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Sparpreg pre-pregs product without auto-claved or oven
Sparpreg pre-pregs product without auto-claved or oven
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Sparpreg pre-pregs product without auto-claved or oven
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Leon
Leon
posted 13 Years Ago
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Hii all,
What do you think about this product below? Pre-pregs without temperature control to cure? Very very interesting I thought.
http://www.gurit.com/sparpreg-featuring-airstream-technology.aspx
Need confirmation from easycomposites team
Leon
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fgayford
fgayford
posted 13 Years Ago
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Leon (24/11/2012)
Hii all,
What do you think about this product below? Pre-pregs without temperature control to cure? Very very interesting I thought.
http://www.gurit.com/sparpreg-featuring-airstream-technology.aspx
Need confirmation from easycomposites team
Leon
I went to the site and all they said was how great it was without showing or explaining anything about it!
Fred
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_GABBER
_GABBER
posted 13 Years Ago
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hi Leon,
look here
prepreg out of autoclave
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baja_patient
baja_patient
posted 13 Years Ago
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Gabber, you missing a colon in your link...
http:www.ambercomposites.com/8020-rapi-ply-rapi-ply-system
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_GABBER
_GABBER
posted 13 Years Ago
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I'm sorry, My first post in this forum
thanks for correcting
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baja_patient
baja_patient
posted 13 Years Ago
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Haha... no worries, i'm a "guru" after only 71 posts!
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Bruce
Bruce
posted 13 Years Ago
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the Gurit product needs minimum 10hours cure @ 85degrees C and fastest cure @ 120 C it would be easy to lay up the part but you would need an oven
the amber product needs a controlled cure cycle so its still 80c for 6+ hours or 2+ hours @120c
with a controlled ramp up ,dwell and cool down so you would need a oven with very accurate controls
(or hot bonder or something to control it)
Gurit also make a prepreg product called Sprint which can be used without an autoclave but still needs a controlled cure cycle
the Gurit(sparpreg) product seems very similar in curing cycle to Easy composites Easy-preg
10hours @100c except the sparpreg has a longer outlife than the easypreg
easy enough to use if have the facility to cure it
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_GABBER
_GABBER
posted 13 Years Ago
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Bruce (07/12/2012)
the Gurit product needs minimum 10hours cure @ 85degrees C and fastest cure @ 120 C it would be easy to lay up the part but you would need an oven
the amber product needs a controlled cure cycle so its still 80c for 6+ hours or 2+ hours @120c
with a controlled ramp up ,dwell and cool down so you would need a oven with very accurate controls
(or hot bonder or something to control it)
Gurit also make a prepreg product called Sprint which can be used without an autoclave but still needs a controlled cure cycle
the Gurit(sparpreg) product seems very similar in curing cycle to Easy composites Easy-preg
10hours @100c except the sparpreg has a longer outlife than the easypreg
easy enough to use if have the facility to cure it
----------------------------------------------------------------------------
amber 8020 need a cure of 30 minutes @ 80 + 30 min @ 120....room temperature until 80°C with a 1°C/min ramp, then 80 to 120 with a 2°C/min ramp.....
http://www.ambercomposites.com/downloads/datasheet/rp8020tds-v9.pdf
a 1 or 2 °C/min ramp isn't a problem...I have a home made oven made with a resistance, a fan and a termoregolator, and I can do a 1°C/min ramp... For now I can't control the cool down ramp, but I'mm working to do it.
Oven is 1,2m x 0,5m x0,5 m, 1Kw resistence, made with metal sheet and isolated outside, able to 120°C for now.
Amber 8020 is very interesting. I have never try with prepreg at home, I usually do infusion (with the problem that a freestanding postcure need 10°C/h ramp...and I can't do it)
sorry for my english
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_GABBER
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