Chemlon® A25

Category: Nylon 66 , Polyamide 66
Manufacturer: Teknor Apex Company (Chem Polymer)
Trademark: Chemlon®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: 2Iky5V_Chemlon-A25.pdf
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Message
A25 is a standard, unfilled injection moulding grade of nylon 66.
General Information
Forms
  • Particle
Processing Method
  • Injection molding
PhysicalDryConditionedUnitTest Method
Density 1.14--g/cm³ISO 1183
Molding Shrinkage 11.1 - 1.7--%Internal method
Water Absorption (23°C, 24 hr)1.2--%ISO 62
MechanicalDryConditionedUnitTest Method
Tensile Modulus 28001600MPaISO 527-2
Tensile Stress (Yield)75.060.0MPaISO 527-2
Flexural Modulus 29001000MPaISO 178
Flexural Stress 295.035.0MPaISO 178
ImpactDryConditionedUnitTest Method
Charpy Notched Impact Strength 13 kJ/m²No BreakISO 179
Charpy Unnotched Impact Strength No BreakNo BreakISO 179
ThermalDryConditionedUnitTest Method
Heat Deflection Temperature
     0.45 MPa, not annealed 225205°CISO 75-2/B
     1.8 MPa, not annealed 90.080.0°CISO 75-2/A
ElectricalDryConditionedUnitTest Method
Surface Resistivity 1.0E+141.0E+11ohmsIEC 60093
Volume Resistivity 1.0E+161.0E+15ohms·cmIEC 60093
Dielectric Strength (3.00 mm)1812kV/mmIEC 60243-1
Relative Permittivity 3.804.30IEC 60250
Dissipation Factor (1 MHz)0.0200.080IEC 60250
Comparative Tracking Index > 600> 600VIEC 60112
FlammabilityDryConditionedUnitTest Method
Flame Rating (1.52 mm)V-2--UL 94
Glow Wire Flammability Index (1.50 mm)750--°CIEC 60695-2-12
Oxygen Index 27--%ISO 4589-2
InjectionDryUnit
Drying Temperature 80.0 - 100°C
Drying Time 2.0hr
Rear Temperature 270 - 290°C
Middle Temperature 270 - 290°C
Front Temperature 270 - 290°C
Processing (Melt) Temp < 300°C
Mold Temperature 60.0 - 80.0°C
Injection Rate Fast
Screw Speed 50 - 200rpm
Injection instructions
No drying is necessary unless the material has been exposed to air for longer than three hours.Back Pressure: LowInjection Pressure: High
Note Message
1 .Mould shrinkage is significantly influenced by many factors including wall thickness, gating, component shape and moulding conditions.The range values stated were determined from specimen bar mouldings of 1.5mm to 4mm wall thickness. They are provided as a guide for comparison purposes only and no guarantee should be inferred from their inclusion. (Specimens measured in the dry state, 24 hours after moulding).
2 .At conventional deflection
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