Celanese Zytel® 70K20HSL BK284 PA66-RF20

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Celanese Zytel® 70K20HSL BK284 PA66-RF20
Categories:	Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon 66 (PA66); Nylon 66, Impact Grade
Material Notes:	20% Kevlar® Fiber Reinforced, Heat Stabilized, Polyamide 66 Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Original Value	Comments

Density	1.19 g/cc	DAM; ISO 1183
Water Absorption	6.8 % @Thickness 2.00 mm	DAM; Sim. to ISO 62
Moisture Absorption	2.70 % @Thickness 2.00 mm	DAM; Sim. to ISO 62
Linear Mold Shrinkage, Flow	0.0090 cm/cm	DAM; ISO 294-4, 2577
Linear Mold Shrinkage, Transverse	0.014 cm/cm	DAM; ISO 294-4, 2577

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	85.0 MPa	50% RH; ISO 527-1/-2
	110 MPa	DAM; ISO 527-1/-2
Elongation at Break	5.0 %	DAM; ISO 527-1/-2
	7.2 %	50% RH; ISO 527-1/-2
Tensile Modulus	3500 MPa	50% RH; ISO 527-1/-2
	5300 MPa	DAM; ISO 527-1/-2
Poissons Ratio	0.35	DAM
	0.37	50% RH
Charpy Impact Unnotched	50.0 kJ/m² @Temperature 23.0 °C	DAM; ISO 179/1eU
	65.0 kJ/m² @Temperature 23.0 °C	50% RH; ISO 179/1eU
Charpy Impact, Notched	6.00 kJ/m² @Temperature 23.0 °C	DAM; ISO 179/1eA
	9.00 kJ/m² @Temperature 23.0 °C	50% RH; ISO 179/1eA

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+11 ohm-cm	DAM; IEC 62631-3-1
Surface Resistance	>= 1.00e+15 ohm	50% RH; IEC 62631-3-2
Dielectric Strength	23.0 kV/mm	DAM; IEC 60243-1
Dissipation Factor	0.014 @Frequency 1e+6 Hz	DAM; IEC 62631-2-1
	0.014 @Frequency 100 Hz	DAM; IEC 62631-2-1

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	47.0 µm/m-°C	DAM; ISO 11359-1/-2
CTE, linear, Transverse to Flow	75.0 µm/m-°C	DAM; ISO 11359-1/-2
Melting Point	263 °C	10°C/min; DAM; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi)	255 °C	DAM; ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	222 °C	DAM; ISO 75-1/-2
Vicat Softening Point	240 °C	50°C/h, 50N; DAM; ISO 306
Glass Transition Temp, Tg	20.0 °C	10°C/min; 50% RH; ISO 11357-1/-2
	80.0 °C	10°C/min; DAM; ISO 11357-1/-2
Flame Spread	<= 80.0 mm/min @Thickness 1.00 mm	ISO 3795 (FMVSS 302)

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	Glass fiber
	Release agent
Back pressure	As low as possible
Drying Recommended	yes	Injection
FMVSS Class	B	ISO 3795 (FMVSS 302)
ISO designation	ISO 16396-PA66,AF20,M1CGHR,S14-050
Max. screw tangential speed (m/s)	0.2	Injection
Part Marking Code	>PA66-RF20<	ISO 11469
Polymer	PA66-AF20
Processing Hold Pressure Time (s/mm)	3	Injection
Resin Identification	PA66-RF20	ISO 1043

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PDSX5344 / 197984

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