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Celanex® XFR 6842 GF15 20/4102

Technical Datasheet | Supplied by Celanese
Celanex® XFR 6842 GF15 20/4102 is a semi-crystalline, halogen & antimony free flame retardant polybutylene terephthalate (PBT) reinforced with 15 % glass. Exhibits good processability, no corrosive emissions during processing, high strength, & rigidity, low creep even at high temperatures, rapid crystallization, fast cycle time, paintability, good electrical properties, no environmental stress cracking, good weathering resistance, very good low friction and wear resistant properties. Offers improved tracking resistance, toughness, flame retardancy at < 0.75 mm wall thickness, excellent dimensional stability, low moisture absorption and powerful insulation resistance, along with resistance to a wide range of chemicals, solvents, oils and greases. It complies with the PFOS, PFOA, WEEE and RoHS regulations.
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Product Type
Polyester > PBT
Product Status
COMMERCIAL
Labels/Agency Rating
PFOA - 2006/122/EC, PFOS - 2006/122/EC, RoHS, WEEE

Celanex® XFR 6842 GF15 20/4102 Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Impact Strength, Notched Izod
6.0 kJ/m²
(23°C)
ISO 180
Tensile Modulus
6500 MPa
(1 mm/min)
ISO 527-2/1A
Impact Strength, Notched Charpy
5.5 kJ/m²
(23°C)
ISO 179/1eA 2

Celanex® XFR 6842 GF15 20/4102 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Mold shrinkage (parallel)
0.5 - 0.7 %
Mold shrinkage (normal)
1.0 - 1.2 %
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