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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Technical Datasheet | Supplied by Polyplastics
DURANEX® 320NF is a polybutylene terephthalate (PBT) grade reinforced with 20 % glass fiber. Possesses good texture, aroma retaining properties & offers fuel-, grease-, weather-, heat and oil resistance. Exhibits high temperature rigidity, thermal stability, long term insulation and low gas properties. Is suitable for processing by injection molding. Used in electronic / electro-mechanical and automotive applications. Complies with UL and RoHS regulations.
Product Type
  • Polyester > PBT
  • Polybutylene Terephthalate (other Alloy) [PBT, other Alloy] > > Polybutylene Terephthalate + Polytetrafluoroethylene [PBT + PTFE]
Physical Form
Product Status

DURANEX® 320NF Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Tensile Strength
90 MPa
( )
ISO 527-1,2
Nominal Strain
2.3 %
(at Break)
ISO 527-1/-2
Flexural Strength
140 MPa
( )
ISO 178

DURANEX® 320NF Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Cylinder Temperature
250 - 270 °C
Mold Temperature
40 - 80 °C
Holding Pressure
60 - 100 MPa
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