Commodity Plastics
Ionomer Surlyn Packaging — Ionomer (Surlyn) for High-Performance Packaging
Ionomers are copolymers of ethylene and methacrylic acid metal salts. Surlyn offers exceptional toughness, puncture resistance, excellent sealability (even on contaminated surfaces), and abrasion resistance, making it ideal for lidding films, blister packs, and protective layers.
IonomerSurlynNucrel
Manufacturers
2
Grades
3
Applications
4
Equivalents
2
Physical Properties
- Density
- 0.935-0.950 g/cm³
- Water Absorption (24h)
- <0.5 %
- Transparency
- Good to Excellent
- Shrinkage
- 2-4 %
Mechanical Properties
- Young's Modulus
- 0.2-0.5 GPa
- Tensile Strength
- 20-35 MPa
- Elongation at Break
- 300-600 %
- Impact Strength (Izod)
- Excellent
Thermal Properties
- Glass Transition Temperature
- -80 to -60 °C
- Melting Point
- 90-105 °C
- Continuous Service Temperature
- 50-60 °C
- Heat Deflection Temperature
- 30-40 °C
Electrical Properties
- Dielectric Constant
- 2.3-2.5
- Volume Resistivity
- >10¹⁴ Ω⋅cm
- Dielectric Strength
- 20-30 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 (often as part of multilayer)
- Recycling Code
- 4 (PE-LD or PE-LLD)
- Carbon Footprint
- Moderate
Manufacturing compatibility
Film extrusionCo-extrusionHeat sealing
Applications
Lidding films
Blister packs
Sporting goods
Protective coatings
Available grades
Surlyn 7930Surlyn 1601Nucrel 0609