wanting to make a mold

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toykilla

Member - Posts: 8

Joined: June 12, 2003

Posted: August 24, 2004 at 11:05 AM / IP Logged

I have been getting better at fiberglassing and such, but now ive developed a few parts that my some people in my car club are wanting.. instead of doing each by hand, i want to develop a mold to speed up the process.. I need some direction here. Especially as to the best material to make the mold from, release agents, etc.. I wil be using fiberglass for the projects,and a smooth finish is desireable.

any help would be great!

CarAudioHelp

Copper - Posts: 198

Joined: July 18, 2003

Location: United States

Posted: August 24, 2004 at 11:22 AM / IP Logged

It sounds like you've already made your positive. Now you'll need to make the negative. Usually that's made out of foam. Specifically the two part expanding foam. PVA (polyvinyl alcohol) is one of the most popular release agents for moldmaking. Mold release wax is another. And of course gel coat. This link might give you a few more pointers.

Moldmaking

vdubmk4

Copper - Posts: 175

Joined: August 04, 2004

Location: United States

Posted: August 24, 2004 at 1:34 PM / IP Logged

Check out JL audio's mold making process, there are a whole bunch of pictures and how to's. Good Luck.

JL Audio's Mold Making

Fortune: You will continue to take chances, and be glad you did.

toykilla

Member - Posts: 8

Joined: June 12, 2003

Posted: August 24, 2004 at 2:54 PM / IP Logged

thanks guys

ravenndude

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Joined: March 07, 2004

Location: United States

Posted: August 26, 2004 at 12:13 AM / IP Logged

When i was planning on doing this i found these two sites...

http://www.hotrod.com/howto/60478/

http://www.fbodyaudio.com/articleviewer.php?article=molds.tech

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wanting to make a mold

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