Epoxy is 1/2 gell
12-06-2006, 05:12 PM
#26
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RE: Epoxy is 1/2 gell
ORIGINAL: Bipe Flyer
I told some guys in our club that this is what happens when you store your CA and kicker close to each other (one guy stores both in the same box), but they laughed at me.
Great post. Very valuable verbosity.
I told some guys in our club that this is what happens when you store your CA and kicker close to each other (one guy stores both in the same box), but they laughed at me.
Great post. Very valuable verbosity.
12-06-2006, 05:16 PM
#27
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RE: Epoxy is 1/2 gell
ORIGINAL: MJD
Epoxy resin data sheets often list a parameter known as peak exotherm temperature; this parameter is standardized via a specified mass of mixed adhesive and a particular curative - IIRC the parameters 500 grams of mixed material using DETA (diethylene triamine) curative; it's been a while since I dealt with this.
Epoxy resin data sheets often list a parameter known as peak exotherm temperature; this parameter is standardized via a specified mass of mixed adhesive and a particular curative - IIRC the parameters 500 grams of mixed material using DETA (diethylene triamine) curative; it's been a while since I dealt with this.
12-07-2006, 01:53 PM
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RE: Epoxy is 1/2 gell
MJD;
"Go buy some new stuff."
O.K. then, THATS what you are saying! LOL!!
Thanks for the data, I'll give the stuff I have here a test to see how well it still works, if it shows major signs of age it will get replaced.
Very much in the know there, MJD.
Thanks!
"Go buy some new stuff."
O.K. then, THATS what you are saying! LOL!!
Thanks for the data, I'll give the stuff I have here a test to see how well it still works, if it shows major signs of age it will get replaced.
Very much in the know there, MJD.
Thanks!
12-07-2006, 03:18 PM
#29
RE: Epoxy is 1/2 gell
Jeez...a couple months ago I threw out a full bottle of Tower 30 min. (I think it was the resin...musta been, right? )
It had never been opened...still had the red cap-plug in the top of the bottle.
It got hard and turned a whitish color.
Shucks!
I recently found some Devcon 5 minute that's 20+ years old (hiding under my bench ) and still looks o.k. but I don't think I'd use it on anything important.
It had never been opened...still had the red cap-plug in the top of the bottle.
It got hard and turned a whitish color.
Shucks!
I recently found some Devcon 5 minute that's 20+ years old (hiding under my bench ) and still looks o.k. but I don't think I'd use it on anything important.
12-07-2006, 05:10 PM
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RE: Epoxy is 1/2 gell
ORIGINAL: proptop
Jeez...a couple months ago I threw out a full bottle of Tower 30 min. (I think it was the resin...musta been, right? )
It had never been opened...still had the red cap-plug in the top of the bottle.
It got hard and turned a whitish color.
Shucks!
I recently found some Devcon 5 minute that's 20+ years old (hiding under my bench ) and still looks o.k. but I don't think I'd use it on anything important.
Jeez...a couple months ago I threw out a full bottle of Tower 30 min. (I think it was the resin...musta been, right? )
It had never been opened...still had the red cap-plug in the top of the bottle.
It got hard and turned a whitish color.
Shucks!
I recently found some Devcon 5 minute that's 20+ years old (hiding under my bench ) and still looks o.k. but I don't think I'd use it on anything important.
Would you use Devcon 5 minute on anything important anyway?...
Just kidding, of course. Actually, if it looks the same as it once did, and the viscosity seems right, it's probably okay. Test some for S&G*, you might be surprised.MJD
* rhymes with "kits and wiggles"
12-08-2006, 01:50 AM
#31
RE: Epoxy is 1/2 gell
"Kits & Wiggles"
I used to use a LOT of 5 minute epoxy...after I "discovered" it in the mid 70's.
Before that I used Hobby Poxy (I think it was 1? with the 2:1 ratio? ) and that took a couple of hours to really set-up good.
That was a LONG time for a 14-15 year old!
Funny story...
One night, at our club meeting, an older member (great builder! ) and I were checking out this FNG's* plane...
Len (the older guy ) sez "his glues are all soft!"
Later...I go over to the new guys house to help him build his 2nd plane...
I squeeze out some 5 min. from the double syringe and start mixing it...
He looks at me funny and sez "you're supposed to MIX it?!"
*Freekin' New Guy
Edit: I liked the explanation of how epoxy "works" too BTW...thanks [8D]
I used to use a LOT of 5 minute epoxy...after I "discovered" it in the mid 70's.
Before that I used Hobby Poxy (I think it was 1? with the 2:1 ratio? ) and that took a couple of hours to really set-up good.
That was a LONG time for a 14-15 year old!
Funny story...
One night, at our club meeting, an older member (great builder! ) and I were checking out this FNG's* plane...
Len (the older guy ) sez "his glues are all soft!"
Later...I go over to the new guys house to help him build his 2nd plane...
I squeeze out some 5 min. from the double syringe and start mixing it...
He looks at me funny and sez "you're supposed to MIX it?!"
*Freekin' New Guy
Edit: I liked the explanation of how epoxy "works" too BTW...thanks [8D]
