Celanese Rynite® RE5231 BK533 PET-(GF+MD)35

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Celanese Rynite® RE5231 BK533 PET-(GF+MD)35
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyethylene Terephthalate (PET); Polyethylene Terephthalate (PET), Glass/Mineral Reinforced
Material Notes:	35% Glass/Mineral Reinforced Polyethylene Terephthalate Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Original Value	Comments

Density	1.60 g/cc	ISO 1183
Linear Mold Shrinkage, Flow	0.0030 cm/cm	ISO 294-4, 2577
Linear Mold Shrinkage, Transverse	0.0060 cm/cm	ISO 294-4, 2577

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	90.0 MPa	ISO 527-1/-2
Elongation at Break	2.0 %	ISO 527-1/-2
Tensile Modulus	10000 MPa	ISO 527-1/-2
Flexural Strength	145 MPa	ISO 178
Flexural Modulus	8800 MPa	ISO 178
Poissons Ratio	0.34
Charpy Impact Unnotched	35.0 kJ/m² @Temperature 23.0 °C	ISO 179/1eU

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+15 ohm-cm	IEC 62631-3-1
Surface Resistance	>= 1.00e+15 ohm	IEC 62631-3-2
Dielectric Strength	50.0 kV/mm	IEC 60243-1

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	29.0 µm/m-°C	ISO 11359-1/-2
	20.0 µm/m-°C @Temperature -40.0 - 23.0 °C	ISO 11359-1/-2
	24.0 µm/m-°C @Temperature 55.0 - 160 °C	ISO 11359-1/-2
CTE, linear, Transverse to Flow	79.0 µm/m-°C	ISO 11359-1/-2
	46.0 µm/m-°C @Temperature -40.0 - 23.0 °C	ISO 11359-1/-2
	93.0 µm/m-°C @Temperature 55.0 - 160 °C	ISO 11359-1/-2
Melting Point	250 °C	10°C/min; ISO 11357-1/-3
Deflection Temperature at 1.8 MPa (264 psi)	216 °C	ISO 75-1/-2
Flammability, UL94	HB @Thickness 0.750 mm	IEC 60695-11-10
Flame Spread	<= 80.0 mm/min @Thickness 1.00 mm	ISO 3795 (FMVSS 302)

Processing Properties	Original Value	Comments
Melt Temperature	285 °C	Optimum, Injection
	280 - 300 °C	Range, Injection
Mold Temperature	110 °C	Optimum, Injection
	100 - 120 °C	Injection
Ejection Temperature	170 °C	Injection
Drying Temperature	120 °C	Injection
Dry Time	4.00 - 6.00 hour	Injection, Dehumidified Dryer
Moisture Content	<= 0.010 %	Injection
Hold Pressure	>= 80.0 MPa	Injection

Descriptive Properties
Back pressure	As low as possible
Drying Recommended	yes	Injection
FMVSS Class	B	ISO 3795 (FMVSS 302)
Max. screw tangential speed (m/s)	0.2	Injection
Part Marking Code	>PET-(GF+MD)35<	ISO 11469
Polymer	PET-(GF+MD)35
Processing Hold Pressure Time (s/mm)	4	Injection
Resin Identification	PET-(GF+MD)35	ISO 1043

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PDSX4852 / 256301

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