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PBT

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Introduction
 

PBT (polybutylene terephthalate)

ColorNatural, Black, etc.

Size: SheetT X WX L   6-100mm×610×1220mm

RODDia. X L     6-100mm×1000mm

DATA SHEET

ITEM

METHOD

UNIT

VALUE

Mechanical Properties

Specific gravity

ASTM D792

g/cm3

1.31

Tensile yield strength

ASTM D638

Mpa

80

Breaking elongation

ASTM D638

%

4

Bending strength

ASTM 790

Mpa

100

Flexural modulus

ASTM 790

Mpa

2400

Shore hardness

ASTM D2240

D

90

Impact strength

ASTM D256

J/M

70

Thermal Properties

Melting point

DSC

224

Heat distortion temperature

ASTM D648

110

Operating temperature

-

100

Maximum operating temperature

-

150

Thermal conductivity

DIN 52612-1

W/(K-M)

0.24

Coefficient of linear thermal expansion

ASTM D696

10-5-1/K

-

Electrical Properties

Dielectric strength

ASTM D150

KV-mm

22

Dielectric loss factor

ASTM D150

-

0.015

Volume resistivity

ASTM D257

Ω.cm

1015

Surface resistivity

ASTM D257

Ω

1014

Dielectric constant

ASTM D149

-

3.3

Chemical Properties

Water absorption

23 60%RH

%

0.1

Acid resistance

23 60%RH

+

Others

Flammability

UL 94

HB

Remarks:

1.“+: positive “-”: negative “0”: depends.

2. All the parameters above are based on raw material but not finished products,

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