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I've seen several people suggest using non hardening modeling clay to add weight to their speaker baffles and doors, but when I went to Michaels and bought some I decided on a whim to see how prone to melting this stuff is. I placed it outside in the sun on the top of my dash in a little tupperware container.

it turned to liquid in about an hour. I don't mean it ran a little bit, i mean it completley melted. Now I wonder if I bought the wrong brand of clay (it says 140 degrees F is the melting point I think) or something. I live in Central Texas and heat in my car is a problem even with the windows tinted and the window shade up.

Any suggestions on brand or something?

Thanks!
 

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well....


most of us don't put it right on top of our dash :)

i've had plenty in my car for two summers....all black interior in the car....that son of a ***** gets hot....heat waves roll out when i open it up in the summer.....

no melting clay here....
 

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Discussion Starter #3
True, but I wanted to see what would happen. I guess perhaps this isn't the best gauge of melting potential in the doors.. I just didn't want it getting all over my speakers or the inside of my door frame. heh.

Thanks!
 

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I have some extra from a couple years ago which says 150F melting point. It's never become liquidy, and I've lived in Tempe, AZ and now I live in WPB, FL.
The brand name is Van Aken.
 

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I bought some of the non-hardening stuff, and it got really soft when I put it in my car for a few hours. I decided to try something else, and I got some stuff that gets hard at 275 degrees. Its called Roma Plastina. Since I doubt the tempretaure will get that high in my car, it seems like its a better choice than that non-hardening stuff.
 

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Because of lack of any proper mount, I had my Dayton RS28's affixed upright using modeling clay and duct tape. However, I swapped those out the other day, but neglected to clean up really. Today driving, I noticed a big gob stil affixed to my A-pillar. It's high-80's out and my car has been sitting in the parking lot facing the sun all day. When I swiped it, it was pretty mushy, but it wasn't melting or running or anything. Try some different modeling clay.

-aaron
 

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Hey John, I got the basic Rose art non-hardening clay and for about a year in the same Austin sun, they held up well. The heat tends to harden and make it more brittle, more than actually melt it. I would say don't to go overboard on the clay and wipe off alot of the excess and you should be good to go.
 

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I'm pretty old school...I've used high temp stripcaulk probably for the last 10 yrs to mount my baffles/speakers...provides the best seal IMO
 

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3.5max6spd said:
I'm pretty old school...I've used high temp stripcaulk probably for the last 10 yrs to mount my baffles/speakers...provides the best seal IMO
Lol, that's what I was trying to tell someone I used on ECA - only I think I called it "window sealing clay stuff" or something lol.

It's cheap, and you can roll it up just like clay for other purposes.

-aaron
 

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For those of you looking for a better quality clay than the Kindergarden stuff at Michael's take a look at the stuff that AMACO offers. They even have online ordering. Another company is Chavant, but they sell to professionals and have minimum orders on the scale of 40-60 pounds! :eek:

Amaco Modeling Clay

The Artone Venus Modeling Clay looks promising as better alternative to Rose Art. The Industrial Styling Clay is probably really hard to use. But, how cool would it be to have the same clay in your door as folks like Pinafirina are using for sculpting new Ferraris! Don't they use this stuff in wind tunnels?
 

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What is your ultra-melting clay called? I bought some modeling clay from the hobby section of ACE Hardware, brand name is Sculpey. Comes in all different colors, $2.29 for a little bar. I just used it to install some woofers under my rear deck where the deck surface is all curved. Haven't taken it into the heat yet but I did leave it on the center console for a bit in medium heat and it showed no signs of flowing.

Dan
 
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