Bad batch of resin/hardner from SP?

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meltingplastic

Copper - Posts: 225

Joined: November 08, 2004

Location: United States

Posted: March 25, 2006 at 8:34 PM / IP Logged

Hey guys,

so i'm undertaking a fiberglassing project for my S10 and ordered everything from Select Products. Everythings going great except for the resin and hardener. I've been using like double the amount of hadrener they have on the bottle for my batches and the thing takes FOREVER to cure. I mean it doesnt cure for OVER 24 hours. I mean i understand it takes a while for it all to cure but i'm mixing hot batches and they just dont seem to want to. I dont want to boil a batch so i've limitted it at 2 times the amount they recommend but i'm just confused as to why its taking so long to cure... ne suggestions as to what amount of hardener i should use per measurement of resin?

Driving a Bagged, Caddied 02 s10

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auex

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Joined: December 23, 2002

Location: Arizona, United States

Posted: March 25, 2006 at 8:38 PM / IP Logged

What is the temp like where you are?

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meltingplastic

Copper - Posts: 225

Joined: November 08, 2004

Location: United States

Posted: March 25, 2006 at 8:49 PM / IP Logged

around 50 to 60 degrees. if the doors are closed 65

Driving a Bagged, Caddied 02 s10

toolinmaine

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Location: United States

Posted: March 26, 2006 at 10:32 AM / IP Logged

Directsunlight or Heat Lamps. Magical

eric anderson-nosredna cire

Velocity Motors

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Joined: March 08, 2002

Location: Manitoba, Canada

Posted: March 26, 2006 at 12:13 PM / IP Logged

I'd say it's a bad batch. I had the same problem once and I returned it for a new batch of resin and it worked instantly and you can tell it was working because when mixed, the resin would turn brown with the hardener.

Jeff

Velocity Custom Home Theater

Mobile Audio/Video Specialist

Morden, Manitoba CANADA

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meltingplastic

Copper - Posts: 225

Joined: November 08, 2004

Location: United States

Posted: March 26, 2006 at 4:33 PM / IP Logged

yea its not changing colors really when i add the hardener

Driving a Bagged, Caddied 02 s10

Aruman

Silver - Posts: 363

Joined: July 27, 2005

Location: Aruba

Posted: March 27, 2006 at 9:36 AM / IP Logged

did you heat the resin making it warm before ? have you seen the dvd of them?

xclusivecustoms

Member - Posts: 24

Joined: February 13, 2005

Location: United States

Posted: March 27, 2006 at 5:10 PM / IP Logged

You need to warm your shop to over 75 degrees to use fiberglass. If not, it could take a month for it to harden. Adding more than 2% MEKP to polyester resin is just asking for problems.

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Aruman

Silver - Posts: 363

Joined: July 27, 2005

Location: Aruba

Posted: March 27, 2006 at 8:48 PM / IP Logged

yep no more then 2% of MEKP for 500mL of resin

Velocity Motors

Moderator - Posts: 12,488

Joined: March 08, 2002

Location: Manitoba, Canada

Posted: March 27, 2006 at 9:42 PM / IP Logged

I've fiberglassed at 60 deg F before without a problem. Just have to make sure that you give it a bit more time and that the project doesn't warp on you if you decide to bring the temp above 70 deg F.

Jeff

Velocity Custom Home Theater

Mobile Audio/Video Specialist

Morden, Manitoba CANADA

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