PBT

Properties

Test Condition

Test Method

Unit

Typical Value

Physical

Specific Gravity

ASTM D792

-

1.42

Molding Shrinkage

ASTM D955

%

1.2 ~ 2.0

Melt Flow Rate

250℃/2.16kg

ASTM D1238

g/10min

18

Water Absorption

23℃, 24hrs

ASTM D570

%

0.08

Mechanical

Tensile Strength, 3.2mm

ASTM D638

@ Yield

50mm/min

kg/cm2

520

Flexural Strength, 3.2mm

1.3mm/min

ASTM D790

kg/cm2

820

Flexural Modulus, 3.2mm

1.3mm/min

ASTM D790

kg/cm2

22,000

IZOD Impact Strength, 6.4mm

ASTM D256

(Notched)

23℃

kg·cm/cm

6.0

Thermal

Melt Temperature

ASTM D3418

℃

223

Heat Deflection Temperature, 6.4mm

ASTM D648

(Unannealed)

18.6kg

℃

62

4.6kg

℃

Flammability

UL94

0.71mm

class

V-0

1.5mm

class

V-0

3.0mm

class

V-0, 5VA

Relative Temperature Index

UL 746B

Electrical

℃

130

Mechanical with Impact

℃

130

Mechanical without Impact

℃

140