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Physical Properties for Tenite Butyrate Tubing

Tenite Butyrate Tubing
Tenite Butyrate 550E4861316 Clear, Trsp 

Property a


Specific Gravity

Test Method b


D 792

Typical Value, Unit c



Mechanical Properties

Tensile Stress @ Yield

Tensile Stress @ Break

Elongation @ Break

Flexural Modulus

Flexural Yield Strength

Rockwell hardness, R Scale

Izod impact Strength, Notched

     @ 23°C (73°F)

     @ -40°C (-40°F)


D 638

D 638

D 638

D 790

D 790

D 785


D 256

D 256


2.25 MPa (3,700 psi)

33.8 MPa (4,900 psi)


1,103 MPa (1.60 X 105 psi)

33.1 MPa (4,800 psi)



331 J/m (6.2 ft-lbf/in)

107 J/m (2.0 ft-lbf/in)

Thermal Properties

Deflection Temperature d

     @ 1.82 MPa (264 psi)

     @ 0.455 MPa (66 psi)

Vicat Softening Temperature d



D 648

D 648




64°C (147°F)

77°C (171°F)

96°C (205°F)

Performance Properties

Water Absorption, 24 h immersion

Soluble Matter Loss

Weight Loss on Heating [72 hours @80°C(176°F)]


D 570

D 570


D 707






Miscellaneous Butyrate Properties

Refractive Index, N d

Light Transmission e


Specific Heat @ 23°C (73°F)

Thermal Conductivity

Coefficient of Linear Thermal Expansion

Mold Shrinkage

Dielectric Strength

Dielectric Constant 1 MHz

Dissipation factor 1 MHz

Volume Resistivity



D 542

E 308

D 1003


C 177

D 696


D 955

D 149


D 150





> 90%

< 8.5%

1.26 – 1.67 kJ/kg-K (0.301-0.399 BTU/lb-°F)

0.17-0.33 W/m-K (1.2-2.3 Btu-in/h-ft2-°F)

11-17 X 10-5 mm/mm-°C (6-9X 10-5in/in-°F)



11.8-18.7 kV/mm (300-475 V/mil)



1013 – 1015 ohm-cm

a Unless noted otherwise, all tests are run as 23° C(73°F) and 50% relative humidity.

b Unless noted otherwise, the test method is ASTM

c Units are in SI and US customary units.

d Conditioned 4 hours @ 70°C (158°F)

e 1.52-mm (0.06-in.) specimen thickness



Properties reported are typical of average lots. Eastman makes no representation that the materials

in any particular shipment will conform exactly to the values given.



Formula 550 – odor mask; meets FDA requirements when supplied in FDA color numbers.

Title: Physical Properties for Tenite Butyrate Tubing
Description: Physical, Mechanical, Electrical and Thermal Typical Properties.
Published: 2/3/2009
Last Edited: 9/18/2013
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