PurSil™ AL Aliphatic thermoplastic silicone polyether urethane

property

procedure

 

PurSil™ AL

PurSil™ AL

ASTM

5

20

Color

 

Translucent, colorless to milky white

Silicone Content, (st.%)

 

5

20

Hardness, Durometer

D2240

82A

80A

Specific Gravity

D792

1.06

1.07

Density, g/cm3

D792

1.06

1.07

Ultimate Tensile Strength (psi)

D1708

5817

5141

Ultimate Elongation (%)

D1708

559

524

Tensile Stress at

  psi at 50% elongation

  psi at 100% elongation

  psi at 300% elongation

D1708

 

818

1035

2332

 

358

559

1862

Tear Strength, Die 'C', pli

D624

115

210

Compression Set, %,

  22 hrs @ 25°C

D395

15

18

Taber Abrasion, 1000g wt.
Wear Index, mg/1000 cycles

D1044
H-18 wheel

5.4

7.3

Coefficient of Linear

Thermal Expansion

   x 10-6/°C

   x 10-6/°F

D1545

 

 

200

111

 

 

191

106

Approximate Melt Index
g/10 min at 224°C

D1238

37

2

Dielectric Strength, (V/mil)

D149

300

325

Dielectric Constant, k', 60 hz

D150

6.2

5.7

Mold Shrinkage, %

 

 

 

  4.0" Disk

D955

3.6

3.2

  Flame Bar

 

0-12.7

0.4-7.0

Cytotoxicity

 

Non-cytotoxic

Hemocompaticility

 

Non-hemolytic

Optimum Extrusion Conditions

  °F

  °C

 

 

360-400

182-204

 

360-400

182-204

Note: Typical physical property values are not to be construed as sales specifications.


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