Elasthane™ Thermoplastic Polyether Urethane

Elasthane™ TPU Properties Compared to Pellethane

Property

Procedure

ASTM

Elasthane™

Procedure

ASTM

Pellethane®

55D

75D

80A

2363‑55D

2363‑75D

2363‑80A

Color

 

Translucent, colorless to slightly yellow

 

 

 

 

Hardness, Durometer

D2240

55D

75D

82A

D2240

55D

76D

85A

Specific Gravity

D792

1.16

1.19

1.12

D792

1.15

1.21

1.12

Density, g/cm3

D792

1.16

1.19

1.12

D792

NA

NA

NA

Tensile Stress

psi@ 50%
Elongation

psi @ 100%
Elongation

psi @ 300%
Elongation

D1708
 

 

 

1720

 

2170

 

4890

 

NA

 

NA

 

NA

 

1380

 

845

 

527

D412
 

 

 

1900

 

2500

 

4280

 

4700

 

4780

 

NA

 

700

 

890

 

1500

Ultimate Tensile Strength (psi) (psi)

D1708

7848

8734

6354

D412

6900

5810

4200

Ultimate Elongation (%)

D1708

382

292

603

D412

390

380

650

Tear Strength, Die 'C', (pli)

D624

781

NA

NA

 

650

1470

420

Compression Set, %,

22 hrs@25°C

D395

40

NA

23

D395

30

NA

30

Taber Abrasion, 1000 g wt.

Wear Index, mg/1000 cycles

D1044

H-18 wheel

 

H-18 wheel

48

NA

NA

D1044

H-22 wheel wheelD1525

70

55

30

Vicat Softening
Temp.

  °C

  °F

D1525

 
 

129°C

264°F

 
 

61°C

141°F

 
 

100°C

212°F

D1525

 
 

109°C

229°F

 
 

116°C

241°F

 
 

81.7°C

179°F

Coefficient of
Linear

Thermal Expansion

   x 10-6/°C

   x 10-6/°F

E831

 
 

 

152.2/°C

84.6/°F

 
 

 

86.4/°C

48.0/°F

 
 

 

179.3/°C

99.6/°F

E696

 
 

 

141.0/°C

78.4/°F

 
 

 

88.7/°C

49.3/°F

 
 

 

165/°C

91.4/°F

Approximate Melt Index,

g/10 min at 224°C

D1238

(2160g)

13

(5000g)

37

(1200g)

17

 

30

30

23

Flexural Modulus, psi

   1% Secant Modulus

D790

21600

289000

5220

D790

22000

190000

NA

Flexural Stress, psi

at 5% Deflection

D790

893

10900

225

D790

NA

NA

NA

Dielectric strength (V/mil)

D149

385

392

363

D419

590

NA

NA

Dielectric Constant, K',
at 60 Hz

D150

5.2

3.7

6.7

D150

NA

NA

NA

Mold Shrinkage, %

 

D955

4" Disk

 

D955

Flame Bar

1.4

 

 

0.5-1.0

1.6

 

 

0.5-0.8

4.5

 

 

0-2.0

1/16" plaques Machine dir.

 

1/16" plaques Transverse dir.

0.6-0.8

 

 

0.6-0.8

0.3-0.8

 

 

0.3-0.7

0.5-0.6

 

 

-0.1-0.4

Cytotoxicity

 

Non-cytotoxic

 

Non-cytotoxic

Hemocompaticility

 

Non-hemolytic

 

Non-hemolytic

Optimum
Extrusion
Conditions

  °F

  °C

 

 



380-410

194-210

 



380-430

194-221

 



340-380

171-197

 

 



380-410

194-210

 



400-430

204-221

 



370-400

188-204

Note: Typical physical property values are not to be construed as sales specifications. Pellethane 2363-55D Data from Dow Pellethane Data Sheet.

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