Commodity Plastics
EVOH 44 mol% Barrier — Ethylene Vinyl Alcohol Copolymer (44 mol% VA) for Barrier Applications
EVOH with a higher vinyl acetate content (44 mol%) provides enhanced gas barrier properties, particularly at higher humidity levels, and improved melt strength. This makes it suitable for more demanding applications where maximum shelf life is required, such as retort pouches and high-barrier films.
EVOHSoarnoLEVAL
Manufacturers
3
Grades
3
Applications
4
Equivalents
2
Physical Properties
- Density
- 1.18-1.22 g/cm³
- Water Absorption (24h)
- 4-6 % (highly hygroscopic)
- Transparency
- Good
- Shrinkage
- 1-3 %
Mechanical Properties
- Young's Modulus
- 1.5-2.5 GPa
- Tensile Strength
- 40-55 MPa
- Elongation at Break
- 15-30 %
- Impact Strength (Izod)
- 50-100 J/m
Thermal Properties
- Glass Transition Temperature
- 45-55 °C
- Melting Point
- 170-180 °C
- Continuous Service Temperature
- 50-60 °C
- Heat Deflection Temperature
- 50-60 °C
Electrical Properties
- Dielectric Constant
- 3.5-4.5
- Volume Resistivity
- 10¹⁰-10¹² Ω⋅cm
- Dielectric Strength
- 15-25 kV/mm
Chemical Resistance
- Acids
- Good resistance
- Bases
- Good resistance
- Solvents
- Insoluble in most common solvents, but sensitive to moisture
- UV Resistance
- Poor
Sustainability
- Recyclability
- Challenging due to multilayer structures
- Recycling Code
- Depends on multilayer
- Carbon Footprint
- Moderate
Manufacturing compatibility
Co-extrusion
Applications
High-barrier food packaging
Retort pouches
Medical packaging
Automotive fuel tanks
Available grades
EVAL LF4001EVAL LF4201EVAL E101