AES (high-impact)
General information
Designation
Acrylonitrile Ethylene Styrene (High-impact)
Tradenames
Diamond, KumhoSunny, SAXATEC, Southland, TECHNO, UNIBRITE
Typical uses
Outdoor applications: automotive parts such exterior trims, automotive interior parts, household goods, electrical parts, pool steps.
Composition overview
Compositional summary
Block terpolymer of acrylonitrile (15-35%), ethylene (5-30%), and styrene (40-60%).
Material family Plastic (thermoplastic, amorphous)
Base material AES (Acrylonitrile ethylene styrene)
Additive Impact modifier
Polymer code AES
Composition detail (polymers and natural materials)
Polymer * 85 - 95 %
Impact modifier * 5 - 15 %
Price
Price * 2,79 - 2,87 EUR/kg
Price per unit volume * 2,86e3 - 2,99e3 EUR/m^3
Physical properties
Density 1,03e3 - 1,05e3 kg/m^3
Mechanical properties
Young's modulus 2,02 - 2,12 GPa
Specific stiffness 1,95 - 2,05 MN.m/kg
Yield strength (elastic limit) 38,9 - 51,3 MPa
Tensile strength 39 - 48 MPa
Specific strength 37,6 - 49,6 kN.m/kg
Elongation 22 - 45 % strain
Compressive modulus * 2,02 - 2,12 GPa
Compressive strength * 48,1 - 56,1 MPa
Flexural modulus 2,14 - 2,31 GPa
Flexural strength (modulus of rupture) 62,2 - 76,4 MPa
Shear modulus * 0,721 - 0,758 GPa
Shear strength * 24,1 - 28,1 MPa
Bulk modulus 3,37 - 3,54 GPa
Poisson's ratio * 0,39 - 0,41
Shape factor 1,95
Hardness - Vickers * 11 - 12 HV
Hardness - Rockwell R 89 - 114
Elastic stored energy (springs) 372 - 626 kJ/m^3
Fatigue strength at 10^7 cycles * 16 - 18,7 MPa
Impact & fracture properties
Fracture toughness * 3,39 - 4,1 MPa.m^0.5
Toughness (G) 5,59 - 8,07 kJ/m^2
Impact strength, notched 23 °C 25,5 - 39,7 kJ/m^2
Impact strength, notched -30 °C 8 - 15 kJ/m^2
Impact strength, unnotched 23 °C 590 - 600 kJ/m^2
Impact strength, unnotched -30 °C 60 kJ/m^2
Thermal properties
Glass temperature * 79,2 - 93,2 °C
Heat deflection temperature 0.45MPa 77 - 92 °C
Heat deflection temperature 1.8MPa 77,2 - 90 °C
Vicat softening point 91 - 97 °C
Maximum service temperature * 60 - 80 °C
Minimum service temperature * -45 - -35 °C
Specific heat capacity * 1,35e3 - 1,41e3 J/kg.°C
Thermal expansion coefficient 76 - 90 µstrain/°C
Thermal shock resistance 222 - 307 °C
Electrical properties
Electrical resistivity 1e20 µohm.cm
Electrical conductivity 1,72e-18 %IACS
Dielectric constant (relative permittivity) 5,16 - 5,59
Dissipation factor (dielectric loss tangent) * 0,208 - 0,3
Dielectric strength (dielectric breakdown) * 45,7 - 50,3 MV/m
Comparative tracking index 400 - 600 V
Magnetic properties
Magnetic type Non-magnetic
Optical, aesthetic and acoustic properties
Transparency Opaque
Acoustic velocity 1,4e3 - 1,43e3 m/s
Mechanical loss coefficient (tan delta) * 0,016 - 0,0211
Healthcare & food
Food contact Yes
Restricted substances risk indicators
RoHS (EU) compliant grades? True
REACH Candidate List indicator (0-1, 1 = high risk) 0
SIN List indicator (0-1, 1 = high risk) 0
Critical materials risk
Contains >5wt% critical elements? No
Absorption & permeability
Water absorption @ 24 hrs 0,3 %
Permeability (O2) * 47,3 - 78,5 cm³.mm/m².day.atm
Processing properties
Polymer injection molding Excellent
Polymer extrusion Excellent
Polymer thermoforming Excellent
Linear mold shrinkage 0,4 - 0,9 %
Melt temperature 200 - 272 °C
Mold temperature 50 - 80 °C
Molding pressure range * 70 - 140 MPa
Durability
Water (fresh) Excellent
Water (salt) Excellent
Weak acids Excellent
Weak alkalis Excellent
Strong alkalis Excellent
UV radiation (sunlight) Good
Flammability Highly flammable
Primary production energy, CO2 and water
Embodied energy, primary production * 95,6 - 105 MJ/kg
CO2 footprint, primary production * 3,77 - 4,16 kg/kg
Water usage 151 - 167 l/kg
Processing energy, CO2 footprint & water
Polymer extrusion energy * 5,55 - 6,12 MJ/kg
Polymer extrusion CO2 * 0,416 - 0,459 kg/kg
Polymer extrusion water * 4,9 - 7,06 l/kg
Polymer molding energy * 10,8 - 11,9 MJ/kg
Polymer molding CO2 * 0,81 - 0,89 kg/kg
Polymer molding water * 9,7 - 13,9 l/kg
Coarse machining energy (per unit wt removed) * 0,95 - 1,05 MJ/kg
Coarse machining CO2 (per unit wt removed) * 0,071 - 0,079 kg/kg
Fine machining energy (per unit wt removed) * 5,26 - 5,8 MJ/kg
Fine machining CO2 (per unit wt removed) * 0,395 - 0,435 kg/kg
Grinding energy (per unit wt removed) * 10 - 11,1 MJ/kg
Grinding CO2 (per unit wt removed) * 0,75 - 0,83 kg/kg
Recycling and end of life
Recycle True
Embodied energy, recycling * 29,5 - 32,5 MJ/kg
CO2 footprint, recycling * 1,2 - 1,32 kg/kg
Downcycle True
Combust for energy recovery True
Heat of combustion (net) * 38 - 39,9 MJ/kg
Combustion CO2 * 3,14 - 3,16 kg/kg
Landfill True
Biodegrade False
Geo-economic data for principal component
Principal component AES
