{"id":863,"date":"2026-10-31T09:00:00","date_gmt":"2026-10-31T01:00:00","guid":{"rendered":"https:\/\/cntopplastics.com\/peek-vs-pps-vs-pei\/"},"modified":"2026-10-31T09:00:00","modified_gmt":"2026-10-31T01:00:00","slug":"peek-vs-pps-vs-pei","status":"publish","type":"post","link":"https:\/\/cntopplastics.com\/zh\/peek-vs-pps-vs-pei\/","title":{"rendered":"PEEK\u3001PPS \u4e0e PEI \u600e\u4e48\u9009\uff1a\u9ad8\u6e29\u5de5\u7a0b\u5851\u6599\u9009\u578b\u5bf9\u6bd4"},"content":{"rendered":"<input class=\"pin-master\" type=\"hidden\"><p class=\"wp-block-paragraph\">\u4e70\u5bb6\u5f88\u5c11\u4e00\u5f00\u53e3\u5c31\u70b9\u540d\u8981 PEEK\u3001PPS \u6216 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\u00b0C<\/td><\/tr><tr><td>\u8fde\u7eed\u4f7f\u7528\u6e29\u5ea6<\/td><td>250 \u00b0C<\/td><td>200\u2013220 \u00b0C<\/td><td>170 \u00b0C<\/td><\/tr><tr><td>\u62c9\u4f38\u5f3a\u5ea6<\/td><td>100 MPa<\/td><td>150 MPa<\/td><td>105 MPa<\/td><\/tr><tr><td>\u5f2f\u66f2\u6a21\u91cf<\/td><td>4.1 GPa<\/td><td>12 GPa<\/td><td>3.3 GPa<\/td><\/tr><tr><td>\u5438\u6c34\u7387\uff0c24 h<\/td><td>0.15 %<\/td><td>0.02 %<\/td><td>0.25 %<\/td><\/tr><tr><td>\u8010\u5316\u5b66\u6027<\/td><td>\u4f18\u5f02<\/td><td>\u4f18\u5f02<\/td><td>\u826f\u597d\uff0c\u4e0d\u8010\u6c2f\u5316\u6eb6\u5242<\/td><\/tr><tr><td>\u51b2\u51fb\u5f3a\u5ea6<\/td><td>\u9ad8<\/td><td>\u4f4e<\/td><td>\u4e2d<\/td><\/tr><tr><td>\u76f8\u5bf9\u6750\u6599\u6210\u672c<\/td><td>10x<\/td><td>1.5x<\/td><td>4x<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">\u6e29\u5ea6\u662f\u4e00\u4e2a\u533a\u95f4\uff0c\u4e0d\u662f\u4e00\u4e2a\u6570\u5b57<\/h2>\n\n<p 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PEEK\u3002<\/li><li>\u96f6\u4ef6\u662f\u5426\u63a5\u89e6\u6c2f\u5316\u6eb6\u5242\u3001\u5f3a\u78b1\u6216\u916e\u7c7b\uff1f\u662f\uff0c\u9009 PPS \u6216 PEEK\u2014\u2014\u4e0d\u8981 PEI\u3002<\/li><li>\u9884\u7b97\u662f\u5426\u662f\u786c\u7ea6\u675f\u3001\u6e29\u5ea6\u662f\u5426\u4f4e\u4e8e 150 \u00b0C\uff1f\u4ef7\u683c\u53ea\u6709 PEEK \u5341\u5206\u4e4b\u4e00\u7684 PPS \u901a\u5e38\u80dc\u51fa\u3002<\/li><\/ul>\n\n<p class=\"wp-block-paragraph\">\u5b9e\u9645\u54a8\u8be2\u4e2d\uff0c\u5927\u591a\u6570\u6848\u4f8b\u6700\u7ec8\u843d\u5230 PPS\u3002\u5b83\u6084\u6084\u66ff\u4ee3\u94dd\u652f\u67b6\u3001\u5de5\u88c5\u548c\u5916\u58f3\u2014\u2014\u521a\u6027\u597d\u3001\u5c3a\u5bf8\u7a33\u3001\u963b\u71c3\uff0c\u800c\u4e14\u4fbf\u5b9c\u5230\u6709\u7406\u7531\u3002\u5931\u6548\u6a21\u5f0f\u662f\u78e8\u635f\u3001\u51b2\u51fb\u6216\u706d\u83cc\u7684\u573a\u5408\u7528 PEEK\uff1b\u96f6\u4ef6\u5fc5\u987b\u900f\u660e\u3001\u6216\u9ad8\u9891\u7535\u6c14\u6027\u80fd\u91cd\u8981\u7684\u573a\u5408\u7528 PEI\u3002<\/p>\n\n<h2 class=\"wp-block-heading\">\u6211\u4eec\u6700\u5e38\u88ab\u95ee\u5230\u7684\u95ee\u9898<\/h2>\n\n<h3 class=\"wp-block-heading\">PPS \u80fd\u5426\u66ff\u4ee3 PEEK \u7701\u6210\u672c\uff1f<\/h3>\n\n<p class=\"wp-block-paragraph\">\u53ea\u6709\u5728\u7ea6 150 \u00b0C \u4ee5\u4e0b\u4e14\u51b2\u51fb\u4e0d\u5927\u7684\u573a\u5408\u53ef\u4ee5\u3002PPS \u66f4\u786c\u66f4\u4fbf\u5b9c\uff0c\u4f46\u5b83\u8106\u3001\u73bb\u7483\u5316\u8f6c\u53d8\u6e29\u5ea6\u4f4e\uff0c\u53d7\u51b2\u51fb\u6216\u70ed\u9884\u7d27\u7684 PPS \u96f6\u4ef6\u4f1a\u5931\u6548\uff0c\u800c PEEK \u4e0d\u4f1a\u3002<\/p>\n\n<h3 class=\"wp-block-heading\">\u6211\u7684 PEI \u96f6\u4ef6\u6e05\u6d17\u540e\u4e3a\u4ec0\u4e48\u5f00\u88c2\uff1f<\/h3>\n\n<p class=\"wp-block-paragraph\">\u51e0\u4e4e\u90fd\u662f\u6c2f\u5316\u6eb6\u5242\u6216\u5f3a\u78b1\uff0c\u53e0\u52a0\u6a21\u5851\u6216\u673a\u52a0\u5de5\u6b8b\u7559\u7684\u5185\u5e94\u529b\u3002\u670d\u5f79\u524d\u9000\u706b\u52a0\u66f4\u6362\u6e05\u6d17\u5242\uff0c\u6bd4\u6362\u6750\u6599\u66f4\u80fd\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n\n<h3 class=\"wp-block-heading\">\u8fd9\u4e9b\u6750\u6599\u673a\u52a0\u5de5\u540e\u9700\u8981\u9000\u706b\u5417\uff1f<\/h3>\n\n<p class=\"wp-block-paragraph\">\u53ea\u8981\u96f6\u4ef6\u4f1a\u7ecf\u5386 100 \u00b0C \u4ee5\u4e0a\u6e29\u5ea6\u3001\u6216\u5fc5\u987b\u4fdd\u6301\u7d27\u516c\u5dee\uff0cPEEK \u548c PPS \u90fd\u5efa\u8bae\u9000\u706b\u3002PEI \u7684\u6b63\u786e\u505a\u6cd5\u662f\u673a\u52a0\u5de5\u524d\u5e72\u71e5\uff0c\u800c\u4e0d\u662f\u673a\u52a0\u5de5\u540e\u9000\u706b\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u4e09\u79cd\u6750\u6599\u90fd\u625b\u5f97\u4f4f\u53d1\u52a8\u673a\u8231\u6e29\u5ea6\u3001\u90fd\u5bb9\u6613\u52a0\u5de5\uff0c\u6240\u4ee5\u51b3\u5b9a\u56e0\u7d20\u901a\u5e38\u53ea\u6709\u4e00\u4e2a\u786c\u7ea6\u675f\u3002\u8fd9\u91cc\u7528\u4e00\u5f20\u8868\u628a\u771f\u6b63\u533a\u5206 PEEK\u3001PPS \u548c PEI \u7684\u6570\u5b57\u6446\u5728\u4e00\u8d77\uff0c\u5e76\u7ed9\u51fa\u56db\u4e2a\u51b3\u5b9a\u6027\u63d0\u95ee\u3002<\/p>\n","protected":false},"author":193679612,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"jetpack_seo_schema_type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_tp_seo_title":"","_tp_seo_desc":"","_tp_summary":"","_tp_updated":"","_jetpack_feature_clip_id":0,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[4581],"tags":[132602],"class_list":["post-863","post","type-post","status-publish","format-standard","hentry","category-technical-notes","tag-material-selection"],"jetpack_publicize_connections":[],"jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pcp8Cz-dV","jetpack-related-posts":[{"id":130,"url":"https:\/\/cntopplastics.com\/zh\/pps-vs-pei-chemical\/","url_meta":{"origin":863,"position":0},"title":"PPS \u8fd8\u662f PEI\uff1f\u6309\u5b9e\u9645\u5316\u5b66\u4ecb\u8d28\u800c\u975e\u6570\u636e\u8868\u6765\u9009\u6750","author":"jessemei","date":"2026-06-04","format":false,"excerpt":"Both are 200 C plus materials with strong chemical resistance claims. Under real media at real temperatures they diverge sharply.","rel":"","context":"\u5728\u201cMaterial Guide\u201d\u4e2d","block_context":{"text":"Material Guide","link":"https:\/\/cntopplastics.com\/zh\/category\/material-guide\/"},"img":{"alt_text":"PPS or PEI? Matching the polymer to the chemistry, not the datasheet","src":"https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/n-pps-vs-pei-chemical.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/n-pps-vs-pei-chemical.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/n-pps-vs-pei-chemical.jpg?fit=1000%2C1000&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/n-pps-vs-pei-chemical.jpg?fit=1000%2C1000&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":96,"url":"https:\/\/cntopplastics.com\/zh\/peek-vs-pei-which-high-temp\/","url_meta":{"origin":863,"position":1},"title":"PEEK \u8fd8\u662f PEI\uff1f\u4e24\u6b3e\u4e3b\u529b\u9ad8\u6e29\u5851\u6599\u5982\u4f55\u53d6\u820d","author":"jessemei","date":"2026-09-24","format":false,"excerpt":"Both run above 170 C. PEI costs a third of PEEK. Here is where PEI is genuinely the better part and where it quietly fails.","rel":"","context":"\u5728\u201cMaterial Guide\u201d\u4e2d","block_context":{"text":"Material Guide","link":"https:\/\/cntopplastics.com\/zh\/category\/material-guide\/"},"img":{"alt_text":"PEEK or PEI? Choosing between the two workhorse high-temperature plastics","src":"https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/n-peek-vs-pei-which-high-temp.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/n-peek-vs-pei-which-high-temp.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/n-peek-vs-pei-which-high-temp.jpg?fit=1000%2C1000&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/n-peek-vs-pei-which-high-temp.jpg?fit=1000%2C1000&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":534,"url":"https:\/\/cntopplastics.com\/zh\/semiconductor-wafer-handling-plastic-parts\/","url_meta":{"origin":863,"position":2},"title":"Plastic parts for wafer handling: what actually matters","author":"jessemei","date":"2026-10-20","format":false,"excerpt":"Wafer-handling parts are judged on particles, outgassing, ESD and stability, not datasheet strength. Choose the grade, then verify the process.","rel":"","context":"\u5728\u201cIndustry Applications\u201d\u4e2d","block_context":{"text":"Industry Applications","link":"https:\/\/cntopplastics.com\/zh\/category\/industry-applications\/"},"img":{"alt_text":"Black ESD PEEK stock: three stacked black PEEK plates, a black PEEK rod disc and a machined PEEK bushing","src":"https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/tp-peek-esd.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/tp-peek-esd.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/tp-peek-esd.jpg?fit=1000%2C1000&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/tp-peek-esd.jpg?fit=1000%2C1000&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":807,"url":"https:\/\/cntopplastics.com\/zh\/ultem-1000-vs-2300\/","url_meta":{"origin":863,"position":3},"title":"ULTEM 1000 or ULTEM 2300? Unfilled versus glass fibre","author":"jessemei","date":"2026-10-29","format":false,"excerpt":"ULTEM 1000 is amber, tough and transparent. ULTEM 2300 is 30% glass filled: stiffer, opaque, stable. Choosing between them is a design decision.","rel":"","context":"\u5728\u201cMaterial Guide\u201d\u4e2d","block_context":{"text":"Material Guide","link":"https:\/\/cntopplastics.com\/zh\/category\/material-guide\/"},"img":{"alt_text":"PEI (ULTEM) 1000 Amber Sheet and Rod","src":"https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/tp-pei-1000.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/tp-pei-1000.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/tp-pei-1000.jpg?fit=1000%2C1000&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/tp-pei-1000.jpg?fit=1000%2C1000&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":92,"url":"https:\/\/cntopplastics.com\/zh\/peek-vs-pom-cost\/","url_meta":{"origin":863,"position":4},"title":"PEEK \u4e0e POM\uff1a\u8d35\u6750\u6599\u5728\u4ec0\u4e48\u60c5\u51b5\u4e0b\u53cd\u800c\u66f4\u7701\u6210\u672c\uff1f","author":"jessemei","date":"2026-10-08","format":false,"excerpt":"PEEK costs roughly 20 times more per kilogram than POM \u2014 yet on a part-cost basis it often wins. Here is how to run the comparison properly, including the downtime maths most buyers forget.","rel":"","context":"\u5728\u201cMaterial Guide\u201d\u4e2d","block_context":{"text":"Material Guide","link":"https:\/\/cntopplastics.com\/zh\/category\/material-guide\/"},"img":{"alt_text":"PEEK vs POM: when is the expensive material actually cheaper?","src":"https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/n-peek-vs-pom-cost.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/n-peek-vs-pom-cost.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/n-peek-vs-pom-cost.jpg?fit=1000%2C1000&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/n-peek-vs-pom-cost.jpg?fit=1000%2C1000&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":172,"url":"https:\/\/cntopplastics.com\/zh\/oil-gas-seal-components\/","url_meta":{"origin":863,"position":5},"title":"\u6cb9\u6c14\u884c\u4e1a\u7528\u5bc6\u5c01\u4ef6\u4e0e\u6321\u5708\u6750\u6599","author":"jessemei","date":"2025-12-25","format":false,"excerpt":"High pressure, rapid gas decompression and sour service eliminate most polymers immediately. What survives, and what to specify.","rel":"","context":"\u5728\u201cIndustry Applications\u201d\u4e2d","block_context":{"text":"Industry Applications","link":"https:\/\/cntopplastics.com\/zh\/category\/industry-applications\/"},"img":{"alt_text":"Seal and back-up ring materials for oil and gas","src":"https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/n-oil-gas-seal-components.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/n-oil-gas-seal-components.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/n-oil-gas-seal-components.jpg?fit=1000%2C1000&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/cntopplastics.com\/wp-content\/uploads\/2026\/10\/n-oil-gas-seal-components.jpg?fit=1000%2C1000&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/cntopplastics.com\/zh\/wp-json\/wp\/v2\/posts\/863","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cntopplastics.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cntopplastics.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cntopplastics.com\/zh\/wp-json\/wp\/v2\/users\/193679612"}],"replies":[{"embeddable":true,"href":"https:\/\/cntopplastics.com\/zh\/wp-json\/wp\/v2\/comments?post=863"}],"version-history":[{"count":0,"href":"https:\/\/cntopplastics.com\/zh\/wp-json\/wp\/v2\/posts\/863\/revisions"}],"wp:attachment":[{"href":"https:\/\/cntopplastics.com\/zh\/wp-json\/wp\/v2\/media?parent=863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cntopplastics.com\/zh\/wp-json\/wp\/v2\/categories?post=863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cntopplastics.com\/zh\/wp-json\/wp\/v2\/tags?post=863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}