{"id":4528,"date":"2026-11-09T14:00:00","date_gmt":"2026-11-09T14:00:00","guid":{"rendered":"https:\/\/onpowbutton.com\/news\/push-button-plastic-water-absorption\/"},"modified":"2026-11-08T04:48:12","modified_gmt":"2026-11-08T04:48:12","slug":"push-button-plastic-water-absorption","status":"publish","type":"post","link":"https:\/\/onpowbutton.com\/ko\/news\/push-button-plastic-water-absorption\/","title":{"rendered":"Push Button Plastic Water Absorption: Read the Material Report"},"content":{"rendered":"<style>.onpow-article{font-size:17px;line-height:1.75;overflow-wrap:anywhere}.onpow-article img{max-width:100%;height:auto}.onpow-article figure{margin:28px 0}.onpow-article figcaption{font-size:14px;color:#555}.onpow-table-scroll{max-width:100%;overflow-x:auto}.onpow-article table{border-collapse:collapse;min-width:640px;width:100%}.onpow-article th,.onpow-article td{padding:12px;border:1px solid #ddd;text-align:left}.onpow-article th{background:#f1f4f7}.onpow-video{position:relative;aspect-ratio:16\/9;width:100%}.onpow-video iframe{position:absolute;width:100%;height:100%;border:0}<\/style>\n<article class=\"onpow-article\">\n<nav aria-label=\"Contents\"><strong>Contents<\/strong><\/p>\n<ul>\n<li><a href=\"#section-1\">Identify the property and the purchasing question<\/a><\/li>\n<li><a href=\"#section-2\">Match the specimen to a real component<\/a><\/li>\n<li><a href=\"#section-3\">Keep exposure and preparation with the result<\/a><\/li>\n<li><a href=\"#section-4\">Review the report with a condition-based table<\/a><\/li>\n<li><a href=\"#section-5\">Read mass-based results without adding assumptions<\/a><\/li>\n<li><a href=\"#section-6\">Understand diffusion as background, not a shortcut<\/a><\/li>\n<li><a href=\"#section-7\">Separate material absorption from the installed boundary<\/a><\/li>\n<li><a href=\"#section-8\">Connect material evidence to functional requirements<\/a><\/li>\n<li><a href=\"#section-9\">Compare two reports and resolve the gap<\/a><\/li>\n<li><a href=\"#section-10\">Prepare an ONPOW material enquiry<\/a><\/li>\n<li><a href=\"#section-11\">Frequently asked questions<\/a><\/li>\n<\/ul>\n<\/nav>\n<p>A push button plastic water absorption report describes moisture uptake by an identified material specimen under controlled conditions. It should state the material, specimen dimensions, preparation, exposure and measurement timing. It does not establish that a complete switch is waterproof. Buyers should connect the material report to the relevant production component and request separate evidence for the assembled control&#8217;s ingress protection and required electrical performance.<\/p>\n<p>This distinction matters when a switch will be stored or used in humid conditions. A low absorption value can be useful material information, but it cannot describe every seal, joint, terminal or opening in the installed panel.<\/p>\n<h2 id=\"section-1\">Identify the property and the purchasing question<\/h2>\n<p>Start by naming the question the evidence is supposed to answer. Is the customer comparing candidate plastics, investigating dimensional change, reviewing storage exposure or requesting a particular material test? State that purpose before collecting numbers. An equipment water-ingress requirement needs assembly evidence, while a material absorption requirement needs traceable material measurements.<\/p>\n<p>The <a href=\"https:\/\/knowledge.bsigroup.com\/products\/plastics-determination-of-water-absorption\" rel=\"noopener\" target=\"_blank\">BSI overview of ISO 62:2008<\/a> identifies controlled moisture absorption measurements for solid plastics. The specified specimen and exposure conditions are part of the result. A supplier should not detach a percentage from those conditions and present it as a universal property of every finished product made from a broadly named plastic.<\/p>\n<h2 id=\"section-2\">Match the specimen to a real component<\/h2>\n<p>Ask which switch part uses the reported material and how the supplier identifies it. Retain the material grade or controlled code, component drawing, revision and any applicability statement. A generic polymer name does not establish that a laboratory specimen matches the current production component.<\/p>\n<p>The <a href=\"https:\/\/onpowbutton.com\/onpow6222f-10e-product\/\">ONPOW6222F-10E product page<\/a> provides a real catalogue identity for a product enquiry. Its photographs show visible product features only. They do not reveal an internal material grade or prove a water absorption result. Ask ONPOW for the documentation relevant to the specific order code rather than inferring a material property from appearance.<\/p>\n<p>A test on a flat specimen may still provide relevant material evidence. The reviewer needs the link between that specimen and the production part. If the report concerns a different formulation, reinforcement or colour, request a controlled explanation of applicability. Similar surface appearance is not enough to close the difference.<\/p>\n<figure><img decoding=\"async\" alt=\"ONPOW ONPOW6222F-10ET \u2014 original manufacturer product photograph\" loading=\"lazy\" src=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/push-button-plastic-water-absorption-body1-daily20261108.jpg\"\/><figcaption>ONPOW ONPOW6222F-10ET. Product identification example only; this photograph does not establish soldering, biological, chemical, dielectric, thermal or moisture performance or certification. Confirm the exact ordered configuration and tested equipment scope separately.<\/figcaption><\/figure>\n<h2 id=\"section-3\">Keep exposure and preparation with the result<\/h2>\n<p>A meaningful absorption record includes the initial specimen condition, the exposure medium or humidity condition, temperature and duration. Ask when and how the measurement was taken after exposure. These details help establish whether two reports describe comparable material states.<\/p>\n<p>Do not automatically treat a short exposure result as an equilibrium value. If equilibrium or saturation is claimed, ask for the method and evidence supporting that claim. A test conducted for a defined period answers the question associated with that period and procedure. It does not establish every longer storage or service condition.<\/p>\n<p>Likewise, do not equate humid-air exposure with immersion. Both can be relevant to material evaluation, but they are distinct conditions. The actual method and customer requirement determine which is needed. Keep the two categories visible in a supplier comparison rather than combining them under a single \u201cwater resistance\u201d column.<\/p>\n<h2 id=\"section-4\">Review the report with a condition-based table<\/h2>\n<p>This worksheet is a proposed procurement framework. It gives no ONPOW absorption values or universal material acceptance limits. The applicable standard and equipment specification must provide the required procedure and criteria.<\/p>\n<div class=\"onpow-table-scroll\">\n<table>\n<thead>\n<tr>\n<th>Report item<\/th>\n<th>What to retain<\/th>\n<th>What an omission leaves uncertain<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Material identity<\/td>\n<td>Grade, controlled code and production applicability<\/td>\n<td>Whether the tested plastic is used in the ordered switch<\/td>\n<\/tr>\n<tr>\n<td>Specimen<\/td>\n<td>Form, dimensions, thickness and preparation<\/td>\n<td>Whether the result can be compared with another report<\/td>\n<\/tr>\n<tr>\n<td>Initial condition<\/td>\n<td>Documented conditioning and reference measurement<\/td>\n<td>What state the uptake measurement started from<\/td>\n<\/tr>\n<tr>\n<td>Exposure<\/td>\n<td>Water or humid-air condition, temperature and duration<\/td>\n<td>Which environment the result represents<\/td>\n<\/tr>\n<tr>\n<td>Measurement timing<\/td>\n<td>Removal, surface preparation and weighing sequence as specified<\/td>\n<td>Whether handling influenced the recorded result<\/td>\n<\/tr>\n<tr>\n<td>Result convention<\/td>\n<td>Quantity, unit, calculation basis and individual values<\/td>\n<td>Whether percentages and other expressions were mixed<\/td>\n<\/tr>\n<tr>\n<td>Claimed endpoint<\/td>\n<td>Fixed-time measurement or justified equilibrium condition<\/td>\n<td>Whether a short test was overstated as saturation<\/td>\n<\/tr>\n<tr>\n<td>Acceptance<\/td>\n<td>Agreed limit, result and reviewer decision<\/td>\n<td>What \u201cpass\u201d actually means for the application<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>The <a href=\"https:\/\/gso-sims-preview-doc-aws.s3-eu-west-1.amazonaws.com\/gso-iso-62-2024-en.html\" rel=\"noopener\" target=\"_blank\">Gulf standards preview for ISO 62<\/a> provides another standards-body source for the material-test scope. Use the complete applicable edition when specifying or performing the test; the table above is not its laboratory procedure.<\/p>\n<h2 id=\"section-5\">Read mass-based results without adding assumptions<\/h2>\n<p>If the report expresses uptake relative to an initial mass, retain the exact calculation basis and initial condition. Ask for the reported masses or calculation record where the purchasing requirement needs them. Do not reconstruct an omitted calculation using a catalogue product weight, because that weight may include metal contacts, illumination and other parts outside the tested specimen.<\/p>\n<p>Keep individual specimen results where supplied. A mean alone can conceal a mislabeled specimen or an unresolved outlier. The responsible reviewer should decide whether variability is acceptable under the relevant specification. Do not invent a permitted spread or discard an unusual result without the laboratory&#8217;s explanation.<\/p>\n<p>Surface handling also needs the prescribed method. Residual liquid on a specimen and moisture absorbed into a material are different contributions to a weighing result. This guide does not prescribe a wiping or drying procedure; ask the laboratory to document the procedure it actually used and compare it with the specified method.<\/p>\n<figure><img decoding=\"async\" alt=\"ONPOW ONPOW6222F-10 \u2014 original manufacturer product photograph\" loading=\"lazy\" src=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/push-button-plastic-water-absorption-body2-daily20261108.jpg\"\/><figcaption>ONPOW ONPOW6222F-10. Product identification example only; this photograph does not establish soldering, biological, chemical, dielectric, thermal or moisture performance or certification. Confirm the exact ordered configuration and tested equipment scope separately.<\/figcaption><\/figure>\n<h2 id=\"section-6\">Understand diffusion as background, not a shortcut<\/h2>\n<p>Moisture uptake can involve transport through a material over time. A simple diffusion concept helps explain why specimen thickness and duration are relevant questions. However, a convenient theoretical model does not automatically apply to every formulation, structure or exposure condition.<\/p>\n<p>If a report supplies a diffusion coefficient or model prediction, ask which assumptions were used and whether the material falls within them. Preserve the measured data separately from the modelled result. Do not infer a full switch service life or a moisture-equilibrium time from a single absorption percentage.<\/p>\n<p>The educational video below introduces diffusion in a biological setting. It provides conceptual background only. It is not a plastics test, does not show the laboratory&#8217;s method and cannot establish a property of an ONPOW component.<\/p>\n<h2 id=\"section-7\">Separate material absorption from the installed boundary<\/h2>\n<p>A material specimen has no mounting nut, panel cutout, rear terminal connection or enclosure cable entry. A complete installation does. That is why a material result cannot replace an ingress assessment of the configured assembly. Even a material with low uptake does not establish that liquid cannot pass around an installed joint.<\/p>\n<p>The <a href=\"https:\/\/onpowbutton.com\/news\/push-button-dust-report-mounting-boundary\/\">dust report mounting-boundary guide<\/a> explains the importance of defining the installed test boundary. The same discipline helps buyers ask which parts and mounting conditions a separate liquid-ingress report covers. Do not claim that this material absorption article establishes an IP rating.<\/p>\n<p>For humid environmental conditioning, the <a href=\"https:\/\/onpowbutton.com\/news\/push-button-damp-heat-test-report\/\">damp heat report guide<\/a> addresses a different body of evidence. A damp heat result can include assembly examinations that a material weighing test does not. Keep the two report purposes distinct in the technical file.<\/p>\n<h2 id=\"section-8\">Connect material evidence to functional requirements<\/h2>\n<p>If moisture exposure raises concerns about actuator movement, dimensions or electrical properties, specify the relevant examinations separately. A material absorption result alone does not measure every possible functional change. Ask what was actually tested before claiming the switch remained suitable after conditioning.<\/p>\n<p>The <a href=\"https:\/\/onpowbutton.com\/news\/push-button-insulation-resistance-test-review\/\">insulation-resistance review<\/a> explains why electrical examinations need an appropriate configuration and test boundary. Do not apply an unspecified electrical test to a complete illuminated switch using a material report as permission. Follow the applicable manufacturer and equipment instructions.<\/p>\n<h2 id=\"section-9\">Compare two reports and resolve the gap<\/h2>\n<p>Imagine a hypothetical buyer receiving one absorption percentage after a fixed water exposure and another after humid-air conditioning. The numbers cannot fairly be ranked as though the procedures were identical. Identify the required exposure first, then request matching evidence or an engineering explanation of relevance.<\/p>\n<p>A second common gap is specimen identity. A report might name a resin grade without linking it to the switch revision offered in the quotation. Ask for that link in writing. The result may be technically credible while still being unconnected to the purchasing decision.<\/p>\n<p>Where the requirement is not numerical, do not invent a limit to make the comparison look decisive. Record the actual customer requirement and the evidence needed to satisfy it. A useful decision can be \u201cmaterial documentation accepted, assembly ingress evidence outstanding,\u201d provided both parts remain visible and the order is released only under the agreed process.<\/p>\n<h2 id=\"section-10\">Prepare an ONPOW material enquiry<\/h2>\n<p>Send the exact switch code, component of interest, required material method and edition, exposure conditions, result basis and acceptance criteria. Explain whether the information supports material selection, customer documentation or a functional qualification plan. Ask for available reports and a controlled statement of production applicability.<\/p>\n<p>Retain the original evidence with the component revision and supplier correspondence. When the relevant material changes, reopen the review. Keep storage instructions, cleaning compatibility and assembled water-ingress requirements in their own documented assessments so that one material number does not become an unsupported all-purpose claim.<\/p>\n<h2 id=\"section-11\">Frequently asked questions<\/h2>\n<h3>Does low water absorption mean the switch is waterproof?<\/h3>\n<p>No. Material uptake and assembled ingress protection are different questions. Request the appropriate evidence for the exact installed switch and mounting conditions.<\/p>\n<h3>Can immersion and humid-air results be compared as equivalent?<\/h3>\n<p>Keep their different conditions visible. Use matching procedures or a documented engineering review before drawing a purchasing conclusion from the values.<\/p>\n<h3>Does a plastic family name establish the reported property?<\/h3>\n<p>No. Obtain controlled material identification and a link to the production component. Grade, formulation and test conditions need to be traceable.<\/p>\n<h3>What should be requested if only one absorption percentage is supplied?<\/h3>\n<p>Ask for material identity, specimen dimensions, initial condition, exposure, measurement timing, calculation basis and applicable acceptance criteria. A bare percentage lacks the context needed for review.<\/p>\n<h2 id=\"learning-video\">Further learning<\/h2>\n<p>Khan Academy introduces diffusion through a concentration gradient using a biological context. The basic concept helps explain moisture uptake, but this is not an ISO 62 plastics test or a switch sealing assessment.<\/p>\n<div class=\"onpow-video\"><iframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/a_Y9wBQ610o\" title=\"Diffusion | Membranes and transport | Biology | Khan Academy\" loading=\"lazy\" allow=\"encrypted-media; picture-in-picture\" allowfullscreen><\/iframe><\/div>\n<p><a rel=\"noopener\" href=\"https:\/\/www.youtube.com\/watch?v=a_Y9wBQ610o\" target=\"_blank\">Diffusion | Membranes and transport | Biology | Khan Academy \u2014 Khan Academy<\/a><\/p>\n<\/article>\n<p><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does low water absorption mean the switch is waterproof?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. Material uptake and assembled ingress protection are different questions. 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Review specimen identity, conditioning and exposure, and separate material uptake from waterproofing.","_links":{"self":[{"href":"https:\/\/onpowbutton.com\/ko\/wp-json\/wp\/v2\/posts\/4528","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onpowbutton.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onpowbutton.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onpowbutton.com\/ko\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/onpowbutton.com\/ko\/wp-json\/wp\/v2\/comments?post=4528"}],"version-history":[{"count":2,"href":"https:\/\/onpowbutton.com\/ko\/wp-json\/wp\/v2\/posts\/4528\/revisions"}],"predecessor-version":[{"id":4535,"href":"https:\/\/onpowbutton.com\/ko\/wp-json\/wp\/v2\/posts\/4528\/revisions\/4535"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onpowbutton.com\/ko\/wp-json\/wp\/v2\/media\/4525"}],"wp:attachment":[{"href":"https:\/\/onpowbutton.com\/ko\/wp-json\/wp\/v2\/media?parent=4528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onpowbutton.com\/ko\/wp-json\/wp\/v2\/categories?post=4528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onpowbutton.com\/ko\/wp-json\/wp\/v2\/tags?post=4528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}