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Amatrium Materials AI
Dow Elvax® 40L-03 Ethylene-Vinyl Acetate Copolymer Resin
Categories: Polymer; Thermoplastic; Ethylene Vinyl Acetate; Ethylene Vinyl Acetate Copolymer (EVA), Wire/Cable Grade

Material Notes: Elvax® 40L-03 is an ethylene-vinyl acetate copolymer that is useful in many wire and cable applications because of its excellent mechanical, thermal, and low-smoke properties. The melt index is appropriate for convenient compounding and extrusion. The melt index is consistent because resin molecular weight distribution is controlled to within a relatively narrow range. The molecular weight is high, so finished products will be relatively resistant to mechanical damage and elevated temperatures.

Compared with other ethylene-vinyl acetate copolymers, Elvax® 40L-03 contains extremely low amounts of gel, or high molecular weight polymer, that can cause undesirable characteristics in finished products

Because Elvax® 40L-03 is somewhat crystalline, it is free flowing and does not mass during handling.

Typical Applications:

  • Jacketing compounds for automotive ignition and low-smoke cables
  • Strippable semiconductive shields for power cables


  • Narrow molecular weight distribution and low gel properties for consistent and smooth surfaced finished products
  • Stable, long-term cable performance

Information provided by DuPont.

This former DuPont product line is now a Dow product line.

Available Properties
  • Density, ASTM D1505
  • Vinyl Acetate Content, DuPont Method
  • Melt Index of Compound, ASTM D1238-82
  • Hardness, Shore A, ASTM D2240-81
  • Tensile Strength at Break, ASTM D882-83
  • Elongation at Break, ASTM D882-83
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Manufacturer Notes:
Dow Chemical (former DuPont)

Category Notes

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