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IDES
Later® 4
Polybutylene Terephthalate
Supplied by LATI S.p.A.
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Product Description
Polybutylene Terephtalate (PBT).
General
Material Status
Commercial: Active
Availability
Africa & Middle East
Asia Pacific
Europe
Latin America
North America
South America
Processing Method
Injection Molding
Physical
Nominal Value
Unit
Test Method
Density
g/cm³
ISO 1183
Molding Shrinkage
2
ISO 294-4
Across Flow: 0.0787 in
%
Flow: 0.0787 in
%
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
ISO 527-2/1
73°F
psi
140°F
psi
194°F
psi
248°F
psi
Tensile Stress
(Yield, 73°F)
psi
ISO 527-2/5
Tensile Strain
(Yield, 73°F)
%
ISO 527-2/5
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength
(73°F)
ft·lb/in²
ISO 179/1eA
Charpy Unnotched Impact Strength
(73°F)
ft·lb/in²
ISO 179/1eU
Notched Izod Impact
(73°F, 0.126 in)
ft·lb/in
ASTM D256A
Thermal
Nominal Value
Unit
Test Method
Heat Deflection Temperature
66 psi, Unannealed
°F
ISO 75-2/B
264 psi, Unannealed
°F
ISO 75-2/A
Vicat Softening Temperature
°F
ISO 306/B50
CLTE - Flow
(86 to 212°F)
in/in/°F
ASTM D696
Continuous Use Temperature
3
°F
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Later® 4, Later 4, Later® , Later, Later4, Polybutylene Terephthalate, PBT, Polyester, Lati, PolybutyleneTerephthalate
Injection
Nominal Value
Unit
Drying Temperature
°F
Drying Time
hr
Processing (Melt) Temp
°F
Mold Temperature
°F
Injection Rate
Notes
1
Typical properties: these are not to be construed as specifications.
2
at 60 MPa of cavity pressure
3
20000 hr
Copyright © 2012
IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.