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Akro-Plastic Akromid® T1 GF 50 9 (3257) PPA Dry, 50% Glass Filled
Categories: Polymer; Thermoplastic; Polyphthalamide (PPA); Polyphthalamide (PPA), 50% Glass Fiber Reinforced

Material Notes: AKROMID® T is characterized primarily by high heat resistance and the lowest moisture absorption of the manufacturer's PA grades, making it particularly suited in the automotive sector for high-temperature applications in the engine compartment and in machine building for components subjected to high mechanical loads. It easily maintains its high initial stability even at temperatures of up to 140 °C and still exhibits excellent creep behavior. This high dimensional stability is further enhanced by the product’s low moisture absorption. Another advantage over PA 6 or PA 6.6 is the improved chemical resistance and high resistance to hydrolytic degradation. These properties – along with the aforementioned advantages in terms of mechanical loading – make the material useful for difficult applications in industrial pumps and fluid filters. Its low water absorption over extended periods is yet another advantage. By modifying the base grades, the material can be suitable for applications requiring a high quality surface finish.

Applications:

    Automotive Sector:
  • Cooling system (thermostat housing, connectors, etc.)
  • Parts in the oil circuit (tensioner bases, etc.)
  • Parts in the brake system (valve bodies, etc.)
  • Clutch components (central clutch release bearing, etc.)
  • Air ducting parts (side pieces for charge-air coolers, control shafts, etc.)
  • Parts subjected to high loads in the interior (centre armrest, etc.)
    Electrical Engineering:
  • Mobile telephone parts (chip carrier, etc.)
  • Coil formers
  • Motor parts (brush holders, etc.)
  • Plugs and connectors
  • Bulb and LED sockets
    Industry and Household:
  • Heating systems (fan housings, etc.)
  • Components for coffee machines (grades compliant with KTW- German recommendation for polymers in drinking-water systems)
  • Water counters and water filters (KTW-compliant, hot water)
  • Pump systems (misc. functional parts)

Information from Akro-Plastic

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Physical PropertiesOriginal ValueComments
Density 1.62 g/cc
@Temperature 23.0 °C
ISO 1183
Filler Content 50 %ISO 1172
Moisture Absorption 0.95 %
@Temperature 70.0 °C
62% r.h.; ISO 62
Linear Mold Shrinkage, Flow 0.0020 cm/cmISO 294-4
Linear Mold Shrinkage, Transverse 0.0070 cm/cmISO 294-4
 
Mechanical PropertiesOriginal ValueComments
Ball Indentation Hardness 340 MPaISO 2039-1
Tensile Strength at Break 290 MPa5 [mm/min]; ISO 527-1/2
 145 MPa
@Treatment Temp. 150 - 160 °C,
Time 1.80e+7 sec
5 [mm/min], 50% Loss of Tensile Strength; ICE 216
 145 MPa
@Treatment Temp. 130 - 140 °C,
Time 7.20e+7 sec
5 [mm/min], 50% Loss of Tensile Strength; ICE 216
Elongation at Break 2.1 %5 [mm/min]; ISO 527-1/2
Tensile Modulus 19500 MPa1[mm/min]; ISO 527-1/2
Flexural Strength 390 MPa2 [mm/min]; ISO 178
Flexural Modulus 17000 MPa2 [mm/min]; ISO 178
Flexural Strain at Break 2.6 %2 mm/min; ISO 178
Shear Modulus 0.350 GPa
@Temperature 350 °C
 0.400 GPa
@Temperature 300 °C
 0.500 GPa
@Temperature 250 °C
 0.600 GPa
@Temperature 200 °C
 2.00 GPa
@Temperature 150 °C
 3.00 GPa
@Temperature 100 °C
 4.00 GPa
@Temperature 0.000 °C
Charpy Impact Unnotched 80.0 kJ/m²
@Temperature -30.0 °C
ISO 179/1eU
 90.0 kJ/m²
@Temperature 23.0 °C
ISO 179/1eU
Charpy Impact, Notched 1.40 J/cm²
@Temperature 23.0 °C
ISO 179-1/1eA
 1.40 J/cm²
@Temperature -30.0 °C
ISO 179-1/1eA
 
Electrical PropertiesOriginal ValueComments
Comparative Tracking Index 600 VTest Solution A; IEC 60112
 
Thermal PropertiesOriginal ValueComments
Melting Point 308 °CISO 11357-1, DSC,10 [K/min]
Deflection Temperature at 1.8 MPa (264 psi) 275 °CHDT/A; ISO 75-1/2
Deflection Temperature at 8.0 MPa 205 °CHDT/C; ISO 75-1/2
Flammability, UL94 HB
@Thickness 0.800 mm
Glow Wire Ignition Temperature 725 °C
@Thickness 1.60 mm
IEC 60695-2-13
Glow Wire Flammability Index 700 °C
@Thickness 1.60 mm
IEC 60695-2-12
 
Processing PropertiesOriginal ValueComments
Feed Temperature 80.0 - 95.0 °C
Nozzle Temperature 320 - 330 °C
Zone 1 310 - 320 °C
Zone 2 315 - 325 °C
Zone 3 320 - 335 °C
Zone 4 320 - 335 °C
Melt Temperature 325 - 340 °C
Mold Temperature 100 - 130 °C
Drying Temperature 90.0 °C
Dry Time 2 - 16.0 hour
Moisture Content <= 0.10 %
Hold Pressure 30.0 - 80.0 MPa
Back Pressure 0.200 - 0.650 MPa
 
Descriptive Properties
Acetic acidFail100% Conc
AcetonePass100% Conc
CresolFail100% Conc
Diesel fuel (DIN 51601)Pass100% Conc
Engine oilPass100% Conc
EthanolPass96% Conc
Ethylene glycol/waterPass120°C, 50% Conc
Formic acidFail100% Conc
Hydraulic oilPass100% Conc
Injection Speedaverage to high
IsopropanolPass100% Conc
KerosenePass100% Conc
MethanolPass100% Conc
PetrolPass100% Conc
PhenolFail100% Conc
Rate acc. FMVSS 302 (<100/min)Passed
Rate acc. FMVSS 302,(<100/min)FMVSS 302, >1 [mm] Thickness
Silicone oilPass
Sulfuric AcidFail96% Conc
ToluenePass100% Conc
Urea, aqueousPass20% Conc
WaterPass100% Conc
XylenePass100% Conc
Zinc chloride, aqueousPass50% Conc

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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