Commodity Plastics
EVA Med VA Injection — Ethylene Vinyl Acetate (Medium VA) for Injection Molding
Medium vinyl acetate content EVA (typically 15-28% VA) exhibits rubber-like elasticity, good flexibility, and impact absorption. It is commonly used in injection molding for shoe midsoles, sports equipment, gaskets, wire and cable insulation, and flexible tubing.
EVAVamacNucrel
Manufacturers
3
Grades
3
Applications
4
Equivalents
2
Physical Properties
- Density
- 0.930-0.950 g/cm³
- Water Absorption (24h)
- <0.2 %
- Transparency
- Translucent to opaque
- Shrinkage
- 2-4 %
Mechanical Properties
- Young's Modulus
- 0.05-0.2 GPa
- Tensile Strength
- 5-15 MPa
- Elongation at Break
- 300-700 %
- Impact Strength (Izod)
- No Break
Thermal Properties
- Glass Transition Temperature
- -60 to -40 °C
- Melting Point
- 50-75 °C
- Continuous Service Temperature
- 40-50 °C
- Heat Deflection Temperature
- 10-20 °C
Electrical Properties
- Dielectric Constant
- 2.3-2.8
- Volume Resistivity
- 10¹³-10¹⁴ Ω⋅cm
- Dielectric Strength
- 10-20 kV/mm
Chemical Resistance
- Acids
- Good resistance
- Bases
- Good resistance
- Solvents
- Good resistance at room temp, swells in hot aromatic and chlorinated hydrocarbons
- UV Resistance
- Poor (requires stabilization)
Sustainability
- Recyclability
- Recyclable
- Recycling Code
- 4 (PE-LD or PE-LLD)
- Carbon Footprint
- Moderate
Manufacturing compatibility
Injection moldingExtrusion
Applications
Shoe soles
Flexible gaskets
Wire and cable insulation
Toys
Available grades
EVA 280EVA 450EVA 350