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Proper Ratio


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miamistyle84 
Member - Posts: 8
Member spacespace
Joined: April 29, 2006
Location: United States
Posted: June 09, 2006 at 5:39 PM / IP Logged  
Whats up guys. I started on my pillar pod project about 3 days ago. I wrapped the A pillar with 2 layers of masking tape. I then started to cut fiberglass mat strips and apply them to the A pillar. I followed the instructions on the back of the resin can. The problem I have is that its still sticky. I left it out for about 2 days and it is still sticky. I dont think it cured fully. Can anyone tell me a good hardener and resin ratio. I need one for a hot batch, one that tacks up fast like within a hour and then a normal ratio witch tacks up within a couple of hours. Ill post pics next week on the project. Thanx.
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aceracer24 
Copper - Posts: 140
Copper spacespace
Joined: May 30, 2006
Location: United States
Posted: June 10, 2006 at 1:14 AM / IP Logged  
I think the proper ratio is 10-14 drops per 1 ounce. More for faster cure but you don't want it to harden to rapidly or you will have more problems. I on the other hand don't measure anything out. I have little plastic mixing cups I got from home depot for about .99 each. I've learned how much to put in and how many drops of hardener to use for a quick cure time. However, since I don't measure, if i ever need to use more resin then normal I am left guessing again the proper mixture. It takes time to figure out the proper ratio and to top it off, alot of it depends on the weather being to hot or cold. You have to adjust your mixture accordingly.
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mouglie 
Member - Posts: 23
Member spacespace
Joined: April 30, 2006
Location: United States
Posted: June 11, 2006 at 6:07 AM / IP Logged  
24 drops per 2oz... that works fine for me...
I shall never outrun my guardian angel - again.
hifihacks 
Member - Posts: 7
Member spacespace
Joined: June 23, 2006
Location: United Kingdom
Posted: June 24, 2006 at 2:58 AM / IP Logged  
In my experience if the job is still sticky after a few days, this was due to inadequate mixing of the resin. This is more important than the catalyst ratio. It is a catalyst, not a stoichiometric mix, so in theory if the catalyst is 'mobile' enough, then a very small amount should work.
I usually mix the resin with a power drill :)
Car Audio Fiberglass information

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