ESD EVA Foam, PE Foam Inserts & Liner Sheets

Stocked item: delivered in 1–2 working days in Ho Chi Minh City, Binh Duong and Dong Nai; free delivery for orders from VND 20,000,000; defective items exchanged within 7 days. Shipping & return policy

Product code: ES-EVA · Specification: ESD EVA foam / foam & ESD plastic liner sheets

ESD EVA Foam, PE Foam & Plastic Liners

Common sizes: EVA roll 1.2×100×1 mm, sheet 2.4 m×2 mm.
Delivery: stocked items are delivered in 24–48 hours (Ho Chi Minh City, Binh Duong, Dong Nai), made-to-order items in 3–7 working days; custom-shaped foam inserts 5 days; availability is confirmed with the quotation.

ESD EVA (black carbon-loaded foam): thin 1 mm rolls with adhesive backing (insulating adhesive) for lining tray bottoms, drawers and bench tops; 2–10 mm sheets cut to line boxes and trays as impact protection for modules and displays; ESD PE foam in pink/black, CNC-cut to the shape of the product (foam inserts); ESD plastic liner sheets (black PP) cut to size, printed with labels, with magnets — used as box dividers and stop plates.

Type	Size	Resistance	Used for
EVA roll with adhesive	1.2 m × 100 m × 1 mm	10⁶–10⁹ Ω	Lining trays, drawers
EVA sheet	1.2 × 2.4 m × 2 / 3 / 5 / 10 mm	10⁶–10⁹ Ω	Lining boxes, dividers
ESD PE foam	Sheet 1 × 2 m × 10–50 mm, CNC-cut	10⁶–10⁹ Ω (black) / <10¹¹ (pink)	Shaped foam inserts
ESD plastic liner sheet	Cut to size, 2–3 mm	10⁶–10⁹ Ω	Dividers, stop plates

MOQ 1 roll/1 sheet; shaped foam inserts from 50 sets.

FAQ
– Does black EVA dissipate charge? — Yes, it is carbon-loaded and measurable; ordinary (coloured) EVA is not.
– Can you make foam inserts to a drawing? — Yes; send a drawing or a product sample.

Materials: EVA, PE and how foam is made antistatic

EVA is an ethylene–vinyl acetate copolymer (vinyl acetate content typically 1–40 %). EVA foam has a closed-cell structure, is soft, resilient, tough at low temperatures and inexpensive — which is why it is used as cushioning for trays, boxes and shaped inserts. EVA and PE themselves are insulators; for use in an EPA, the manufacturer must add one of two mechanisms:

Carbon loaded into the bulk material (black foam): creates conductive paths for charge throughout the foam. This property is permanent and independent of humidity. For example, a Desco qualification report for black lead-insertion foam measured a surface resistance of about 1.0–2.5×10³ Ω at both 12 % RH and 50 % RH.
Amine-based antistatic additive (pink PE foam): the additive migrates to the surface and attracts moisture to form a very thin conductive layer. Its effectiveness depends on humidity and declines over time.

Note: EVA melts at about 90 °C — do not use EVA foam to cushion parts straight out of a drying oven or reflow oven, or near a soldering iron.

Three properties of ESD packaging materials

According to ESDA and Desco, materials that contact or package static-sensitive components are assessed on three independent properties:

Low charging (antistatic): limits the charge generated when components slide or rub against the foam. ESDA notes that this property cannot be inferred from resistance alone.
Dissipative or conductive: allows charge to drain to ground when the foam is placed on a grounded surface.
Shielding: blocks discharges and external electric fields. Foam and PE film usually do not have this property.

Classification according to ANSI/ESD S541 (surface resistance measured per ANSI/ESD STM11.11): conductive < 1×10⁴ Ω; dissipative from 1×10⁴ to < 1×10¹¹ Ω. S541 recommends that materials in direct contact with components be dissipative. The 10⁶–10⁹ Ω range of PRIMEAG’s black EVA and ESD PP liner sheets falls within the dissipative range.

Rolls of black ESD EVA foam in the warehouse

Black foam or pink foam?

Criterion	Black foam (carbon)	Pink PE foam/film (amine)
Mechanism	Carbon in the bulk material	Antistatic agent on the surface
Humidity dependence	Negligible	Yes — worse in dry air
Durability of the property	Permanent, reusable	Temporary; Desco recommends it mainly for single use in shipping
Risks	Choose a non-sloughing grade	Amines can contaminate components and corrode solder joints; Desco reports that pink PE can charge above 300 V when rubbed
Recommended for	Trays, drawers and foam inserts for long-term use in the factory (black EVA 10⁶–10⁹ Ω)	Short-term packing cushioning

ESD foam does not replace shielding bags

A test summarised on Wikipedia: a 1,000 V pulse applied to an ordinary plastic bag drops to about 800 V with an added layer of pink PE, to about 600 V with carbon-loaded black PE, and to only about 20 V with a metallised shielding bag. Therefore:

Inside the EPA: a tray lined with black EVA foam placed on a grounded ESD bench top is sufficient.
Leaving the EPA (transfer to the warehouse, delivery to customers): put components in shielding bags or closed ESD boxes with lids; the foam is only mechanical cushioning.

Adhesive-backed EVA foam rolls with yellow release paper in the warehouse

Incoming and periodic testing

Measure surface resistance with a meter using a concentric-ring or two-point probe at 100 V, at several points on each sheet/lot.
For a meaningful assessment, samples must be conditioned at low humidity (test labs usually condition for 48–72 hours at 12 % RH before measuring). Pink foam that passes in the rainy season may fail in the dry season.
For adhesive-backed EVA rolls stuck into drawers and trays: also measure the resistance from the foam surface to the ground point after application — the adhesive on EVA rolls is an insulating adhesive, so charge cannot drain through the bonded face, and a separate ground path is needed for the foam layer (ground snap or ground cord).
CNC-cut foam inserts: blow off cutting dust before taking them into clean areas; visually check for black particles on light-coloured products.

Common mistakes

Using ordinary coloured EVA foam (blue, white, red) for components just because it “looks like” ESD foam — this type has no measurable resistance.
Storing components in pink foam for long periods, especially in dry air-conditioned warehouses.
Placing ESD foam trays on ungrounded wooden benches or painted racks — the charge has no path to drain.
Treating ESD foam as the only protection when shipping outside the EPA.

Technical references

Price: from 4,800,000 VND (excl. 8% VAT).

REQUEST A QUOTE: send the quantity and specifications you need — PRIMEAG quotes within 30 minutes.

Hotline/Zalo +84 906 108 292 · info@primeag.vn

Written by the PRIMEAG engineering team.

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Updated: 2026-10-23

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ESD EVA Foam & Liner Sheets