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Boat Forum / Building / September 2005Mixing differant Resin Manufactures
I just got the resin delivered for my first boat. I got a 1.5 gallon kit, and was wondering, if I run short, can I get a pint kit from a differant supplier and have them bond to each other okay? Obviously I would not mix one companies part A, with another companies part B, but say I use up all the 1.5 gallons I have, and want another coat on the bottom or something. Can I get a pint kit from a differant supplier and expect it to work okay? thanks, dave email: dallyn_spam at yahoo dot com please respond in this NG so others can share your wisdom as well! Yes. [Usual precautions about what you should do for secondary bonds- cleaning and sanding] > I just got the resin delivered for my first boat. I got a 1.5 gallon > kit, and was wondering, if I run short, can I get a pint kit from a [quoted text clipped - 11 lines] > please respond in this NG so others > can share your wisdom as well! How can someone determine what kind of resin has been used if rework etc is necessary? > Yes. > [Usual precautions about what you should do for secondary bonds- cleaning [quoted text clipped - 14 lines] >> please respond in this NG so others >> can share your wisdom as well! The smell. Polyester resin will always smell 'plastic like' when even slightly abraded. Epoxy doesn't. MW How can someone determine what kind of resin has been used if rework etc is necessary? > I just got the resin delivered for my first boat. I got a 1.5 gallon > kit, and was wondering, if I run short, can I get a pint kit from a [quoted text clipped - 11 lines] > please respond in this NG so others > can share your wisdom as well! With epoxy, uh, no unless you are particularly lucky. Different resin suppliers make resins with different chemistry. You'd be lucky to have them harden. Evan Gatehouse >> I just got the resin delivered for my first boat. I got a 1.5 gallon >> kit, and was wondering, if I run short, can I get a pint kit from a [quoted text clipped - 3 lines] >> bottom or something. Can I get a pint kit from a differant supplier >> and expect it to work okay? >With epoxy, uh, no unless you are particularly lucky. >Different resin suppliers make resins with different >chemistry. You'd be lucky to have them harden. > >Evan Gatehouse Even if I use the correct hardner? Example: I use 1.5 Gal kit from Raka. I run out, and so order a pint kit from system-3. I use the S3 resin with the S3 hardner. will it bond okay to the Raka resin, that was mixed with the Raka hardner? email: dallyn_spam at yahoo dot com please respond in this NG so others can share your wisdom as well! Yes, if applied over completely cured resin, and if the base is properely prepped by washing off the wax, then sanding. > >> I just got the resin delivered for my first boat. I got a 1.5 gallon > >> kit, and was wondering, if I run short, can I get a pint kit from a [quoted text clipped - 19 lines] > please respond in this NG so others > can share your wisdom as well! "Dave Allyn" <dallyn_spam@yahoo.com> wrote> Even if I use the correct hardner? > Example: I use 1.5 Gal kit from Raka. I run out, and so order a pint > kit from system-3. I use the S3 resin with the S3 hardner. will it > bond okay to the Raka resin, that was mixed with the Raka hardner? I believe the answer would be "kinda, sorta". If the original layer is cured, clean and lightly sanded the new epoxy will bond very well but I would not do it on highly stressed parts. Flexibility of the cured resin varies considerably. I have found Raka to be a bit brittle compared to System3 and bulk brands like FGCI's laminating resin to be considerably more flexible. If all the coats don't yield at the same rate the ultimate strength will suffer..  SignatureGlenn Ashmore I'm building a 45' cutter in strip/composite. Watch my progress (or lack there of) at: http://www.rutuonline.com Shameless Commercial Division: http://www.spade-anchor-us.com I used West hardener with resin from Glen-L (and vice versa) with no problems. I have 40 year old boat I am repairing. Are you proposing that I must determine the original resin manufacturer in order to facilitate my repair? That's preposterous! >I just got the resin delivered for my first boat. I got a 1.5 gallon > kit, and was wondering, if I run short, can I get a pint kit from a [quoted text clipped - 11 lines] > please respond in this NG so others > can share your wisdom as well! |
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