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Mar 29th, 2024
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Joined: Apr 2005
Posts: 1,113 Likes: 91
Sidelock
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OP
Sidelock
Joined: Apr 2005
Posts: 1,113 Likes: 91 |
On three occasions now I have mixed up a small batch of acra-glas to repair a small forend crack. I put a dab of brown coloring in the mix to match the wood. What I get is like a hard putty; it just does not cure. What am I doing wrong? I use the 4:1 ratio of epoxy to hardener (roughly) and just a tiny bit of coloring. I've had the stuff a couple years now, but the box says it's good for 7-10. Thanks
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Joined: Jan 2002
Posts: 5,983
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 5,983 |
I always used equal parts. Does it say to use 4:1?
> Jim Legg <
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Joined: Dec 2007
Posts: 21
Boxlock
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Boxlock
Joined: Dec 2007
Posts: 21 |
eeb,
I have been using acra-glass for 20+ years for knife handles. I use the thick stuff on a one to one basis. I've never not had it set up. Sounds like your ratio is off. It lasts a long time.
Ron
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Joined: May 2009
Posts: 156
Sidelock
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Sidelock
Joined: May 2009
Posts: 156 |
+1 on wrong ratio...1/1 is the ticket.
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Joined: Jul 2008
Posts: 448 Likes: 4
Sidelock
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Sidelock
Joined: Jul 2008
Posts: 448 Likes: 4 |
+1 on wrong ratio...1/1 is the ticket. Yup!
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Joined: Apr 2005
Posts: 1,113 Likes: 91
Sidelock
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OP
Sidelock
Joined: Apr 2005
Posts: 1,113 Likes: 91 |
Yep. It's the red box stuff and the large can of epoxy says 4:1. I'll try it again. Thanks much.
Ed
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Joined: Jul 2008
Posts: 448 Likes: 4
Sidelock
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Sidelock
Joined: Jul 2008
Posts: 448 Likes: 4 |
Ed,
If it still ain't workin' give Brownells a call.
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Joined: Jun 2005
Posts: 412 Likes: 4
Sidelock
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Sidelock
Joined: Jun 2005
Posts: 412 Likes: 4 |
Liquid Acra-glas is a 4:l ratio. However it is important that you be EXACT. The liquid stuff is picky. Acra-glas Gel is a 1:1 ratio. This product is not as particular on exactness. I have been using both products since 1981 with good results. When I didn't use the correct measure, the epoxy didn't always set up hard. I hate re-doing my own work....but I have and do when it is not right.
Dennis Earl Smith/Benefactor Life NRA, ACGG Professional member
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Joined: Mar 2002
Posts: 7,709 Likes: 474
Sidelock
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Sidelock
Joined: Mar 2002
Posts: 7,709 Likes: 474 |
Too much die will slow or impede the setting of all resins like acra-glass. It dries darker than what it look like when you mix it. Try a hair drier to heat the mixture up slightly. It will get harder with extra heat. Red box is 4:1, green box is 1:1. For cracks I use the red (gel) with heat to get it thin and to get it to flow into the cracks better. Have not need to redo any yet.
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Joined: Dec 2001
Posts: 363 Likes: 16
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 363 Likes: 16 |
Acra-Glas has a shelf life; if it doesn't harden it's past due. A strong amonia(sp) odor indicates it's outdated. My experiences.
Dennis Potter
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