pm
Boatnut.....the heat made a huge plan now is to apply one more coat of interprotect and then micron you have any advice before I proceed.....Thanks...Steve

Posted By: BoatNut
Date Posted: 26 Jan 2017 at 9:07pm
You likely have enough epoxy on there now.  I'd give it a thorough light sanding and apply your bottom paint.

Posted By: steve
Date Posted: 26 Jan 2017 at 10:05pm
thanks for all your advice...Steve

Posted By: BoatNut
Date Posted: 26 Jan 2017 at 11:42pm
glad to help

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