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Welcome to the'Great GradesTM' of Keltan@Overview of Keltan EPDM types with typicalcharacteristics and application areas.DSM Elastomers is a leading global manufacturerof high quality EPDM under the brand name ofKeltan@.

Keltan@is used in a wide variety of applications innumerous industries, including the Automotivesector, Building & Construction, Water Systems,Wire & Cable, Electrics & Electronics and House-hold Appliances.

The Keltan@portfolio consists of a broad rangeof 'Great Grades'TMwith a diversity of propertiesthat offers freedom in recipe formulations, productdesign and processing windows. This allows therubber industry to optimize the aimed ratiobetween product performance and cost efficiency.The versatile Keltan portfolio currently features:* Copolymers* DCPD

* Narrow, Medium, Broad and Very Broad MWD* Low to very high ENB levels* Controlled Long Chain Branching (CLCB)* Broad Mooney range* Oil extended grades* Industry's highest molecular weight polymer

The key values that are the cornerstones of DSM

Elastomers' business, apply also to these GreatGrades:TM

* Very high level of product quality andconsistency to provide optimal productproperties and outstanding conditions forefficient processing.

* Security of supply, creating a high-tech multi-plant production environment, which allowscost-effective operation and simultaneouslyoffers the flexibility to meet market demands.

* Customized technical support and extensive,easy to access information systems, to providevaluable data and share experience andknow-how.

* Active participation in the global low cost chainapproach, by stimulating the continuous searchfor cost-effective solutions throughout theproduction chain, from raw materials up to thefinal application and use of the end product.

DSM Elastomers is a Business Group of DSM N.V.,an international chemical company with stronginterests in life sciences, chemicals, nutritional

products and performance materials (plastics,rubbers, resins and fibers).

All information supplied by or on behalf of DSM in relation to its products, whether in the nature of data, recommendations or

otherwise, is supported by research and believed reliable, but DSM assumes no liability whatsoever in respect of application,

processing or use made of the afore-mentioned information or product, whose quality and consequence thereof. The buyer

undertakes all liability in respect of the application, processing or use of the aforementioned information or product, whose quality

and other properties he shall verify, or any consequence thereof. No liability whatsoever shall attach to DSM for any infringement of

the rights owned or controlled by a third party intellectual, industrial or other property by reason of the application, processing or

use of the aforementioned information or products by the buyer. Keltan@ is a registered trademark of DSM N. V. Great GradesTM is a

trademark of DSM N. V. Names and trademarks used in recipes or product information refer to the owner of the respective trade-

marks and/or tradenames. @ DSM Elastomers.

June 2007

Typical characteristics

Grade

320DA

740

520

7202

6622A

512x50

312

512

3782

5782

7782

5531AD.

5508

708x152

27

8340A

2340A

1446A

7341 AD.

314

509x100

4903

4703

(]) ~ ~~ ~~ ~

0 Q)(]) C:O c:

[ ~C5 ~& 8iTI ~

cC

DDEE

4.5 58

4.5 58

2.4 68

4.1 56

4.3 49

4.3 55

4.3 67

4.3 67

4.3 67

E

E

E

E

E

E

E

E

E

4.5 63

4.6 70

4.7 67

5.0 54

E

E

E

E

5.5 55

6.0 53

6.6 60

7.5 53

8.0 52

8.7 64

E

E

E

E

9.0 48

9.0 48

49

64

~~5

0

0

0

0

0

33

0

0

0

0

0

50

0 N 55

13 N 65

0 B 70

0 CLCB80

0 CLCB25

0 M 10

17 CLCB 53*

0

50

0

0

~L!)C\J~

03:

:2

~+~

J:2

N 51**

M 63

B 46

VB 63

M

B

M

67

48

33

46B

N 33

46M

M 63

52N

B

M

33

48

60*M

M 65

Application areas

Grade

3200A

740

520

7202

6622A

512x50

312

512

3782

5782

7782

5531A

5508

708x15Z

27

8340A

2340A

1446A

7341A

314

509x100

4903

4703

Q).DF0/5~~

C)c:

'50a:

00

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000

0

0 0

00

0

0

(/) (/) (/) (/) ~E E E E 0Q) Q) Q) Q) .c:'Ii) 'Ii) 'Ii) 'Ii) (])

(/) ~ ~~ ~ ~ ~~ C) C)co C) C) Q) ~Q) ,§~,§' ,§~,§[? 0-s gJL!) gJ~ gJco gJ~ '5[]) (f)V (f)L!)(f)A (f)(/) «

00 0 0

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00

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$Jc:::10EQ)c:'0,c:W

00 0

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$Jc:::10E'Ii)::1<I!

.c:x

W

f!!Q)c.~ Grade

3200A

740

0

520

720Z

6622A

512x50

312

512

3782

578Z

778Z

5531A

5508

708x15Z

27

8340A

0 2340A

1446A

7341A

0 314

0 0 509x100

0004903

0 4703

*ML(1+8) 150 ac.**ML(1+4) 100 'cC: CopolymerD: DCPD gradeE: ENB Grade

.6: Contains paraffinicwhite oil

N: narrowM: mediumB: broad

VB: very broadCLCB: Controlled Long Chain

Branching

Relative positions Keltan grades

Molecular weight distribution. NarrowMedium Broad Very broad Controlled Long Chain Branching

Polymer type ~ Copolymer ~ DCPD-grade ~ ENB-grade -.J Oil extended

Mooney: ML (1+4) 125 DC

~"J ~.~'r.'iE ~f. ~ ~.1~~ ~nll m~~Amorphous

TCrystalline Amorphous CrystallineCrystalline Amorphous Crystalline Amorphous

5531A

509x100

512x50

708x15Z

7341A

"':"

4903

8340A

276622A

4703720Z740 778Z

!I 520 512 II 578Z

!I 3200A378Z312 314

2340A

1446A

-0Q)

-0cQ)......><Q)

6,

100

90

80

70

60:J

50

40

30

20

10

0

------- --- --

Contact

Europe:DSM Elastomers B.V.Sittard, The Netherlands

464763503F. + 31 46 476 00 40

North America:DSM Elastomers Americas

Baton Rouge, United States2~5 267 31 00225 267 31 27

South America:

DSM 'Elastomers Brazil

Sao Paulo, SF>,Brazil11 3d46 3350 / 3351

bSM I;Jastomers AsiaSingapore

China:DSM Cliina

Shangliai office8188

8621 6141 7005

www.keltan.com

MARKETED BY

HARWICK STANDARDDISTRIBUTION CORPORATION

I 60 S. Seiber\i~g S~e~A~o~O_hiO_~.

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