{"id":2472,"date":"2026-08-02T15:00:00","date_gmt":"2026-08-02T15:00:00","guid":{"rendered":"https:\/\/swesd.com\/blog\/esd-shielding-bag-selection-guide\/"},"modified":"2026-08-02T15:00:00","modified_gmt":"2026-08-02T15:00:00","slug":"esd-shielding-bag-selection-guide","status":"publish","type":"post","link":"https:\/\/swesd.com\/ar\/blog\/esd-shielding-bag-selection-guide\/","title":{"rendered":"How Buyers Should Select an ESD Shielding Bag"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>An ESD shielding bag is a barrier pack that limits electrostatic fields reaching sensitive components during storage and transport; buyers should map barrier class, size, labeling, and any moisture pairing before comparing quotes.<\/strong> Use it to separate shielding, dissipative, and moisture roles in one RFQ. It is a checklist for electronics buyers &#8211; not sizing or approval for esd-shielding-bag-selection-guide.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"Sanwei ESD shielding bag for electronic component storage for esd-shielding-bag-selection-guide\" src=\"https:\/\/swesd.com\/wp-content\/uploads\/2026\/04\/ESD-Shielding-Bag-3.webp\" \/><\/figure>\n<nav class=\"b2b-toc\" style=\"background:#f5f8fa;padding:16px 20px;border-radius:8px;margin:0 0 24px\">\n<h2 id=\"contents\" style=\"margin:42px 0 14px;scroll-margin-top:96px\">Contents<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"#part-1-what-problem-does-an-esd-shielding-bag-solve\">Part 1. What Problem Does an ESD Shielding Bag Solve?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-2-how-should-barrier-class-and-layer-construction-appear\">Part 2. How Should Barrier Class and Layer Construction Appear?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-3-which-size-seal-and-label-fields-belong-in-the-rfq\">Part 3. Which Size, Seal, and Label Fields Belong in the RFQ?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-4-when-should-moisture-and-desiccant-pairing-be-named\">Part 4. When Should Moisture and Desiccant Pairing Be Named?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-5-how-do-trays-and-outer-boxes-complete-the-pack\">Part 5. How Do Trays and Outer Boxes Complete the Pack?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-6-which-sanwei-routes-fit-shielding-bag-quotes\">Part 6. Which Sanwei Routes Fit Shielding-Bag Quotes?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-7-what-are-the-fit-boundaries\">Part 7. What Are the Fit Boundaries?<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-1-what-problem-does-an-esd-shielding-bag-solve\">Part 1. What Problem Does an ESD Shielding Bag Solve?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Shielding bags reduce field coupling onto packaged parts during handling and transit. State whether the bag is for EPA moves, warehouse storage, or outbound shipment.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Readers searching for <strong>\u062d\u0642\u064a\u0628\u0629 \u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0621 \u0627\u0644\u0633\u0627\u0643\u0646\u0629<\/strong> usually need a project checklist, not a catalog slogan.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-2-how-should-barrier-class-and-layer-construction-appear\">Part 2. How Should Barrier Class and Layer Construction Appear?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Ask for construction notes that distinguish shielding films from pink dissipative films, with method and sample condition.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Selection field<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Buyer question<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Evidence<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Barrier class<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Shielding or only dissipative?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Construction note + method<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Size \/ seal<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Will seals stress in transit?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Inner dim + seal style<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Label \/ lot ID<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Can operators read without opening?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Print window sample<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Moisture pairing<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Is dry-pack required?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">MSL note from device owner<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-3-which-size-seal-and-label-fields-belong-in-the-rfq\">Part 3. Which Size, Seal, and Label Fields Belong in the RFQ?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">List inner dimensions, seal style, print windows, and lot ID placement so seals are not stressed in transit.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Important:<\/strong> Do not equate pink dissipative film with a shielding bag. Name barrier class and any moisture pairing in the RFQ before comparing prices. (Source: IEC 61340 packaging guidance \/ device MSL ownership.)<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"Sanwei ESD tray for PCB and component staging - review esd-shielding-bag-selection-guide\" src=\"https:\/\/swesd.com\/wp-content\/uploads\/2026\/03\/ESD-Antistatic-Tray-Electronics-Component-Storage-ESD-PCB-Tray-for-PCB-Colored-ESD-Tray.webp\" \/><\/figure>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-4-when-should-moisture-and-desiccant-pairing-be-named\">Part 4. When Should Moisture and Desiccant Pairing Be Named?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">State whether the shielding bag must work with moisture barrier bags, desiccants, or humidity cards.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-5-how-do-trays-and-outer-boxes-complete-the-pack\">Part 5. How Do Trays and Outer Boxes Complete the Pack?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Define whether trays hold kits after opening and which outer box carries bagged lots between buildings.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-6-which-sanwei-routes-fit-shielding-bag-quotes\">Part 6. Which Sanwei Routes Fit Shielding-Bag Quotes?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Discuss shielding bags with tray and corrugated outer routes when barrier class and size notes are attached.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Project signal<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Sanwei route<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Send with quote<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Metalized shielding packs<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0643\u064a\u0633 \u062a\u062f\u0631\u064a\u0639 ESD<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Size list, barrier class, lot label rules<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Line-side kit after opening<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0635\u064a\u0646\u064a\u0629 ESD<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Kit layout and board sizes<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Outer shipper for bagged lots<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0635\u0646\u062f\u0648\u0642 \u0645\u0645\u0648\u062c ESD<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Stack height and handle needs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/swesd.com\/ar\/%d9%85%d9%86%d8%aa%d8%ac\/esd-shielding-bag\/\">\u0643\u064a\u0633 \u062a\u062f\u0631\u064a\u0639 ESD<\/a> &#8211; metalized shielding pack route for storage and transport.<\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/swesd.com\/ar\/%d9%85%d9%86%d8%aa%d8%ac\/esd-tray\/\">\u0635\u064a\u0646\u064a\u0629 ESD<\/a> &#8211; inner staging tray when kits leave the bag at the line.<\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/swesd.com\/ar\/%d9%85%d9%86%d8%aa%d8%ac\/esd-corrugated-box\/\">\u0635\u0646\u062f\u0648\u0642 \u0645\u0645\u0648\u062c ESD<\/a> &#8211; outer shipper discussion for bagged lots.<\/li>\n<\/ul>\n<p style=\"margin:0 0 16px;line-height:1.7\">Related articles:<br \/>\n\u2013 <a href=\"https:\/\/swesd.com\/ar\/blog\/esd-safe-material-selection-pp-ps-conductive\/\">PP, PS, and conductive polymer selection<\/a><br \/>\n\u2013 <a href=\"https:\/\/swesd.com\/ar\/blog\/ansi-esd-s20-20-iec-61340-buyer-verification\/\">ANSI\/ESD S20.20 and IEC 61340 buyer verification<\/a><br \/>\n\u2013 <a href=\"https:\/\/swesd.com\/ar\/blog\/custom-thermoformed-esd-trays-for-ic-packaging\/\">Custom thermoformed ESD trays for IC packaging<\/a><\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Bring the RFQ notes to the <a href=\"https:\/\/swesd.com\/ar\/esd-box\/\">Sanwei ESD box and packaging range<\/a> discussion, or <a href=\"https:\/\/swesd.com\/ar\/contact-us\/\">contact Sanwei<\/a> with drawings and acceptance owners.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Why not: Do not treat a pink dissipative bag quote as a shielding-bag package without barrier class language.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-7-what-are-the-fit-boundaries\">Part 7. What Are the Fit Boundaries?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">This guide explains selection language for ESD shielding bags. It does not certify attenuation or replace device MSL ownership.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"Sanwei ESD corrugated box with reinforced corners - close esd-shielding-bag-selection-guide\" src=\"https:\/\/swesd.com\/wp-content\/uploads\/2026\/03\/9.webp\" \/><\/figure>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"faq\">\u0623\u0633\u0626\u0644\u0629 \u0645\u062a\u0643\u0631\u0631\u0629<\/h2>\n<h3 style=\"margin:28px 0 12px\">What is an ESD shielding bag?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">It is a barrier pack intended to limit electrostatic fields reaching packaged ESD-sensitive parts during storage or transport.<\/p>\n<h3 style=\"margin:28px 0 12px\">How is a shielding bag different from a pink bag?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Pink dissipative bags manage surface charge; shielding constructions add a barrier role buyers must specify separately.<\/p>\n<h3 style=\"margin:28px 0 12px\">Which size fields matter most?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Inner dimensions, seal style, and whether labels stay readable without opening the pack.<\/p>\n<h3 style=\"margin:28px 0 12px\">When is moisture pairing required?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">When device owners classify parts as moisture-sensitive and require dry-pack controls.<\/p>\n<h3 style=\"margin:28px 0 12px\">Can trays replace shielding bags?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Trays stage kits inside the EPA; they do not automatically replace transit shielding.<\/p>\n<h3 style=\"margin:28px 0 12px\">What should the RFQ attach?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Barrier class notes, size list, labeling rules, and any MSL or dry-pack expectations.<\/p>\n<h3 style=\"margin:28px 0 12px\">Does this page certify attenuation?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">No. Attenuation and acceptance belong to verified test methods and responsible engineers.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"references\">\u0627\u0644\u0645\u0631\u0627\u062c\u0639<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.esda.org\/\" rel=\"nofollow noopener\" target=\"_blank\">ESD Association packaging resources<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/webstore.iec.ch\/\" rel=\"nofollow noopener\" target=\"_blank\">IEC Webstore electrostatics<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.jedec.org\/\" rel=\"nofollow noopener\" target=\"_blank\">JEDEC moisture sensitivity resources<\/a> (context: esd-shielding-bag-selection-guide)<\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>An ESD shielding bag is a barrier pack that limits electrostatic fields reaching sensitive components during storage and transport; buyers should map barrier class, size, labeling, and any moisture pairing before comparing quotes. Use it to separate shielding, dissipative, and moisture roles in one RFQ. It is a checklist for electronics buyers &#8211; not sizing [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":1383,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-2472","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/swesd.com\/ar\/wp-json\/wp\/v2\/posts\/2472","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/swesd.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swesd.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swesd.com\/ar\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/swesd.com\/ar\/wp-json\/wp\/v2\/comments?post=2472"}],"version-history":[{"count":0,"href":"https:\/\/swesd.com\/ar\/wp-json\/wp\/v2\/posts\/2472\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/swesd.com\/ar\/wp-json\/wp\/v2\/media\/1383"}],"wp:attachment":[{"href":"https:\/\/swesd.com\/ar\/wp-json\/wp\/v2\/media?parent=2472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swesd.com\/ar\/wp-json\/wp\/v2\/categories?post=2472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swesd.com\/ar\/wp-json\/wp\/v2\/tags?post=2472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}