Express courier. Direct.
Also overnight.
x25pronto Switzerland takes goods direct to the destination. Small loads go by car. Larger loads go by van or Van XL. Direct, express and overnight trips run Monday to Sunday when a slot is free. Free times are shown in the booking calendar. This keeps the plan clear.
Material comparison: antistatic films and foam types
Overview of metallized antistatic film, conductive foam, EPE and PU foam. Use cases, protection levels and practical tips for shipping electronic components in Switzerland.
Quick answer
Choose materials by sensitivity and mechanical risk: metallized antistatic film gives ESD dissipation and moisture barrier; conductive (anti‑static) foam secures pins and equalises potential; EPE foam provides light shock absorption; PU foam gives robust cushioning for heavier parts. Combine film and foam to match the component, handling and transport conditions in Switzerland.
Why this comparison matters
Electronic parts can suffer from electrostatic discharge and physical shock. For deliveries within Switzerland using x25pronto, the right inner packaging reduces returns and rework. This guide helps you pick materials and combinations based on fragility, size and shipping conditions.
Metallized antistatic film: ESD and moisture barrier
Properties: metallized film (pink or metallic look) offers charge dissipation and often a moisture barrier. Pros: good ESD path, thin, flexible, space‑saving—suitable for PCBs and exposed contacts. Cons: low mechanical cushioning; may not protect pins from concentrated pressure. Best for: statically sensitive but mechanically stable boards, used with additional padding when needed.
Conductive (anti‑static) foam: contact support and potential equalisation
Properties: conductive foam includes conductive particles to bleed off charge. Pros: holds components and pins securely, prevents contact damage, allows potential equalisation. Cons: may leave residue; needs a moisture barrier for humidity‑sensitive parts. Best for: connectors, ICs with pins, single components inserted into foam.
EPE foam: lightweight and effective shock absorption
Properties: expanded polyethylene (EPE) is a cellular foam with good damping. Pros: light, affordable, moisture resistant, effective against shocks and vibration. Cons: not conductive—no ESD path; combine with metallized film or antistatic layer for ESD‑critical items. Best for: less sensitive housings and modules without exposed contacts.
PU foam: high damping and form stability
Properties: polyurethane foam offers high compressive strength and tailored cut‑outs. Pros: excellent shock protection, abrasion resistant and stable over long transports. Cons: heavier than EPE and not inherently conductive. Use with a metallized or conductive inner layer when ESD control is required. Best for: heavier modules and delicate instruments needing strong mechanical protection.
Practical tips for shipping in Switzerland
- Small, sensitive PCBs: wrap in metallized film, then secure in conductive foam or foam inserts. - Individual connectors/ICs: place in conductive foam and add a moisture barrier for long routes. - Mechanically sturdy modules: use EPE for vibration and impact protection; add antistatic film if needed. - Irregular or heavy parts: custom PU inserts plus an antistatic layer work well. - Labelling: mark ESD‑sensitive parcels so handlers know to minimise unnecessary contact. - Combine layers: barrier (metallized film) plus cushion (foam) is often the safest approach.
Frequently asked questions
Do I need antistatic packaging for every electronic part?
Not always. Exposed pins, PCBs and sensitive ICs require antistatic measures. Fully enclosed or potting‑filled modules are usually less vulnerable. Assess ESD risk during handling and transport.
Can I use EPE with metallized film?
Yes. EPE cushions physically while metallized film provides ESD and moisture protection. This is a cost‑effective solution for many shipments.
How do I avoid residue from conductive foam?
Choose low‑abrasion foam grades or wrap contact areas in a thin metallized film before placing into foam. Test materials with your specific parts.
Which materials are best for repeat reuse?
PU foam and higher‑grade EPE keep shape and protective properties longer. Conductive foam may degrade with frequent insertion cycles. Use reusable inserts for regular shipments.