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Plastics & Elastomers
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Plastics & Elastomers
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Celanex® 3316 70/0708

Technical Datasheet | Supplied by Celanese
Celanex® 3316 70/0708 is a crystalline, non-exuding, flame-retardant polybutylene terephthalate (PBT) reinforced with 30 % glass fiber. Exhibits an excellent balance of mechanical properties and processability, excellent flame resistance, high thermal stability, excellent electrical insulation resistance, high strength, rigidity, low creep even at high temperatures, high heat distortion temperature, paintability, rapid crystallization & fast cycle time, very good low friction, wear- & weathering resistance, no environmental stress cracking, and good electrical properties. Offers good dimensional stability, low moisture absorption, along with resistance to a wide range of chemicals, solvents, oils and greases. Can be processed using injection molding. Recommended for electrical connectors which require UL approved 50% regrind use capability, brush holders, ignition components, motor bells & end caps, multipin edge-card connectors, power- or signal connectors, relay cases & covers, sensor housings, sockets, surface mount technology connectors, and terminal boards. It is UL & CSA approved as V-0 at 1/32 inch and 5V at 1/8 inch, and complies with the REACH, PFOS, PFOA, and RoHS regulations.
Product Type
Polyester > PBT
Product Status
Applications/ Recommended for
  • Electrical markets > Sockets
  • Electrical markets > Housings
  • Electrical markets > Connectors
  • Injection molding - thermoplastics

Celanex® 3316 70/0708 Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Flexural Modulus
10300 MPa
ISO 178
Flexural Strength
200 MPa
ISO 178
Impact Strength, Notched Izod
7.7 kJ/m²
ISO 180

Celanex® 3316 70/0708 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Mold Temperature
65 - 93 °C
Manifold Temperature
250 - 260 °C
Cylinder Zone 1 Temperature
230 - 240 °C
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