;ote: The Tangent Mo$ulus Intercet Tg value has "een measure$ "y DM+% accor$ing +STM D702
Very High Toughness Impact Resistant Epoxy Matrix
DT124
Mechanica$ roperties o# &ar6on Fi6re Rein#orced %aminates The DT124 ro$uct has "een $eveloe$ *ith the aim o# maximising resin toughness #or imact alications! This ro$uct o##ers higher level o# toughness! The #ollo*ing highlight imrove$ er#ormance:
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=or >ni$irectional rereg T700?200?DT12,?,0@ cure$ at 120()% a .1) #racture toughness value o# 771 JmA!
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In a high energy imact ,800 J9 an energy a"sortion value er unit mass o# 7
Recommended &ure &yc$es #or DT124 products DT124 ro$ucts allo* rocessing "y autoclave vacuum "ag moul$ing! The main recommen$e$ cure
cycle is at 120() #or the conventional "agging routes! =ollo*ing initial cure o# 120()% the system can "e ost?cure$% ho*ever there are no thermal "ene#its in terms o# elevate$ Tg!
*utoc$a7e Vacuum 8ag &uring &yc$es ecommen$e$ curing cycle is:
0, Minutes 9 12,(& This curing cycle uses an initial heating ram?rate o# 1 to 3()min #rom room temerature to the cure temerature! + vacuum shoul$ "e alie$ to the "agge$ comonent $uring cure! =or autoclave "ag curing% the alie$ cure ressure nee$s to "e "et*een 3!0 an$ 6!0 "ar!
rocessing uide$ines Important notice: /reregs rolls must "e store$ in a #reeBer at ?1<() *hen not "eing use$! Tha* the
rereg to room temerature "e#ore removing the roll #rom the rotective "ag o# olyethylene! This may tyically ta&e six 69 hours! This *ill revent the uncure$ rereg ro$uct #rom a"sor"ing moisture #rom the air% as this can a##ect the 'uality o# the #inal art! +#ter using the roll o# rereg it is recommen$e$ to seal the roll in the rotective "ag "e#ore relacing it in the #reeBer! 8
Very High Toughness Impact Resistant Epoxy Matrix
DT124
repreg %ay /p and %aminating 1! /rereg: /ay articular attention to con#orm the rereg lies to the geometry o# the release$ moul$ *hen laminating% esecially in corners o# small ra$ius o# curvature! 2! + non?er#orate$ release #ilm must "e use$! Cay care#ully over the laminate an$ moul$% then seal at the moul$ e$ges *ith tae! This *ill revent any lea&age o# resin #rom the art an$ coming into $irect contact *ith the vacuum "ag $uring the cure rocess! 3! reather non?*oven olyester9! Ma&e sure the "reather covers the entire art an$ reaches all the vacuum valves! + heavy*eight "reather is recommen$e$! ,! -acuum "ag! >se a generous 'uantity o# high temerature "agging #ilm to cover the art! Ma&e sure the "ag can #ill all corners o# the art *ith excess #ilm% an$ there is no "ri$ging o# the #ilm *hich coul$ cause a "ag "urst in the autoclave! 8! Ma&e sure the vacuum in the "ag is to a high level% tyically <0 m"ar! )hec& the vacuum tightness o# the "ag "e#ore curing% "y removing the vacuum um #or at least 8 minutes! The loss o# vacuum ressure shoul$ not "e greater than 80 m"ar! =or #urther in#ormation% lease contact Delta?TechEs Technical Service Deartment!
Exothermic Reaction DT124 is a reacti7e resin #ormu$ation :hich can undergo excessi7e exothermic heating during the initia$ curing process i# the correct curing procedures are not #o$$o:ed! &are must 6e ta;en to use the heating rates and d:e$$ temperatures in the recommended cure cyc$es! The ris; o# exotherm increases :ith $aminate thic;ness and increasing cure temperature! I# $aminates are greater than < mm in thic;ness= p$ease contact our technica$ department #or con#irmation o# the correct cure cyc$e!
*7ai$a6$e roducts>repregs DT124 resin can "e imregnate$ *ith a *i$e range o# #i"re rein#orcements% such as *oven an$
uni$irectional taes o# high strength an$ high mo$ulus car"on #i"re *ith a range o# #i"re *eights er s'uare metre!
Hand$ing recaution Ghen han$ling uncure$ resins an$ #i"rous materials recaution shoul$ "e consi$ere$! It is recommen$e$ to use clean rotective gloves in or$er to rotect the oerators an$ avoi$ contamination o# the comonents! ??????????????????????????????????? Data an$ measures sulie$ in this $atasheet are "elieve$ accurate "y Delta?Tech S!!+!% ho*ever no *arranty is given regar$ing the comleteness% accuracy or relia"ility #or any seci#ic or articular use% #iel$ o# use% alication% er#ormance% result or urose! There#ore% any seci#ic or articular use% alication% er#ormance% result or urose o# the technical seci#ications% $ata an$ measures sulie$ in this $atasheet shall "e at the users sole ris& an$ lia"ility! )onse'uently% any user shoul$ con$uct its o*n searches% veri#ications an$ tests ta&ing into consi$eration the eculiar nature an$ #unction o# the ro$ucts inclu$ing arts% comonents or accessories9 *hich *ill "e manu#acture$ using reregs! Delta?Tech $oes not give any *arranty o# non in#ringement o# thir$ arties roerty rights!
