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DuPontTM ETPVengineering thermoplastic vulcanizates

Resists Oil and Heat

Introducing

Katherine CookOrvar OtterstedtOctober 29, 2003

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat

DuPont™ETPV

Description

Overall Performance

ETPV Positioning

Potential Applications

Grades for Customers Evaluation

Properties

Conclusion

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat

DuPont™ETPV Description

Engineering thermoplasticvulcanizates comprising:

High performancecross linked elastomer

Dispersed in a:

High performancethermoplastic engineeringpolymer matrix

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat

DuPont™ETPV Description

Behaves like a rubber but processes like athermoplastic

Designed for high performance applications(including those requiring resistance to heat and/or oil)

Halogen free

Recyclable

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat

DuPont™ETPV Overall Performance

Depending on the grade:Hardness: ShoreA 60 to 90Tensile strength: 5 to 10 MPaElongation at break: 150% to 200%Compression set 22h at 100°Cafter annealing (1h, 150°C): 35% to 55%Compression set 168h at 100°Cafter annealing (1h, 150°C): 45% to 70%Service temperature: -40°C to 160°C and beyondResistance to oil no3 (70h, 150°C): <50% volume changeBrittleness temperature: -40°CSoft touchExcellent heat aging performance

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat

Epichlorohydrine (ECO)

300°C

275°C

250°C

225°C

200°C

150°C

175°C

125°C

100°C

75°C

50°C

J

H

G

F

E

D

C

B

A

Type No req. 140% 120% 100% 80% 50% 30% 20% 10%

ClassA B C D E F G H I

DuPont™ ETPVVamac®

Kalrez®

Viton®

Fluorosilicone

Polyacrylate (ACM)HNBRHytrel®

Alcryn

Nitrile (NBR)

Silicone

Silicone (HS)

EVA(high VA)

Ethylene-propyleneSantoprene

ButylGeolast

SBR & NR

EPDM

HypalonOlefinic TPE

Neoprene

Oil Resistance(% swell in ASTM No 3 Oil)

Heat Resistance

DuPont™ETPV Overall Performance

ASTM D2000 / SAE J200 Specifications.N.b. The purpose of this chart is to give a general overview. Formulation may affect compound performance.

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DuPont™ETPV vs TPE

Low

Medium

Valu

e &

Per

form

ance

High

Softer (Shore A) Harder (Shore D)

SEBS/SBS

TPU

TEEECOPA

ETPVETPV

TPO-C & R

TPO-V

DuPont™ETPV

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DuPont™ETPV vs

PA11 / 12 Higher flexibility (rubber like)Better chemical resistance

TPU Better chemical resistanceBetter compression set

TEEE Softer (Shore A)Better chemical resistanceBetter thermal resistanceBetter compression set

DuPont™ETPV vs TPE

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat

Thermoset Rubbers(e.g. ECO, HNBR, NBR)

Thermoplastic Processing Oil resistance Heat resistance Flexibility Compression Set Chemical resistance

DuPont™ETPV vs Rubber

Silicone

ECO

HNBRACM

NBR

Global Rubber Market Opportunity (275ktpa)

DuPont™ETPV:vs

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Current Trends for the Rubber Market

AutomotiveLargest market, biggest opportunityNeeds:

Resistance to higher temperaturesWithstand more aggressive chemicalsWithout sacrificing flexibility

Consumer/industrialSoft touch, fluid seals, hose and tubingNeeds:

Adhesion in over moldingCorrosion resistance

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatTPE Replacement of Conventional

Thermoset Rubbers

Replacement driven byPerformance propertiesRecyclabilityEase of processing

Gains in TPE sales Consistently outpaced the general economyMainly as a result of replacing rubber

Recent trends (between 1998 and 2002)Sales in technical applications increased by about 18%TPEs expected to grow 5.2% per year, reaching $1.3 billion

Source: Fredonia Group

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DuPont™ETPV vs TPE and Rubber

Higher performance than leading TPVs and TPEsWithstand higher temperaturesGreater resistances to hydrocarbons

Performance/cost advantages over thermosetrubbers

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DuPont™ETPV AdvantagesComposition

High performance cross linked elastomerHigh performance thermoplastic engineering polymer matrix

Process like thermoplasticsLow part costDesign freedomRecyclability

PropertiesElastomer phase provides high heat resistance, low hardness, creepresistanceThermoplastic phase provides flex life, low temperature toughness,oil/grease resistance

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How DuPont™ETPV stack up…

Higher tensile strength

Recyclability

Processability onstandard thermoplasticequipment

To rubbers To TPEsBetter compression set

Higher servicetemperature

Lower hardness

To traditional TPVsBetter oil resistance

Higher servicetemperature: +30°C ormore

No halogens

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat

Process like thermoplasticsInjection molding, 2K molding, blow moldingExtrusion: high-speed, no cure

Automotive applicationsUnder hood hoses, body plugs, CVJ boots, NVH applicationsHose example: tight bend radius like rubber plus low-temp

OtherWherever superior material performance is needed

Where DuPont™ETPV can work for you

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Cost saving vs cured rubber (ECO, HNBR, Silicones)

DuPont™ETPV Main Drivers

Temperature resistance

Heat aging properties

Chemical and oil resistance

Flexibility (rubber like)

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DuPont™ETPV Potential Applications

Where following families of polymers are used:

High performance thermoset rubbers such asECO, silicone, ACM/AEM, HNBR or NBR

High performance TPEs

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Turbo ducts

Potential ApplicationsAutomotive ducts

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat

Ventilation hoses

Oil cooler hoses

Potential ApplicationsAutomotive hoses

Requirements: Oil resistance Heat resistance Softness

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatPotential Applications

CVJ boots

Hot side / inboard boots require a soft material that withstands 150°C continuous and 170°C peak temperatures.

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatPotential Applications

Automotive body plug

Requirements:

Heat resistance

Softness

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatPotential Applications

Sealing profiles

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatPotential Applications

Electrical products

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatPotential Applications

Molded parts with “hard-soft” combinations

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatPotential Applications

Molded parts for automotive, industrial, appliance and sporting products

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatPotential Applications

Others

Co-extruded hoses

2 - layer BM ducts

Fuel line covers for automotive

Engine mounts and NVH applications

High pressure hoses for industrial applications

Example of hose / duct (co-ex):

DuPontTM ETPVDuPontTM Crastin®

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatDuPont™ETPV

Grades for customers evaluation

Standard GradesETPV60A01 NC010 (extrusion, BM and 2K molding)ETPV60A01L NC010 (injection molding)ETPV90A01 NC010

Heat Stabilized Standard GradesETPV60A01HS NC010 (extrusion, BM and 2K molding)ETPV60A01HSL NC010 (injection molding)ETPV90A01HS NC010

Black concentrate can be provided for cube blendingHytrel® 40CB (add 2%)

Packaging: Granules in 25kg bags

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat

ETPV90A01ETPV60A01

40%45%ASTM D 471Volume change after 70h inASTM oil no 3 at 150°C

- 40°C- 40°CISO 812Brittleness temperature

70%50%ASTM D 395-BCompression set, 168h at 100°Cafter annealing (1h, 150°C)

55%35%ASTM D 395-BCompression set, 22h at 100°Cafter annealing (1h, 150°C)

29 kN/m16 kN/mISO 34-1 B/bTear strength190%160%ISO 527Elongation at break9 Mpa5 MpaISO 527Tensile strength

1.12 g/cm31.08 g/cm3ISO R118Specific gravity9060ASTM D 2241Shore A hardness

DuPont™ETPVPhysical and mechanical Properties

From DuPontTM ETPV Data Sheets

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatDuPont™ETPV

Heat Aging Properties

Properties after heat aging in air at 150oC

ETPV60A01HS NC010

ETPV90A01HS NC010

129162200% retentionISO 527Elongation at break

113107105% retentionISO 527Tensile strength

62Shore AISO 868 (15s)Shore A hardness

3000h2000h1000hUnitTestProperty

4463100% retentionISO 527Elongation at break

140125120% retentionISO 527Tensile strength

88Shore AISO 868 (15s)Shore A hardness

3000h2000h1000hUnitTestProperty

From DuPontTM ETPV Data Sheets

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat

ETPV60A01 NC010 Oil ResistanceASTM 1 Oil @ 150°C 70 hrs 168 hrs

Tensile strength ISO 527 % retention 96 98Tensile strain at break ISO 527 % retention 216 106Tensile stress at 100% strain ISO 527 % retention 44 91Hardness ISO 868 (15 sec) Shore A 55 54Volume swell % 5.2 4.1

IRM #902 Oil @ 150°C 70 hrs 168 hrsTensile strength ISO 527 % retention 92 92Tensile strain at break ISO 527 % retention 210 96Tensile stress at 100% strain ISO 527 % retention 42 93Hardness ISO 868 (15 sec) Shore A 47 48Volume swell % 26 20

IRM #903 Oil @ 150°C 70 hrs 168 hrsTensile strength ISO 527 % retention 69 69Tensile strain at break ISO 527 % retention 161 170Tensile stress at 100% strain ISO 527 % retention 37 40Hardness ISO 868 (15 sec) Shore A 41 35Volume swell % 54 60

Engine Oil Cecilia 20 @ 150°C 70 hrsTensile strength ISO 527 % retention 80Tensile strain at break ISO 527 % retention 186Tensile stress at 100% strain ISO 527 % retention 42Hardness ISO 868 (15 sec) Shore A 50Volume swell % 17

From DuPontTM ETPV Data Sheets

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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat

ETPV90A01 NC010 Oil ResistanceASTM 1 Oil @ 150°C 70 hrs 168 hrs

Tensile strength ISO 527 % retention 102 107Tensile strain at break ISO 527 % retention 200 245Tensile stress at 100% strain ISO 527 % retention 70 70Hardness ISO 868 (15 sec) Shore A 83 80Volume swell % 2.5 2.9

IRM #902 Oil @ 150°C 70 hrs 168 hrsTensile strength ISO 527 % retention 103 105Tensile strain at break ISO 527 % retention 207 228Tensile stress at 100% strain ISO 527 % retention 66 68Hardness ISO 868 (15 sec) Shore A 74 79Volume swell % 19.5 14

IRM #903 Oil @ 150°C 70 hrs 168 hrsTensile strength ISO 527 % retention 76 87Tensile strain at break ISO 527 % retention 144 181Tensile stress at 100% strain ISO 527 % retention 57 61Hardness ISO 868 (15 sec) Shore A 72 70Volume swell % 38 35

Engine Oil Cecilia 20 @ 150°C 70 hrsTensile strength ISO 527 % retention 95Tensile strain at break ISO 527 % retention 193Tensile stress at 100% strain ISO 527 % retention 66Hardness ISO 868 (15 sec) Shore A 74Volume swell % 9.5

From DuPontTM ETPV Data Sheets

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Conclusion

DuPontTM ETPVengineering thermoplastic vulcanizates

Resist Oil and Heat

A new family of high performance thermoplasticelastomers, combining cured rubber properties withthermoplastic processing capability.