Fire resistance without compromise in aicraft interiors...

Advanced Materials

Fire resistance without compromise in aircraft interiors

Quarter 1, 2015

Advanced Materials 2

Table of contents

Araldite® FST 40002 / 40003

Structural FST thermoset composite system

Performance

Processing

Mechanical and FST

Araldite® MT 35710 FST

Cost effective EHS friendly alternative to phenolics

Performance

Processing

Mechanical and FST

Adhesives and syntactics

Selection for aerospace interiors

Araldite® 1570 FST A/B

Epibond® 8000 FR A/B

Epocast® 1622 FST A/B

Epocast® 1645 FR A/B

Advanced Materials

Fire resistance without compromise


Structural FST thermoset composite system For direct liquid processing of highly complex parts with function integration

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< Table of content Araldite® FST 40002 / 40003 > Araldite® MT 35710 FST > Adhesives / Syntactics >

Advanced Materials


A unique combination of performance

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2 Phenolic liquid process

3 Epoxy liquid process

4 Epoxy prepreg Thermoplastic organosheets

1 Phenolic prepreg

5 Araldite® FST 40002/40003

FST

Structural Design

complexity

2 4

3

5

1


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Features Capability Applications

!! Inherently flame retardant !! FST according to FAR 25.853 !! Efficient production of interior structural CFRP / GFRP with maximized weight savings

!! Complex parts and function integration

!! High productivity of small / medium parts

!! Large parts

!! High thickness

!! Unfilled

!! Low viscosity

!! Latent

!! Design complexity

!! RTM process

!! Infusion process

!! High mechanicals !! Structural applications

!! Fast cure

!! Low exotherm

!! High productivity

Advanced Materials


High quality versatile processing !! 2-component liquid system !! Injection capability 50-150°C !! Very low reaction energy (ca. 220 J/g): no risk of exotherm and high temperature injection of

high thickness parts !! Large part production with low cost / low temperature resistance molds !! High productivity of small to medium part : 5 min at 150°C

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Advanced Materials


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Viscosity vs. injection temperature


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Viscosity build-up vs. temperature


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Production cycle examples

Large part

Small / medium part

In-mold cure

Cure conditions 1h at 100ºC + 1h at 120ºC 5 min at 150ºC

ILSS CFRP(2)

56 MPa at 23°C 54 MPa at 23°C

Free-stand post-cure (1)

Cure conditions 2h at 180ºC

2h at 180ºC

ILSS CFRP(2)

64 MPa at 23°C

65 MPa at 23°C

(1) Optional, depending on in-mold cure conditions (2) 5h Satin, 370 gsm, TVf 50%


Advanced Materials


Structural FST solution !! High Tg and ILSS

!! High tensile and medium toughness !! Meets FST in all configurations: glass and carbon in all thickness !! Meets heat release in low thickness

(Heat release version under development, see Latest development)

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Advanced Materials


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Typical mechanical performance

DMA Tg ISO 6721

260ºC dry

185ºC wet

K1C ISO 13586

0.9 MPa.!m

G1C 270 J/m2

Tensile modulus

ISO 527

3 000 MPa

Tensile strength 100 MPa

Tensile elongation 5 %

ILSS

ASTM D2344 (CFRP UD (1))

97 MPa at 23°C

65 MPa at 120°C

55 MPa at 160°C

(1) UD, 6K, 270 gsm, TVf 60%


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Typical FST performance

Araldite® FST 40002 / 40003 Latest development

Standard FAR 25.853 Requirements

CFRP(1)

0.3 mm CFRP(1)

2 mm GFRP(2)

0.3 mm GFRP(2) 4 mm

GFRP(2) 4 mm

Vertical burn 12s Burn length After flame time Drip flame time

AITM 2.0002B

88 mm 9 s 0 s

- - -

48 mm 15 s 0 s

- - -

- - -

< 203 mm < 15 s < 5 s


AITM 2.0002A

82 mm 0 s 0 s

47 mm 6 s 0 s

65 mm 0 s 0 s

- - -

- - -

< 152 mm < 15 s < 3 s

Heat release HRR max HR

AITM 2.0006

63 kW/m2

32 kW.min/m2

85 kW/m2

90 kW.min/m2

45 kW/m2

25 kW.min/m2

74 kW/m2

16 kW.min/m2

32 kW/m2

11 kW.min/m2

< 65 kW/m2 < 65 kW.min/m2

Toxicity (flaming mode) Components toxicity level

AITM 3.0005

pass pass pass pass pass

Smoke after 4 min

AITM 2.0007A

23 12 16 - 46 < 200

(1) 5h Satin, 6K, 270 gsm, TVf 50% (2) 8h Satin, 300 gsm, TVf 50%


Advanced Materials


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Flammability test FAR 25.853 (a) / AITM 2.0002 A


Play the video >

http://www.slideshare.net/HuntsmanAdMatEU/flammability-test-araldite-mt-35710-fst-araldite-fst-40002-40003-video

Advanced Materials



Cost effective EHS friendly alternative to phenolics For prepreg and RTM processing of semi-structural parts

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Advanced Materials

Araldite® MT 35710 FST benzoxazine


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FST

EHS Cost

1 2

3

2 Bis-A Benzoxazine Araldite® MT 35600

Bis-F Benzoxazine Araldite® MT 35700

1 Phenolic prepreg

3 Benzoxazine Araldite® MT 35710 FST


Advanced Materials



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Features Capability Applications

!! Inherently flame-retardant !! FST & heat release FAR 25.853 and ABD 0031

!! Cost effective, high quality, EHS friendly, production of non-structural up to semi- structural interior composites.

!! Liquid !! Prepreg process w/w and w/o solvent

!! Liquid process

!! No volatile !! EHS friendly

!! No porosity and high laminate quality

!! Medium mechanicals !! Semi-structural

!! Cost effective !! Competitive to phenolics


Advanced Materials


Improvement vs. Araldite® MT 35600 (Bis-A Benzoxazine) and Araldite® MT 35700 (Bis-F Benzoxazine)

!! Liquid at 23°C, < 100 mPas above 100°C !! Cost effective for phenolic substitution

Can find applications in prepreg hot-melt and solvent based as well as direct process

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Advanced Materials


Processing

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Araldite® MT 35600 Bis-A benzoxazine

Araldite® MT 35700 Bis-F benzoxazine

Physical form Amber viscous liquid Solid Solid

Viscosity

1500 mPa.s at 60°C - -

Melting point

- 55 - 65 °C 55 - 65 °C


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Viscosity build-up vs. temperature

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Semi-structural FST solution !! Medium Tg of 140°C

!! Medium toughness !! Meets FST and heat release according to FAR 25.853 / ABD 0031

Better performance than phenolics

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Typical mechanical performance

Araldite® MT 35710 FST Typical Aero grade phenolic

DSC Tg ISO 11357-2

Neat resin

140ºC -

K1C ISO 13586

0.92 MPa.!m

G1C 200 J/m2

Tensile modulus

ISO 527

4 900 MPa

Tensile strength 60 MPa

Tensile elongation 1.3 %

Tensile modulus ISO 527

GFRP (1)

28 GPa 19 - 24 GPa

Tensile strength 457 MPa 380 - 400 MPa

Compression modulus ISO 14126

29 GPa 20 - 24 GPa

Compression modulus 555 MPa 350 - 380 MPa

ILSS ISO 14130 50 MPa 24 - 50 MPa


Advanced Materials


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Typical FST performance

Araldite® MT 35710 FST Standard FAR 25.853 Requirements

GFRP(1)

0.3 mm


AITM 2.0002A 94 mm 0 s 0 s

< 152 mm < 15 s < 3 s

Heat release HRR max HR

AITM 2.0006 18 kW/m2

29 kW.min/m2

< 65 kW/m2 < 65 kW.min/m2

Toxicity (flaming mode) Components toxicity level

AITM 3.0005 pass

Smoke after 4 min

AITM 2.0007A 11 < 200

(1) 8h Satin, 300 gsm, TVf 50%


Advanced Materials


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Flammability test FAR 25.853 (a) / AITM 2.0002 A


Play the video >

http://www.slideshare.net/HuntsmanAdMatEU/flammability-test-araldite-mt-35710-fst-araldite-fst-40002-40003-video

Advanced Materials


Adhesives and syntactics

Market-driven development Fast assembly I REACH I Weight savings I FST regulation

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Advanced Materials

Araldite® 1570 FST A/B

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Two-parts, flame retardant and FST epoxy adhesive

Application

Bonding of Aircraft interior - flooring parts. PE foam to phenolic GRP bonding in cargo areas.

Features and benefits

Technical data

!! Outstanding FST properties (complying with FAR 25.853)

!! Semi-rigid adhesive with high elongation at break

!! Long pot life at RT

!! Suitable for structural application on metal or plastic substrates

!! Non halogenated

!! Dark grey paste

Cure schedule 16h at 40°C Cure time to 10 MPa at RT: 10h

Pot life ca 2,5h

LSS at RT on Alu/Alu (chromic acid etched)

18 MPa

LSS at RT on CFRP/CFRP 17 MPa

LSS at RT on PPS/PPS (polyphenylene sulphide)

9.5 MPa

LSS at RT on PC/PC 4 MPa

LSS at RT on PEEK/PEEK (plasma)

5.5 MPa

Specification

AIMS 10-04-006 (Airbus), FAR 25.853


Advanced Materials

Epibond® 8000 FR A/B

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Two-parts, FR / FST interior epoxy adhesive

Application

Bonding interior honeycomb panels, metals and composite materials as well as insert bonding. Use anywhere FST / FR properties* are desired such as aerospace and transport interiors.


Technical data

!! One system for both FR and FST: meets requirements of FAR 25.853

!! Rigid adhesive with high lap shear strength

!! Accelerated cure at RT, allows high shop productivity

!! Extrudable, gap filling, suitable for overhead application

!! RT or heat cure

!! Easy process by hand or cartridge, 2:1 mix ratio

Cure schedule 1.5h at 55°C Cure time to 10 MPa at RT < 4h

LSS at RT on Alu/Alu (phosphoric acid anodized)

27 MPa

LSS at 93°C on Alu/Alu (phosphoric acid anodized)

6 MPa

Flammability CFR 25.853 appendix F, part 1

FST properties FAR 25.853 appendix F

* Except for OSU heat release


Advanced Materials

Epocast® 1622 FST A/B

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Two-parts, low density, fast, epoxy syntactic with high compressive strength

Application

Aerospace and transport interior potting of fasteners, panel joining, reinforcement and edge closeout applications in honeycomb panel structures. Emphasis on applications requiring low density, high compressive strength and FR / FST properties.


Technical data

!! Low density of 0,77

!! High compressive strength of 59 MPa

!! Extrudable, gap filling

!! Room temperature (3 to 5 days) or heat (3 to 5 hours at 55°C) cure

!! Fast gel time of 15 min, allows for higher shop productivity

!! FR / FST properties (meets FAR 25.853)

!! Easy process by Semco® cartridge, 100:11.5 parts by weight mix ratio

Cure schedule 5h at 55°C

Tg 80°C

Insert pull-out strength at 23°C 1300 N

Compressive strength at 23°C 60 MPa


Compressive modulus at 23°C 2.5 GPa

LSS, Al / Al at 23°C 12 MPa

Shrinkage 0.4 %

CTE below / above Tg 40 / 80 "m / (m.°C)


Advanced Materials

Epocast® 1645 FR A/B

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Two-parts, ultra-low density, 1 year shelf life, epoxy syntactic

Application

Aerospace and transport interior, reinforcement and edge close-out applications in honeycomb panel structures.


Technical data

!! Ultra-low density of 0,48

!! 90% compressive strength in 1 day at RT

!! Room temperature or heat (3 hours at 50°C) cure

!! Excellent tolerance with off ratio

!! Flame Retardant (meets FAR 25.853a)

!! Easy 1:1 pbw / pbv mix ratio with color mix indicator

!! 12 months shelf life at RT

Gel time, 100g at 23°C 65 min

Tg 50°C


Compressive strength at 150°C 3,5 MPa

LSS, Al / Al at 23°C 7,5 MPa

Compressive modulus at 23°C 1300 MPa

Shore D hardness 55 - 60

CTE 42 "m / (m.°C)



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Fire resistance without compromise in aicraft interiors...

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