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Zell-Metall Engineering Plastics Zellamid 250 (PA6.6)

Category Polymer , Thermoplastic , Nylon , Nylon 66 , Nylon 66, Impact Grade
Manufacturer Zell-Metall Engineering Plastics
Trade Name Zellamid
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Zell-Metall Engineering Plastics Zellamid 250 (PA6.6).pdf
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Material Notes:
Zellamid® 250 is noted for its high temperature resistance and high tensile strength. It is the hardest and most rigid type of extruded Nylon. Main characteristics are high resistance to fuels, oils, greases, most organic solvents and alkalis. Moisture absorption is lower than for Nylon 6.Typical applications are friction bearings, gears, cams and cam followers, guides, sleeves, valve seats and articles subjected to high loads and/or for high temperature.
Physical Properties Metric English Comments
Density 1.13 - 1.15 g/cc
0.0408 - 0.0415 lb/in³
Moisture Absorption at Equilibrium 2.5 - 3.1 %
2.5 - 3.1 %
Saturation at 50% RH; ISO 1110; DIN 53714
Water Absorption at Saturation 8.0 - 9.0 %
8.0 - 9.0 %
23°C; ISO 62; DIN 53495
Mechanical Properties Metric English Comments
Ball Indentation Hardness 160 MPa
23200 psi
H 358/30; ISO 2039; DIN 53456
Tensile Strength at Break 80.0 MPa
11600 psi
ISO 527; DIN 53455
Elongation at Break 50 %
50 %
ISO 527; DIN 53455
Tensile Modulus 3.20 GPa
464 ksi
ISO 527; DIN 53452
Izod Impact, Notched 0.300 J/cm

@Temperature -40.0 °C
0.562 ft-lb/in

@Temperature -40.0 °F
ISO 180 Method A
Charpy Impact Unnotched NB

@Temperature -40.0 °C
NB

@Temperature -40.0 °F
ISO 179; DIN 53453
NB

@Temperature 23.0 °C
NB

@Temperature 73.4 °F
ISO 179; DIN 53453
Charpy Impact, Notched 8.00 J/cm²
38.1 ft-lb/in²
double V-notch, rk=1.5 mm; DIN 53753
Dart Drop, Total Energy >= 140 J
>= 103 ft-lb
DIN 53443
50.0 J

@Temperature -20.0 °C
36.9 ft-lb

@Temperature -4.00 °F
DIN 53443
Thermal Properties Metric English Comments
CTE, linear 70.0 - 100 µm/m-°C

@Temperature 20.0 °C
38.9 - 55.6 µin/in-°F

@Temperature 68.0 °F
DIN 53752
Specific Heat Capacity 1.70 J/g-°C
0.406 BTU/lb-°F
DIN 52612
Thermal Conductivity 0.230 W/m-K
1.60 BTU-in/hr-ft²-°F
DIN 53612 Method A
Melting Point 255 °C
491 °F
ISO 1218 Method A; DIN 53736
Maximum Service Temperature, Air 80.0 °C
176 °F
20,000 hours; 50% Tensile Strength; IEC 216; DIN 53446
95.0 °C
203 °F
5000 hours; 50% Tensile Strength; IEC 216; DIN 53446
<= 200 °C
<= 392 °F
a few hours operation
Deflection Temperature at 0.46 MPa (66 psi) >= 200 °C
>= 392 °F
ISO 75; DIN 53461
Deflection Temperature at 1.8 MPa (264 psi) 100 °C
212 °F
ISO 75; DIN 53461
Flammability, UL94 HB

@Thickness 1.60 mm
HB

@Thickness 0.0630 in
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+15 ohm-cm
1.00e+15 ohm-cm
IEC 167; DIN 53482
Surface Resistance 1.00e+13 ohm
1.00e+13 ohm
IEC 167; DIN 53482
Dielectric Constant 3.2

@Frequency 1e+6 Hz
3.2

@Frequency 1e+6 Hz
IEC 250; DIN 53483
Dielectric Strength 120 kV/mm
3050 kV/in
IEC 243; DIN 53481
Dissipation Factor 0.026

@Frequency 1e+6 Hz
0.026

@Frequency 1e+6 Hz
IEC 250; DIN 53483
Comparative Tracking Index >= 600 V
>= 600 V
KB Method; IEC 112; DIN 53480
>= 600 V
>= 600 V
KC Method; IEC 112; VDE 0303T1
Descriptive Properties Value Comments
Time yield limit 3.5 MPa
100°C, s1/1000; ISO.899 DIN.53444
VDE Fire Performance ll b
VDE 0304T3
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