Celanese Zytel® 70G35EF BK538 PA66-GF35

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Celanese Zytel® 70G35EF BK538 PA66-GF35
Categories:	Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon 66 (PA66); Nylon 66, 40% Glass Fiber Filled
Material Notes:	Zytel® 70G35EF BK538 is a 35% glass reinforced polyamide 66 developed for electrical and electronics applications Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Original Value	Comments

Density	1.40 g/cc	DAM; ISO 1183
Melt Density	1.24 g/cc @Temperature 295 °C
Water Absorption	5.5 % @Thickness 2.00 mm	DAM; Sim. to ISO 62
Moisture Absorption	1.70 % @Thickness 2.00 mm	DAM; Sim. to ISO 62
Viscosity	170000 cP @Shear Rate 1000 1/s, Temperature 280 °C	Melt; ISO 11443
Linear Mold Shrinkage, Flow	0.0040 cm/cm	DAM; ISO 294-4, 2577
Linear Mold Shrinkage, Transverse	0.010 cm/cm	DAM; ISO 294-4, 2577

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	140 MPa	50% RH; ISO 527-1/-2
	200 MPa	DAM; ISO 527-1/-2
Elongation at Break	3.0 %	DAM; ISO 527-1/-2
	5.0 %	50% RH; ISO 527-1/-2
Tensile Modulus	8500 MPa	50% RH; ISO 527-1/-2
	11000 MPa	DAM; ISO 527-1/-2
Flexural Strength	200 MPa	50% RH; ISO 178
	290 MPa	DAM; ISO 178
Flexural Modulus	8000 MPa	50% RH; ISO 178
	10000 MPa	DAM; ISO 178
Poissons Ratio	0.34	50% RH
	0.34	DAM
Izod Impact, Notched (ISO)	10.0 kJ/m² @Temperature 23.0 °C	DAM; ISO 180/1A
Charpy Impact Unnotched	65.0 kJ/m² @Temperature -40.0 °C	50% RH; ISO 179/1eU
	65.0 kJ/m² @Temperature -40.0 °C	DAM; ISO 179/1eU
	70.0 kJ/m² @Temperature -30.0 °C	50% RH; ISO 179/1eU
	70.0 kJ/m² @Temperature -30.0 °C	DAM; ISO 179/1eU
	80.0 kJ/m² @Temperature 23.0 °C	DAM; ISO 179/1eU
	85.0 kJ/m² @Temperature 23.0 °C	50% RH; ISO 179/1eU
Charpy Impact, Notched	7.00 kJ/m² @Temperature -40.0 °C	50% RH; ISO 179/1eA
	7.00 kJ/m² @Temperature -30.0 °C	50% RH; ISO 179/1eA
	9.00 kJ/m² @Temperature -30.0 °C	DAM; ISO 179/1eA
	9.00 kJ/m² @Temperature -40.0 °C	DAM; ISO 179/1eA
	12.0 kJ/m² @Temperature 23.0 °C	DAM; ISO 179/1eA
	14.0 kJ/m² @Temperature 23.0 °C	50% RH; ISO 179/1eA

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+11 ohm-cm	50% RH; IEC 62631-3-1
	1.00e+14 ohm-cm	DAM; IEC 62631-3-1
Dielectric Strength	36.0 kV/mm	50% RH; IEC 60243-1
	37.0 kV/mm	DAM; IEC 60243-1
Comparative Tracking Index	575 V	DAM; IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	14.0 µm/m-°C	DAM; ISO 11359-1/-2
CTE, linear, Transverse to Flow	85.0 µm/m-°C	DAM; ISO 11359-1/-2
Specific Heat Capacity	2.13 J/g-°C @Temperature 295 °C	Melt
Thermal Conductivity	0.240 W/m-K @Temperature 295 °C	Melt
Melting Point	260 °C	10°C/min; DAM; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi)	258 °C	DAM; ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	250 °C	DAM; ISO 75-1/-2
Vicat Softening Point	255 °C	50°C/h, 50N; DAM; ISO 306
Glass Transition Temp, Tg	20.0 °C	10°C/min; 50% RH; ISO 11357-1/-2
	70.0 °C	10°C/min; DAM; ISO 11357-1/-2
Flammability, UL94	HB @Thickness 0.400 mm	DAM; IEC 60695-11-10
	HB @Thickness 1.50 mm	DS; DAM; IEC 60695-11-10
Flame Spread	25.0 mm/min @Thickness 1.00 mm	ISO 3795 (FMVSS 302)
Oxygen Index	24 %	DAM; ISO 4589-1/-2

Processing Properties	Original Value	Comments
Melt Temperature	295 °C	Optimum, Injection
	285 - 305 °C	Range, Injection
Mold Temperature	70.0 - 120 °C	Injection
	100 °C	Optimum, Injection
Ejection Temperature	210 °C	Injection
Drying Temperature	80.0 °C	Injection
Dry Time	2.00 - 4.00 hour	Injection, Dehumidified Dryer
Moisture Content	<= 0.20 %	Injection
Hold Pressure	50.0 - 100 MPa	Range, Injection

Descriptive Properties
Additives	Low halide content
	Release agent
Drying Recommended	yes	Injection
FMVSS Class	B	ISO 3795 (FMVSS 302)
ISO designation	ISO 16396-PA66,GF35,M1CGO2R,S14-110
Max. screw tangential speed (m/s)	0.2	Injection
Part Marking Code	>PA66-GF35<	ISO 11469
Polymer	PA66-GF35
Processing Hold Pressure Time (s/mm)	3	Injection
Resin Identification	PA66-GF35	ISO 1043

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PDSX5333 / 197973

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