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Only shielding bags form a Faraday cage. Conductive and dissipative packaging prevents charging inside, but does not protect the contents against an external field.

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ESD Packaging

Synthetic-/foam materials

ESD foam materials and plastic films serve as packaging inserts, embedding material and carrier media for ESD-sensitive components. The range includes pink dissipative PU foams (e.g. Warmbier 4911.0.20, 400x300x20 mm) for direct component contact, PU foam inserts for ESD shipping boxes (Warmbier 4918.1.20), and transparent polyester films in both dissipative and copyable versions. Films are available in A4 format with self-adhesive backing or as a dissipative roll.

  • 127 items
  • 6 manufacturers
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  1. ESD Foam Sheet PUR ELHart Conductive, 353 x 253 x 6 mm, Hard, Black
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    ESD Foam Sheet PUR ELHart Conductive, 353 x 253 x 6 mm, Hard, Black
    €1.86
  2. ESD XLPE foam ELXAC50 conductive, black, 553 x 353 mm, 10 mm thick
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    ESD XLPE foam ELXAC50 conductive, black, 553 x 353 mm, 10 mm thick
    €6.88
  3. Conductive ESD insertion foam ELS-H (hard)
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    Conductive ESD insertion foam ELS-H (hard)
    As low as €1.67
  4. ESD Foam XLPE ASXAC40 Dissipative, 353 x 253 mm, 10 mm Thick
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    ESD Foam XLPE ASXAC40 Dissipative, 353 x 253 mm, 10 mm Thick
    €2.35
  5. ESD Foam Sheet XLPE ELXAC50 Conductive, 353 x 253 x 15 mm, Black
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    ESD Foam Sheet XLPE ELXAC50 Conductive, 353 x 253 x 15 mm, Black
    €4.50
  6. ESD Foam Sheet PUR ELHart Conductive, 553 x 353 x 6 mm, Hard, Black
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    ESD Foam Sheet PUR ELHart Conductive, 553 x 353 x 6 mm, Hard, Black
    €3.00
  7. Conductive PU foam, self-adhesive, 250 x 350 mm, 15 mm thick
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    Conductive PU foam, self-adhesive, 250 x 350 mm, 15 mm thick
    €8.99
  8. Conductive PUR Foam Self-Adhesive 350 x 550 mm, Height 15 mm
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    Conductive PUR Foam Self-Adhesive 350 x 550 mm, Height 15 mm
    €11.62
  9. ESD Egg-Box Foam Insert Pink Dissipative 380 x 280 x 20 mm
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    ESD Egg-Box Foam Insert Pink Dissipative 380 x 280 x 20 mm
    €25.39
  10. XLPE Foam ASXAC40 dissipative pink, 553 x 353 mm, 6 mm thick
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    XLPE Foam ASXAC40 dissipative pink, 553 x 353 mm, 6 mm thick
    €2.82
  11. Conductive PUR Foam Self-Adhesive 350 x 550 mm, Height 6 mm
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    Conductive PUR Foam Self-Adhesive 350 x 550 mm, Height 6 mm
    €9.81
  12. Convoluted foam, pink, dissipative, self-adhesive, 250 x 350 x 40 mm
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    Convoluted foam, pink, dissipative, self-adhesive, 250 x 350 x 40 mm
    €9.77
  13. PUR ESD Foam ELHart Conductive Black 1000 x 1000 x 6 mm
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    PUR ESD Foam ELHart Conductive Black 1000 x 1000 x 6 mm
    €12.03
  14. Convoluted foam, black, conductive, self-adhesive, 350 x 550 x 40 mm
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    Convoluted foam, black, conductive, self-adhesive, 350 x 550 x 40 mm
    €12.20
  15. ESD PUR foam EL23 conductive, black, 353 x 253 mm, 15 mm thick
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    ESD PUR foam EL23 conductive, black, 353 x 253 mm, 15 mm thick
    €2.52
  16. Pink dissipative convoluted foam, height 30 mm, 350 x 550 mm
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    Pink dissipative convoluted foam, height 30 mm, 350 x 550 mm
    €9.32
  17. ESD PUR foam EL23 nubbed, conductive, 353 x 253 mm, 15 mm
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    ESD PUR foam EL23 nubbed, conductive, 353 x 253 mm, 15 mm
    €1.93
  18. Polyesterfolie 2-seit. ableitend, kopierf, ROLLE
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    Polyesterfolie 2-seit. ableitend, kopierf., Rolle
    €56.12
  19. Polyesterfolie A4 kopierfähig, selbstklebend
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    Polyesterfolie A4 kopierfähig, selbstklebend
    €134.20
  20. ESD Foam PUR EL23 Conductive, 553 x 353 mm, 10 mm Thick
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    ESD Foam PUR EL23 Conductive, 553 x 353 mm, 10 mm Thick
    €3.26
  21. ESD Foam Sheet XLPE ELXAC50 Conductive, 353 x 253 x 10 mm, Black
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    ESD Foam Sheet XLPE ELXAC50 Conductive, 353 x 253 x 10 mm, Black
    €3.27
  22. ESD Foam XLPE ASXAC40 Dissipative, 353 x 253 mm, 15 mm Thick
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    ESD Foam XLPE ASXAC40 Dissipative, 353 x 253 mm, 15 mm Thick
    €3.12
  23. PUR Foam EL23 Nubbed Conductive, Black, 553 x 353 mm, 15 mm Thick
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    PUR Foam EL23 Nubbed Conductive, Black, 553 x 353 mm, 15 mm Thick
    €3.84
  24. PUR Foam AS35 Dissipative, Pink, 553 x 353 mm, 15 mm Thick
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    PUR Foam AS35 Dissipative, Pink, 553 x 353 mm, 15 mm Thick
    €2.86
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Buying guide

How to choose Synthetic-/foam materials

What matters when choosing: properties, comparison and typical applications.

Technical features

⚡ Dissipative PU foam, pink - surface resistance in the dissipative range, suitable for direct component contact
✓ Form-fit foam inserts - Warmbier 4918 series: tailored for ESD shipping boxes
⚙ Polyester film, dissipative both sides - transparent, available as roll and A4 sheet
📦 Copyable variant - A4 self-adhesive film for accompanying documentation in ESD packaging

Product selection by application

ProductSize / FormatProperty
Warmbier 4911.0.20400 x 300 x 20 mmPU foam, dissipative, pink, smooth
Warmbier 4918.1.20Fits ESD shipping box 5510.918PU foam insert
Polyester film, dissipative 2-sidedRollDissipative, transparent
Polyester film A4, copyableA4Transparent, copyable
Polyester film A4, self-adhesiveA4Copyable, adhesive backing

Typical applications

Typical applications: Component embedding in ESD shipping boxes and transport containers for ICs, MOSFETs and PCBs, protective films for test reports and documentation inside ESD packaging, inserts for precision tools in system cases, and separator layers in magazines for through-hole components and SMD reels.

FAQ

Frequently asked questions about Synthetic-/foam materials

What are ESD foam materials and what industries require them for electronic component protection?
ESD foam materials are specially formulated polyurethane and synthetic foams designed to prevent electrostatic discharge damage during storage and transport of sensitive electronic components. These dissipative foams maintain surface resistivity values between 10^4 to 10^11 ohms per square according to IEC 61340-5-1 standards, providing controlled static elimination. Electronics manufacturing, semiconductor fabrication, automotive electronics assembly, and telecommunications equipment production rely heavily on ESD foam packaging to protect integrated circuits, PCBs, and precision sensors during handling and shipping operations.
How do I select the correct ESD foam thickness and density for my specific electronic components?
ESD foam selection depends on component fragility, packaging dimensions, and required compression resistance characteristics. Standard thicknesses range from 6mm for lightweight ICs to 40mm convoluted foam for heavy assemblies, with the Warmbier ESD polyurethane foams offering consistent 15mm and 30mm options for most applications. Surface resistivity must remain within 10^6 to 10^9 ohms per square for optimal dissipative performance, while foam density typically ranges from 25-35 kg/m³ for adequate cushioning without excessive compression set under repeated loading cycles.
Which international standards govern ESD foam materials for industrial packaging applications?
ESD foam materials must comply with IEC 61340-5-1 for electrostatic discharge control in electronics handling, which defines surface and volume resistivity requirements for dissipative materials. EN 100015-1 establishes packaging standards for electrostatic sensitive devices, while ISO 11607 covers sterile barrier systems where ESD protection intersects with medical device packaging. JEDEC JESD625 provides additional semiconductor-specific requirements for ESD protective packaging materials, mandating triboelectric charge generation limits below 200 volts during normal handling conditions.
What are the differences between conductive, dissipative, and antistatic ESD foam types?
Conductive ESD foams exhibit surface resistivity below 10^4 ohms per square and provide rapid charge dissipation but risk direct discharge damage to sensitive components. Dissipative foams like the Warmbier polyurethane series maintain controlled resistivity between 10^4 to 10^11 ohms per square, offering optimal protection through gradual charge removal over 0.1 to 2 seconds. Antistatic foams exceed 10^11 ohms per square and primarily prevent triboelectric charge generation rather than active dissipation, making them suitable for less sensitive electronic assemblies requiring basic static control.
How should ESD foam be integrated with existing packaging systems and storage containers?
ESD foam integration requires complete static control continuity from foam through packaging materials to grounded handling surfaces. Self-adhesive ESD foams bond directly to conductive container walls maintaining electrical continuity, while loose-laid foams need conductive tapes or grounding straps connecting to container ground points. Standard container dimensions like the 558x358x15mm foam inserts for 600x400mm ESD boxes ensure proper fit with minimal air gaps, and all packaging components must maintain surface resistivity within the 10^4 to 10^11 ohm range to prevent charge accumulation at material interfaces.
What are the operating temperature and humidity limits for ESD foam materials?
Professional-grade ESD polyurethane foams maintain consistent electrical properties across operating temperatures from -40°C to +70°C with relative humidity ranges of 12% to 90% non-condensing conditions. The dissipative carbon loading in quality ESD foams remains stable through thermal cycling per ASTM D1056 compression set testing, ensuring surface resistivity stays within the critical 10^6 to 10^9 ohm range. Extended exposure above 80°C or humidity levels exceeding 95% can degrade the conductive pathways and foam cellular structure, potentially compromising both mechanical cushioning and electrostatic discharge protection performance.
How often should ESD foam be replaced and what inspection criteria indicate deterioration?
ESD foam requires surface resistivity testing every 12 months using a calibrated megohmmeter per IEC 61340-5-1 protocols, with replacement necessary when readings exceed 10^11 ohms per square or fall below 10^4 ohms. Visual inspection should identify compression set exceeding 50% of original thickness, surface cracking, or contamination that affects electrical properties. Typical service life ranges from 3-5 years for quality polyurethane ESD foams under normal warehouse conditions, though high-use packaging applications may require annual replacement to maintain reliable electrostatic discharge protection for sensitive electronic components.