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Ensinger PEI

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Akro-Plastic Akrotek® PK-VM (4774) PK Dry
Categories: Polymer; Thermoplastic; Polyketone
Material Notes: The renaissance of this polymer came about with an environmental program aimed at reducing greenhouse gases. The comonomer is CO (carbon monoxide), an industrial „waste” gas, which forms an unusual product when bonding with the polymer. The terpolymer, which forms the basis of most AKROTEK® PK formulations when using the monomers ethylene and propylene, currently has the greatest significance. AKRO-PLASTIC GmbH produces two product families from this base polymer (HM = normal flow and VM = very easy-flowing), based on the former portfolio of the Shell AG, from non-reinforced to high-glass-fibre-reinforced standards, from flame-retardant to carbon-fibre-reinforced custom grades

The characteristic properties of these properties include:

  • excellent dynamic resilience
  • good barrier properties
  • good tribological properties
  • high resistance to chemicals
  • good hydrolysis resistance
  • shorter cycle times
Application areas:
  • Industry
  • Automotive industry
  • Electronics/Electrical

Information provided by Akro-Plastic GmbH
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 1.24 g/ccISO 1183
Moisture Absorption 0.80 - 0.90 %
@Temperature 70.0 °C		Humidity, 62% RH; ISO 1110
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 60.0 MPa50 [mm/min]; ISO 527-2
 12.0 MPa
@Temperature 80.0 °C		6 months in Dimethyl formamide
 16.2 MPa
@Temperature 80.0 °C		6 months in Tetrachloroethylene
 16.8 MPa
@Temperature 80.0 °C		3 months in Sulfuric acid 40%
 18.0 MPa
@Temperature 80.0 °C		6 months in Acetic acid 5%
 18.0 MPa
@Temperature 80.0 °C		3 months in Sulfuric acid 5%
 40.8 MPa
@Temperature 23.0 °C		12 months in Ammonium hydroxide 10%
 52.8 MPa
@Temperature 23.0 °C		12 months in Dichloroethane
 53.4 MPa
@Temperature 23.0 °C		12 months in Gasohol M-85 (unleaded, 15% methanol)
 53.4 MPa
@Temperature 23.0 °C		12 months in Methanol
 54.0 MPa
@Temperature 120 °C		3 months in Antifreeze 100% ethylene glycol
 54.0 MPa
@Temperature 80.0 °C		12 months in Butyl acetate
 54.0 MPa
@Temperature 23.0 °C		12 months in Dimethyl formamide
 55.2 MPa
@Temperature 45.0 °C		12 months in Gasohol (unleaded, 10% methanol)
 55.2 MPa
@Temperature 23.0 °C		12 months in Ethanol 95%
 55.2 MPa
@Temperature 23.0 °C		12 months in Tetrachloroethylene
 56.4 MPa
@Temperature 23.0 °C		12 months in Gasohol (unleaded, 10% methanol)
 57.0 MPa
@Temperature 23.0 °C		1 month in Methanol
 57.6 MPa
@Temperature 23.0 °C		12 months in Zinc chloride 10%
 57.6 MPa
@Temperature 23.0 °C		6 months in Methylethylketone
 63.6 MPa
@Temperature 120 °C		6 months in Motor oil 10W-40
 63.6 MPa
@Temperature 80.0 °C		6 months in Sodium hypochlorite 4.6%
 64.8 MPa
@Temperature 45.0 °C		12 months in Antifreeze 50%, water 50%
 65.4 MPa
@Temperature 45.0 °C		12 months Automatic transmission fluid
 66.0 MPa
@Temperature 120 °C		6 months in Brake fluid
 66.0 MPa
@Temperature 80.0 °C		12 months in Toluene
 66.6 MPa
@Temperature 45.0 °C		12 months in Hydraulic fluid
 68.4 MPa
@Temperature 80.0 °C		3 months in Sodium hydroxide 1%
 69.0 MPa
@Temperature 80.0 °C		6 months in Ammonium hydroxide 10%
 72.6 MPa
@Temperature 80.0 °C		12 months in Heptane
 72.6 MPa
@Temperature 80.0 °C		6 months in Sodium chloride 10%
Elongation at Break >= 200 %50 [mm/min]; ISO 527-2
Tensile Modulus 1500 MPa1 [mm/min]; ISO 527-2
Flexural Strength 70.0 MPa2 [mm/min]; ISO 178
Flexural Modulus 1900 MPa2 [mm/min]; ISO 178
Charpy Impact Unnotched NB
@Temperature 23.0 °C		ISO 179/1eU
 NB
@Temperature -30.0 °C		ISO 179/1eU
Charpy Impact, Notched 3.50 kJ/m²
@Temperature -30.0 °C		ISO 179/1eA
 10.0 kJ/m²
@Temperature 23.0 °C		ISO 179/1eA
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+13 ohm-cmIEC 60093
Surface Resistance 1.00e+13 ohmIEC 60093
 
Thermal PropertiesOriginal ValueComments
Melting Point 220 °CDIN EN 11357-1
Deflection Temperature at 1.8 MPa (264 psi) 85.0 °CHDT/A; ISO 75
Flammability, UL94 HB
@Thickness 1.60 mm
 
Processing PropertiesOriginal ValueComments
Feed Temperature 60.0 - 80.0 °C
Nozzle Temperature 230 - 250 °C
Zone 1 210 - 250 °C
Zone 2 210 - 250 °C
Zone 3 210 - 250 °C
Zone 4 210 - 250 °C
Melt Temperature 230 - 250 °C
Mold Temperature 60.0 - 80.0 °C
Drying Temperature 60.0 - 80.0 °C
Dry Time <= 4.00 hour
Back Pressure 30.0 - 80.0 MPa
 
Descriptive Properties
Resistance to Acetic Acid1% Change in Volume5% Conc., 12 months at 23°C
 1% Change in Volume5% Conc., 6 months at 80°C
 3% Change in Weight5% Conc., 12 months at 23°C
 3% Change in Weight5% Conc., 6 months at 80°C
Resistance to Acetone2% Change in Volume12 months at 23°C
 5% Change in Volume12 months at 80°C
 5% Change in Weight12 months at 23°C
 5% Change in Weight12 months at 80°C
Resistance to Ammonium hydroxide 10%0% Change in Volume12 months at 23°C
 0% Change in Weight12 months at 23°C
 -3% Change in Volume6 months at 80°C
 -5% Change in Weight6 months at 80°C
Resistance to Antifreeze 50%, 50% water0% Change in Volume24 months at 23°C
 0% Change in Weight24 months at 23°C
 1% Change in Volume12 months at 45°C
 1% Change in Weight12 months at 45°C
Resistance to Antifreeze, 100% ethylene glycol0% Change in Volume24 months at 23°C
 0% Change in Weight24 months at 23°C
 5% Change in Volume3 months at 120°C
 5% Change in Weight3 months at 120°C
Resistance to Automatic transmission fluid0% Change in Volume24 months at 23°C
 0% Change in Volume12 months at 45°C
 0% Change in Weight24 months at 23°C
 0% Change in Weight12 months at 45°C
Resistance to Brake fluid0% Change in Volume24 months at 23°C
 0% Change in Weight24 months at 23°C
 5% Change in Volume6 months at 120°C
 5% Change in Weight6 months at 120°C
Resistance to Butyl acetate0% Change in Volume12 months at 23°C
 0% Change in Weight12 months at 23°C
 2% Change in Volume12 months at 80°C
 2% Change in Weight12 months at 80°C
Resistance to Calcium Chloride0% Change in Volume12 months at 23°C
 0% Change in Weight12 months at 23°C
Resistance to Chassis lube0% Change in Volume24 months at 23°C
 0% Change in Weight24 months at 23°C
 -1% Change in Volume6 months at 120°C
 -1% Change in Weight6 months at 120°C
Resistance to Dichloroethane0% Change in Volume12 months at 23°C
 0% Change in Weight12 months at 23°C
Resistance to Dimethyl formamide0% Change in Volume12 months at 23°C
 2% Change in Weight12 months at 23°C
 Samples swell and slowly dissolve6 months at 80°C, change in weight
 Samples swell and slowly dissolve6 months at 80°C, change in volume
Resistance to Ethanol1% Change in Volume95% Conc., 12 months at 23°C
 2% Change in Volume95% Conc., 12 months at 65°C
 2% Change in Weight95% Conc., 12 months at 23°C
 2% Change in Weight95% Conc., 12 months at 65°C
Resistance to Gasohol (unleaded, 10% methanol)0% Change in Volume12 months at 23°C
 1% Change in Weight12 months at 23°C
 3% Change in Weight12 months at 45°C
 5% Change in Volume12 months at 45°C
Resistance to Gasohol M-25 (unleaded, 15% methanol)0% Change in Volume1 month at 23°C
 1% Change in Weight1 month at 23°C
 3% Change in Volume12 months at 23°C
 5% Change in Weight12 months at 23°C
Resistance to Heptane0% Change in Volume12 months at 23°C
 0% Change in Volume12 months at 80°C
 0% Change in Weight12 months at 23°C
 0% Change in Weight12 months at 80°C
Resistance to Hydraulic fluid0% Change in Volume12 months at 45°C
 0% Change in Volume24 months at 23°C
 0% Change in Weight24 months at 23°C
 0% Change in Weight12 months at 45°C
Resistance to Hydrochloric acid0% change in volume10% Conc., 1 months at 80°C
 0% change in volume10% Conc., 12 months at 23°C
 2% change in weight10% Conc., 1 months at 80°C
 2% change in weight10% Conc., 12 months at 23°C
Resistance to Jet fuel A0% Change in Volume24 months at 23°C
 0% Change in Weight24 months at 23°C
 1% Change in Weight12 months at 45°C
 2% Change in Volume12 months at 45°C
Resistance to Methanol1% Change in Volume1 month
 2% Change in Weight1 month
 2% Change in Weight12 months
 3% Change in Volume12 months
Resistance to Methylethylketone2% Change in Volume6 months at 23°C
 2% Change in Weight6 months at 23°C
Resistance to Motor oil (SAE 10W-40)0% Change in Volume24 months at 23°C
 0% Change in Weight24 months at 23°C
 0% Change in Weight6 months at 120°C
 -1% Change in Volume6 months at 120°C
Resistance to MTBE1% Change in Volume12 months at 23°C
 1% Change in Weight12 months at 23°C
Resistance to Sodium Chloride 10%0% Change in Volume12 months at 23°C
 0% Change in Weight12 months at 23°C
 0% Change in Weight6 months at 80°C
 -1% Change in Volume6 months at 80°C
Resistance to Sodium hydroxide 10%0% Change in Volume12 months at 23°C
 1% Change in Weight12 months at 23°C
 5% Change in Volume3 months at 80°C
 5% Change in Weight3 months at 80°C
Resistance to Sodium hypochlorite 4.6%-1% Change in Volume6 months at 80°C
 -1% Change in Volume12 months at 23°C
 -1% Change in Weight12 months at 23°C
 -2% Change in Weight6 months at 80°C
Resistance to Sulfuric acid0% change in volume40% Conc., 12 months at 23°C
 0% change in volume5% Conc., 12 months at 23°C
 0% change in weight40% Conc., 12 months at 23°C
 -1% change in volume5% Conc., 3 months at 80°C
 -1% change in volume40% Conc., 3 months at 80°C
 1% change in weight5% Conc., 12 months at 23°C
 -1% change in weight5% Conc., 3 months at 80°C
 -1% change in weight40% Conc., 3 months at 80°C
Resistance to Tetrachloroethylene0% Change in Volume12 months at 23°C
 1% Change in Weight12 months at 23°C
 2% Change in Volume6 months at 80°C
 3% Change in Weight6 months at 80°C
Resistance to Toluene0% Change in Volume12 months at 23°C
 1% Change in Volume12 months at 80°C
 1% Change in Weight12 months at 23°C
 4% Change in Weight12 months at 80°C
Resistance to Trichlorethane0% Change in Volume12 months at 23°C
 1% Change in Volume12 months at 80°C
 1% Change in Weight12 months at 23°C
 5% Change in Weight12 months at 80°C
Resistance to Unleaded gasoline0% Change in Volume12 months at 23°C
 0% Change in Weight12 months at 23°C
 1% Change in Weight12 months at 45°C
 3% Change in Volume12 months at 45°C
Resistance to Xylene0% Change in Volume6 months at 23°C
 0% Change in Weight6 months at 23°C
Resistance to Zinc chloride 10%2% Change in Weight12 months at 23°C
 3% Change in Volume12 months at 23°C

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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