Covestro Petlon® 4835 Semi-Crystalline PET, 35% Mineral/Glass Fiber

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Covestro Petlon® 4835 Semi-Crystalline PET, 35% Mineral/Glass Fiber (discontinued **)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyethylene Terephthalate (PET); Polyethylene Terephthalate (PET), Glass/Mineral Reinforced
Material Notes:	Characteristics: Flame Retardant: Good Processability, Low Warpage, High Rigidity Applications: Appliance, Telecommunication and Electrical Housings Processing: Injection Molding (Melt Temperature: 495-530°F, Mold Temperature: 195-250°F) Petlon® is manufactured by Albis Plastics Corporation and is a registered trademark of Bayer Corporation. As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and has officially adopted its new name – Covestro. This product was discontinued prior to the separation.
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Physical Properties	Original Value	Comments

Density	1.74 g/cc	ASTM D792
Water Absorption	0.030 %	(24 hr); ASTM D570
Moisture Absorption at Equilibrium	0.11 %	ASTM D570
Linear Mold Shrinkage, Flow	0.0040 cm/cm	ASTM D955
Linear Mold Shrinkage, Transverse	0.0080 cm/cm	ASTM D955

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	111.7 MPa	ASTM D638
Flexural Yield Strength	171 MPa	ASTM D790
Flexural Modulus	10.62 GPa	ASTM D790
Izod Impact, Notched	0.430 J/cm	ASTM D256

Electrical Properties	Original Value	Comments
Dielectric Strength	17.0 kV/mm	ASTM D149
Arc Resistance	75 sec	ASTM D495

Thermal Properties	Original Value	Comments
CTE, linear	18.5 µm/m-°C @Temperature 20.0 °C	ASTM D696
Deflection Temperature at 1.8 MPa (264 psi)	228 °C	ASTM D648
Vicat Softening Point	>= 225 °C	ASTM D1525
Flammability, UL94	V-0 @Thickness 3.17 mm	Albis Internal Test

Processing Properties	Original Value	Comments
Melt Temperature	257 - 277 °C	Injection
Mold Temperature	91.0 - 121 °C

**
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