Plastic Fantastic Library
Material
Name: |
ethylene vinyl acetate copolymer |
Productname: |
EVA |
Commercial names |
Braskem |
Type(s) |
elastomer thermoplastic |
Group |
vinylpolymer |
Group of plastic materials |
adhesive commodity plastic domestic plastic |
Alternative for |
natural rubber vinyl chloride/vinyl acetate copolymer polyvinyl chloride polyvinyl chloride plasticised |
Compared to non-plastics
Eco-properties
CO2 footprint | 3.19 kg/kg |
eco-indicator | 260 mpoints/kg |
embodied energy | 95.8 MJ/kg |
polymer molding CO2 footprint | 0.707 kg/kg |
polymer molding energy | 8.84 MJ/kg |
recycle fraction | 6 - 10 % |
recycling CO2 footprint | 1.34 kg/kg |
recycling emb energy | 40.2 MJ/kg |
water usage | 289 l/kg |
Environmental impact
Processing methods
extrusion | |
injection moulding |
Reinforced
Mechanical properties
compressive strength | 19.8 M Pa |
density | 955 kg/m3 |
elongation | 770 % |
fatigue strength (at 10^7 cycles) | 12.8 M Pa |
fracture toughness | 0.7 M Pa |
hardness (shore D) | 45 shore D |
tensile strength | 20 M Pa |
yield strength | 18 M Pa |
young modulus | 0.04 G Pa |
Sensorial properties
Thermal properties
glass transition temperature | -23.2 °C |
max. service temperature | 51.9 °C |
specific heat capacity | 2200 J/kgK |
thermal conductivity | 0.4 W/mK |
thermal conductor or insulator | good insulator |
thermal expansion coefficent | 190 µstrain/°C |
Optical properties
transparency | opacity |
colour fastness | poor |
colour stability | poor |
gloss finish | medium |
UV light resistance | poor |
Every day use properties
better scratch resistance than PP | medium |
chemical stability | medium |
flame retardent | poor |
high impact | medium |
hot water resistance | good |
ice cold water resistance | good |
indoor heat resistance | good |
long-term serviceability | good |
outdoor heat resistance | good |
outdoor UV resistance | poor |
outdoor weatherability | good |
practical toughness | good |
resistance to oils and fats | medium |
resistance to petrol | medium |
electrical properties
dielectric constant | 2.95 |
dielectric strength | 27000000 V/m |
dissipation factor | 0.022 |
electrical conductor or insulator | good insulator |
electrical resistivity | 1.00E+22 µohm.cm |
Applications
running shoes inflatable parts ice trays cable insulation gloves laminated structures deep freeze bags shrink film bags milk packaging medical tubes |