A presentation by Sylvain Delalande

JEC, March, 31st, 2011

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Hexcel Product Key Input

Carbon Fiber Acrylonitrile

ReinforcementsGlass FiberCarbon Fiber

Carbon PrepregsCarbon FibersResins

Hexcel – Leader in Advanced Composites

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Co

mp

EP

Seg

Glass and Other PrepregsGlass FibersAramid FibersResins

HoneycombAramid PaperAluminum Foil

Engineered ProductsHoneycombPrepregsAdhesives

Broad Range of Composite Materials and Applications

Hexcel – Markets

SpaceCommercial Military

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Automotive Marine RecreationWind Energy

He Pl M77 a ne prepreg era

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HexPly M77 – a new prepreg era

M77 – Your Benefits

Extra fastcuring system High Tg

Long ShelfLife

Extra fastcuring system2 min @150°C

High Tg130°C

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AdhesionProperties

REACHConform

An unmatched property mix!

M77 – Your Benefits

Long Shelf LifeExtra fastcuring system2 min @150°C

High Tg130°C

Extra fastcuring system

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REACHConform

AdhesionProperties

An unmatched property mix!

M77 resin – ski industry

Requests:

�Short cycle times – long shelf life

�Good bonding properties with metal

�Higher viscosity vs existing matrix

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2

3

4

5

6

7

8

1 CAP Folie2 HexPly M77*3 PUR-core*4 HexPly M77*5 wood core6 HexPly M77*7 PE running surface8 Steeledge

M77 = lean manufacturing

M77 resin – biggest benefits for ski industry

110

120

130

140

150

160

M77 process vs. former typical prepreg system

new M77

former system

Reduction of set uptemp. by 10°C

�Traditionally short cycle system implies 1 to 5 days shelf life

�Shorter process cycle than former typical prepreg

0

10

20

30

40

50

60

70

80

90

100

0 6 12 18 24 30 36 42 48 54 60 66 72 78 84

Pre

pre

gT

emp.

time x10= sec

Nearly 20% cycletime reduction

Demoulding athigher temperature

M77 ~ 25% higher output, ~ 5% lower energy costs

M77 resin : process adapted for automotive parts

demouldin hot conditions

control flow

short cure cycle:2 min at 150°C or 1

min 30 at 160°C

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control floweven under highpressure (up to100 bars) giving

suitable withstandard

compression tools

No fridge

Long shelf life(6 weeks at 23°C).

M77 adapted for high production rate

M77 resin : process adapted for automotive parts

30

40

110

130

150

(bar

)

re(°

C)

M77 cure cycle for 3mm thick part

�Typical cure cycle

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0

10

20

30

50

70

90

110

0 60 120 180

Pre

ssu

re

Tem

pér

atu

r

time (s)

bottom mould surfacetempérature

middle of part temperature

pressure

Mould closing (10’’) Mould opening andpart ejection(10’’)

M77 adapted for high production rate

Mechanical performance on M77 prepreg

150 gsm unidirectional carbon tape200gsm twill 2X2 3k carbon fabric

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0

20

40

60

80

100

Tim

e(m

in)

cure time (min)

typical prepreg resinfor structuralautomotive part

M7798% shorter

High mechanical performance obtainedwith shorter cure cycle

Electrocoating treatment simulation

2,5

3

3,5

flexural Modulus at 200°C (Gpa)

�Simulate electrocoating treatment by measuring the flexuralModulus at 200°C

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0

0,5

1

1,5

2

SMC M77

Good residual stiffness at 200°C

M77 potential for automotive parts

300,0

400,0

500,0

600,0

700,0

flexural strength (Mpa)

15 0

20,0

25,0

30,0

35,0

flexural Modulus (Gpa)

- 6 %- 6%

�Mechanical performance after typical electrocoating treatment(30min at 200°C)

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0,0

100,0

200,0

SMC SMC after30' AT 200°C

M77 M77 after 30' at 200°C

0,0

5,0

10,0

15,0

SMC SMC after 30' at 200°CM77 M77 after 30' at 200°C

- 21% - 12%

Low influence of electrocoating treatmenton mechanical performance

M77 resin : potential for automotive parts

Short timecycle

Goodmechanicalproperties

M77

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Reachconform

Long shelflife

M77

A unique system for high production rates

Contacts

� Marketing: Sylvain Delalande: Sylvain.Delalande@hexcel.com

Franz Groetzmeier: Franz.groetzmeier.com

� Technical support: Nicolas Mercier: nicolas.mercier@hexcel.com

Birgit Wenidoppler: birgit.wenidoppler@hexcel.com

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Thank You

Questions?

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Questions?