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Semi-products and parts made of engineering plastics Polyplasty

Polyamide

PolyJarid
Polyamide - PolyJARID

Polyamide 6 (PA6), Polyamide 6.6 (PA66), Polyamide 12 (PA12)

Polyamides are semi-crystalline thermoplastics, the properties of which (especially PA6 and PA66) depend very strongly on the water content . No other thermoplastic contains such a combination of hardness and strength with such tenacity and tensile strength. Their balanced characteristics make Polyamides one of the most widely used plastics in engineering. Download PolyJARID Catalogue

Properties of Alkaline Polyamide 6 APA                            

 Property  Unit aPA   aPA 03 | 06  MaPA  HaPA  Antistatic
 Hardness (± 5°)  ShD  82/76*  78/72* | 76/71*  76/71*  82/76*  82/76*
 Min. tensile strength  N/mm  min. 45   min. 40* | 35  min. 35*  min. 45  min. 45
 Min. ductility (± 10 %)  %  min. 40*  min. 40* | 50*  min. 50*  > 50  > 20
 Charpy impact strength  kJ/m3  570 without breaking*  470 without breaking*
 without breaking
 without breaking*
 570
 without breaking*
 570
 without breaking*
 Notched impact strength  kJ/m3  3 10*  4 10* | 38–12*  38–12*  25  4
 Density  g/cm3  1.15  1.15 | 1.14  1.14  1.14  1.16
 Friction coefficient ***    0.30–0.35  0.25–0.30  0.22–0.27  0.30–0.35  0.30–0.35
 Melting temperature  °C  220  218 | 218  218  220  220
 Operating temperature  °C  -30 +80  -30 +80  -30 +80  -30 +90  -30 +90
 Longitudinal thermal expansion  °C  8–10 . 10–5 | 9–11 . 10–5   9–11 . 10–5  8–10 . 10–5  8–10 . 10–5
 Thermal conductivity  Wm-1K-1  0.30–0.35 | 0.28–0.35   0.28–0.35  0.30–0.35  0.30–0.35
 Tensile e-modulus  MPa
 3200
 1900*
 3400–3700
 2000–2500*
 3600–3900
 2100–2600*
 3200
 1900*
 3200
 1900*
 Equilibrium water content  %  2.5*  7.2**  2.5*  7.2**  2.5*  7.2**  2.5*  7.2**  2.5*  7.2**
 Relative change in linear dimensions  %  0.85*  2.4**  0.85*  2.4**  0.85*  2.4**  0.85*  2.4**  0.85*  2.4**
 
 
PolyJarid

Polyamide 6 extruded (PA 6 E)

We process these materials using the following procedures:
  • Extrusion: Extruded profiles according to drawings and semi-products according to DIN
  • Machine parts: Turned and milled parts in single and serial production
Material No.: 1101
Density ISO 1183: 1.14 g/cm 3
Mechanical properties     
 Tensile strength at yield  ISO 527  80/50 MPa
 Elongation  ISO 527  70/200 %
 E-Modulus of tensile elasticity  ISO 527  3000/1500 MPa
 Brinell Hardness  ISO 2039-1  150/70 MPa
 Brinell Hardness Number    H358/30
 Shore (A/D) or Rockwell (R/L/M) Hardness  ISO 868, ISO 2039-2  D82/D68
 Izod notched impact strength at 23 °C  ISO 180/1A  8.3/NB KJ/m2
 Charpy notched impact strength at 23 °C  ISO 179/1eA  7/80 KJ/m2
     
 Electrical properties    
 Permittivity at 50 Hz  IEC 60250  4.0/12.0
 Permittivity at 1 MHz  IEC 60250  3.5/7.0
 Dielectric loss factor at 50 Hz  IEC 60250  100/3000 1E-4
 Dielectric loss factor at 1 MHz  IEC 60250  310/3000 1E-4
 Dielectric strength  IEC 60243-1  100/60 kV/mm
 Thickness for dielectric strength    0.6 mm
 Specific dielectric resistance  IEC 60093  1013/1010 Ωm
 Surface resistance  IEC 60093  1013/1010 Ω
 CTI Tracking resistance  IEC 60112  600
     
 Thermal properties    
 Thermal conductivity  DIN 52 612  0.23 W/K.m
 Coefficient of transverse expansion, linear  ISO 11359  70|100 10-6/K
 Melt or vitrification temperature  ISO 11357  220 °C
 Heat distortion resistance A  ISO 75 HDT/A (1.8 MPa)  65 °C
 Heat distortion resistance B  ISO 75 HDT/B (0,45 MPa)  160 °C
 Max. short-term temperature    180 °C
 Max. long-term temperature    90 °C
 Min. operating temperature    -40 °C
     
 Other properties    
 Water absorption under regular conditions  ISO 62  3.0 %
 Water absorption in humidity  ISO 62  9.5 %
 Burning behaviour according to UL 94  IEC 60695-11-10 HB  
 UL 94 Thickness    1.6 mm
     
 Special properties    
 Proportional elongation at yield  ISO 527  4/20 %
 Tensile creep modulus (0.5% 1000 hrs)  ISO 899-1  2900/850 MPa
 Flexural strength  ISO 178  125/60 MPa
 Fatigue in flexure  ASTM D671  33 MPa
 Izod impact strength at 23 °C  ISO 180/1C  NB/NB KJ/m2
 Izod impact strength at -30 °C  ISO 180/1C  NB/NB KJ/m2
 Charpy impact strength at 23 °C  ISO 179/1eU  NB/NB KJ/m2
 Charpy impact strength at -30 °C  ISO 179/1eU  NB/150 KJ/m2
 Coefficient of slip creep compared to steel  0.38-0.45  
 Wear relative to the measured unit    9.5 (µ m/km)/MPa
 CTI M Tracking resistance  IEC 60112  600M
 Specific heat capacity  IEC 1006  1.70 J/g K
 Vicat softening point B  ISO 306 VST/B/50 (50 N)  204 °C
 LOI Acid index  ISO 4589  25 %
PolyJarid

Polyamide 6 casted (PA 6 G) - aPA

We process these materials using the following procedures:
  • Polyamide casted: Semi-products and parts weighing up to 2 tons.
  • Machined parts: Turned and milled parts in single and serial production
Mechanical properties    
 Tensile strength at yield  ISO 527   90/60 MPa
 Elongation  ISO 527  20/60 %
 E-Modulus of tensile elasticity  ISO 527  3600/2100 MPa
 Brinell Hardness  ISO 2039-1  160/90 MPa
 Brinell Hardness Number    H358/30
 Shore (A/D) or Rockwell (R/L/M) Hardness  ISO 868, ISO 2039-2 D83/D71  
 Izod notched impact strength at 23 °C  ISO 180/1A  7.0/NB KJ/m2
     
 Electrical properties    
 Permittivity at 1 MHz  IEC 60250  3.7
 Dielectric loss factor at 1 MHz  IEC 60250  300/- 1E-4
 Dielectric strength  IEC 60243-1  100/50 kV/mm
 Thickness for dielectric strength  0.6 mm  
Specific dielectric resistance  IEC 60093  1013/1010 Ωm
 Surface resistance  IEC 60093  1012/1010 Ω
 CTI Tracking resistance  IEC 60112  600
     
Thermal properties    
 Thermal conductivity  DIN 52 612  0.29 W/K m
 Coefficient of transverse expansion, linear  ISO 11359  80 10-6/K
 Melt or vitrification temperature  ISO 11357  220 °C
 Heat distortion resistance A  ISO 75 HDT/A (1.8 MPa)  120 °C
 Heat distortion resistance B  ISO 75 HDT/B (0,45 MPa)  185 °C
 Max. short-term temperature    150 °C
 Max. long-term temperature    80 4) °C
 Min. operating temperature    -40 °C
     
 Other properties    
 Water absorption under regular conditions  ISO 62  2.8 %
 Water absorption in humidity  ISO 62  8.0 %
 Burning behaviour according to UL 94  IEC 60695-11-10  V-2
 UL 94 Thickness    3.2 mm
     
 Special properties    
 Tensile creep modulus (0.5% 1000 hrs)  ISO 899-1  2300/1000 MPa
 Flexural strength  ISO 178  140/70 MPa
 Izod impact strength at 23 °C  ISO 180/1C  NB/NB KJ/m2
 Izod impact strength at -30 °C  ISO 180/1C  NB/NB KJ/m2
     
 Coefficient of slip creep compared to steel 0.36 to 0.43    
 Wear relative to the measured unit  6.3 (µm/km)/MPa  
 CTI M Tracking resistance  IEC 60112  600M
 Specific heat capacity  IEC 1006  1.68 J/g K
 Vicat softening point B  ISO 306 VST/B/50 (50 N)  215 °C
 LOI Acid index  ISO 4589  25 %
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Use:

  • gears
  • rollers
  • sheaves
  • ball bearings cages
  • pump housings
  • sliding bearings
  • joint parts
  • seal rings
  • orbital rollers
  • control cylinders
  • skids
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