I can't believe the Exhaust Shield melted - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 20 Old 10-28-2006, 08:03 PM Thread Starter
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I can't believe the Exhaust Shield melted

I decided I wanted to paint the Exhaust Shield on my Wee black like some other folks did. I sanded it with 220 Grit and put on a few coates of PJ1 Hi-Temp Flat Black. I decided I'd bake it at 300 for a bit to cure it a liitle better as the paint can recommended 600 Deg. I knew 600 Deg was too much for plastic and the paint is for steel anyway. Well after about 20 minutes at 300 in my oven the damn thing melted in the middle and started to sag. It looks like dog shit now.

Anyway, I learned my lesson and I figure I'd pass it on to others so they don't make the same mistake I did.

Based upon the bubbling on both sides where it melted it appears there is a thin layer of heat resistant film on it. Obviously it's not resistant enough. 300 DEGREES! :x

BTW, any of you folks with and aftermarket exhaust want to part with a heat shield for real cheap?

2011 Wee
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post #2 of 20 Old 10-29-2006, 07:18 AM
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The problem with using ovens for such work is that they are very inaccurate and they do not heat evenly. For future reference you might want to turn the oven on and let it heat to temperature you want. Check it with a separate oven thermometer. Then turn the oven off before putting in your parts.

This is what I do for annealing brass casings when reloading ammo.

Oh, and 300 degrees might be a little hot for ABS plastic anyway.

650...Anything more than a handfull is wasted
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post #3 of 20 Old 10-29-2006, 07:46 AM
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If it is ABS (for what its worth, you've already proved that the oven was too hot)...

ABS Quick Facts:
Maximum Temperature: 176F 80C
Minimum Temperature: -4F -20C
Autoclavable: No
Melting Point: 221F 105C
Tensile Strength: 4,300 psi
Hardness: R110
UV Resistance: Poor
Translucent
Rigid
Specific Gravity: 1.04


ABS Fabrication:
It can be thermo-formed, pressure formed, blow molded, sheared, sawed, drilled, or even "cold stamped".
Joints can be ultrasonic welded, thermo-welded, and chemically bonded.
Impact resistant.
Commonly used for telephone bodies, safety helmets, piping, furniture, car components, TV casings, radios, control panels, and similar.
Valve bodies, material handling equipment


If its not actually ABS then it may be listed here:

http://www.dynalabcorp.com/technical...properties.asp

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Proud to be a Road Toad...Member #5
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post #4 of 20 Old 10-29-2006, 11:44 AM Thread Starter
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Well I certainly proved something :wink:

I just hope this thread keeps someone else from making the mistake I did.

Carry on fellows Stromtroopers

2011 Wee
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post #5 of 20 Old 10-29-2006, 11:44 AM Thread Starter
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Well I certainly proved something :wink:

I just hope this thread keeps someone else from making the mistake I did.

Carry on fellows Stromtroopers

2011 Wee
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post #6 of 20 Old 10-29-2006, 02:42 PM
 
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Heavy

Your amazing 8) 8)

Let the kid stick the hair pin in the wall socket it will teach him a better lesson then you telling him not to do it :lol: :lol:
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post #7 of 20 Old 10-29-2006, 02:42 PM
 
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Your amazing 8) 8)

Let the kid stick the hair pin in the wall socket it will teach him a better lesson then you telling him not to do it :lol: :lol:
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post #8 of 20 Old 10-29-2006, 05:35 PM
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Re: I can't believe the Exhaust Shield melted

Involute, your avatar is one ugly looking chick!!!


Quote:
Originally Posted by Involute
I decided I wanted to paint the Exhaust Shield on my Wee black like some other folks did. I sanded it with 220 Grit and put on a few coates of PJ1 Hi-Temp Flat Black. I decided I'd bake it at 300 for a bit to cure it a liitle better as the paint can recommended 600 Deg. I knew 600 Deg was too much for plastic and the paint is for steel anyway. Well after about 20 minutes at 300 in my oven the damn thing melted in the middle and started to sag. It looks like dog shit now.

Anyway, I learned my lesson and I figure I'd pass it on to others so they don't make the same mistake I did.

Based upon the bubbling on both sides where it melted it appears there is a thin layer of heat resistant film on it. Obviously it's not resistant enough. 300 DEGREES! :x

BTW, any of you folks with and aftermarket exhaust want to part with a heat shield for real cheap?

Are we gonna ride or dick around all day?
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post #9 of 20 Old 10-29-2006, 05:35 PM
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Re: I can't believe the Exhaust Shield melted

Involute, your avatar is one ugly looking chick!!!


Quote:
Originally Posted by Involute
I decided I wanted to paint the Exhaust Shield on my Wee black like some other folks did. I sanded it with 220 Grit and put on a few coates of PJ1 Hi-Temp Flat Black. I decided I'd bake it at 300 for a bit to cure it a liitle better as the paint can recommended 600 Deg. I knew 600 Deg was too much for plastic and the paint is for steel anyway. Well after about 20 minutes at 300 in my oven the damn thing melted in the middle and started to sag. It looks like dog shit now.

Anyway, I learned my lesson and I figure I'd pass it on to others so they don't make the same mistake I did.

Based upon the bubbling on both sides where it melted it appears there is a thin layer of heat resistant film on it. Obviously it's not resistant enough. 300 DEGREES! :x

BTW, any of you folks with and aftermarket exhaust want to part with a heat shield for real cheap?

Are we gonna ride or dick around all day?
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post #10 of 20 Old 10-29-2006, 06:41 PM Thread Starter
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Re: I can't believe the Exhaust Shield melted

Quote:
Originally Posted by sporthog93
Involute, your avatar is one ugly looking chick!!!
Either that or one very good looking dude. :lol:

2011 Wee
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