{"id":6091,"date":"2025-07-14T18:02:21","date_gmt":"2025-07-14T10:02:21","guid":{"rendered":"https:\/\/globalquartztube.com\/?p=6091"},"modified":"2025-07-14T18:02:25","modified_gmt":"2025-07-14T10:02:25","slug":"features-of-uv-filtering-quartz-tubes","status":"publish","type":"post","link":"https:\/\/globalquartztube.com\/pa\/features-of-uv-filtering-quartz-tubes\/","title":{"rendered":"Features of UV-Filtering Quartz Tubes"},"content":{"rendered":"<p><strong>UV-filtering quartz tubes<\/strong> are specially treated quartz glass tubes designed to selectively block specific ultraviolet (UV) wavelengths while maintaining high transparency in the visible and infrared ranges. Their key characteristics include:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. UV Blocking Performance<\/h3>\n\n\n\n<p><strong>Cut-off Wavelength:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Common models block UV below <strong>280\u202fnm (UV-C)<\/strong> \u0a1c\u0a3e\u0a02 <strong>320\u202fnm (UV-B)<\/strong>, allowing transmission primarily above <strong>320\u202fnm<\/strong> (UV-A, visible light, and infrared).<\/li>\n\n\n\n<li>Some high-purity quartz (e.g., JGS1) naturally transmits UV down to <strong>185\u202fnm<\/strong>, requiring doping with elements such as <strong>titanium (Ti)<\/strong> \u0a1c\u0a3e\u0a02 <strong>cerium (Ce)<\/strong> to achieve UV cut-off.<\/li>\n<\/ul>\n\n\n\n<p><strong>Filtering Efficiency:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>For UV-C (200\u2013280\u202fnm), filtering efficiency can reach <strong>&gt;99%<\/strong> in Ti-doped quartz tubes.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Optical Properties<\/h3>\n\n\n\n<p><strong>Transmittance:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Visible light range (400\u2013700\u202fnm): <strong>\u226590%<\/strong><\/li>\n\n\n\n<li>Infrared range (700\u20132500\u202fnm): <strong>\u226585%<\/strong><\/li>\n\n\n\n<li>Steep UV cut-off edge: For example, transmittance may jump from 0% at 280\u202fnm to 80% at 300\u202fnm.<\/li>\n<\/ul>\n\n\n\n<p><strong>Refractive Index:<\/strong> 1.458 (@589\u202fnm), same as standard quartz glass.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Material and Structure<\/h3>\n\n\n\n<p><strong>Base Material:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High-purity synthetic quartz (SiO\u2082\u202f\u2265\u202f99.99%) with low hydroxyl content (&lt;5\u202fppm) to minimize IR absorption.<\/li>\n<\/ul>\n\n\n\n<p><strong>Doping Elements:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Titanium (Ti), Cerium (Ce), Iron (Fe), etc., used to adjust UV absorption peaks.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0a2d\u0a4c\u0a24\u0a3f\u0a15 \u0a35\u0a3f\u0a38\u0a3c\u0a47\u0a38\u0a3c\u0a24\u0a3e\u0a35\u0a3e\u0a02:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Density: 2.2\u202fg\/cm\u00b3<\/li>\n\n\n\n<li>Mohs hardness: 7<\/li>\n\n\n\n<li>Bending strength: \u226550\u202fMPa<\/li>\n\n\n\n<li>Thermal expansion coefficient: 5.5\u00d710\u207b\u2077\/\u00b0C (20\u2013300\u202f\u00b0C)<\/li>\n\n\n\n<li>Excellent thermal shock resistance<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. Environmental Durability<\/h3>\n\n\n\n<p><strong>High-Temperature Resistance:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Continuous use up to <strong>1100\u202f\u00b0C<\/strong>, short-term up to <strong>1300\u202f\u00b0C<\/strong> (note: doping may slightly reduce thermal tolerance).<\/li>\n<\/ul>\n\n\n\n<p><strong>Corrosion Resistance:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Resistant to acids (except HF) and steam; alkaline environments (e.g., KOH) may corrode the surface.<\/li>\n<\/ul>\n\n\n\n<p><strong>Radiation Stability:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Withstands \u03b3-ray and X-ray exposure without darkening; Ce-doped quartz shows superior radiation resistance.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5. Application Scenarios<\/h3>\n\n\n\n<p><strong>UV Shielding:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Protective outer sleeves for germicidal lamps (block harmful UV-C, allow useful UV-B\/UVA).<\/li>\n\n\n\n<li>Semiconductor photolithography (precise control of exposure wavelength).<\/li>\n<\/ul>\n\n\n\n<p><strong>Optical Devices:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Spectrometer windows, laser tube casings (designed for specific light bands).<\/li>\n<\/ul>\n\n\n\n<p><strong>Special Lighting:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Aquarium lighting (UV protection for aquatic life).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">6. Precautions<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Avoid Mechanical Impact:<\/strong> Quartz is brittle\u2014shock protection is essential during installation.<\/li>\n\n\n\n<li><strong>Cleaning:<\/strong> Use alcohol or deionized water; avoid hard objects.<\/li>\n\n\n\n<li><strong>Service Life:<\/strong> Long-term exposure to heat and UV may cause slow degradation due to dopant migration.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Comparison: UV-Filtering Quartz Tube vs. Standard Quartz Tube<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>UV-Filtering Quartz Tube<\/th><th>Standard Quartz Tube<\/th><\/tr><\/thead><tbody><tr><td>UV Transmittance (&lt;300\u202fnm)<\/td><td>&lt;1%<\/td><td>&gt;90% (e.g., JGS1)<\/td><\/tr><tr><td>Doping Elements<\/td><td>Ti\/Ce\/Fe<\/td><td>None<\/td><\/tr><tr><td>Cost<\/td><td>Higher (+30\u201350%)<\/td><td>Lower<\/td><\/tr><tr><td>Application<\/td><td>Environments requiring precise UV control<\/td><td>Broad-spectrum UV\/visible transmission<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Need a specific model?<\/strong> Please provide the required UV cut-off wavelength and transmission curve for accurate matching.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>UV-filtering quartz tubes are specially treated quartz glass tubes designed to selectively block specific ultraviolet (UV) wavelengths while maintaining high transparency in the visible and infrared ranges. Their key characteristics include: 1. UV Blocking Performance Cut-off Wavelength: Filtering Efficiency: 2. Optical Properties Transmittance: Refractive Index: 1.458 (@589\u202fnm), same as standard quartz glass. 3. Material and [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":6096,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Features of UV-Filtering Quartz Tubes","_seopress_titles_desc":"Blocks UV-C and UV-B while transmitting visible light. Ideal for optical devices, lighting, and UV-sensitive applications. Heat and corrosion resistant.","_seopress_robots_index":"","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"ppma_author":[13],"class_list":["post-6091","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-quartz-tube","author-casper-peng"],"uagb_featured_image_src":{"full":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/UV-Filtering-Quartz-Tubes.jpg",1706,1279,false],"thumbnail":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/UV-Filtering-Quartz-Tubes-150x150.jpg",150,150,true],"medium":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/UV-Filtering-Quartz-Tubes-300x225.jpg",300,225,true],"medium_large":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/UV-Filtering-Quartz-Tubes-768x576.jpg",768,576,true],"large":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/UV-Filtering-Quartz-Tubes-1024x768.jpg",1024,768,true],"1536x1536":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/UV-Filtering-Quartz-Tubes-1536x1152.jpg",1536,1152,true],"2048x2048":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/UV-Filtering-Quartz-Tubes.jpg",1706,1279,false],"trp-custom-language-flag":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/UV-Filtering-Quartz-Tubes-16x12.jpg",16,12,true]},"uagb_author_info":{"display_name":"Peng, Casper","author_link":"https:\/\/globalquartztube.com\/pa\/author\/casper-peng\/"},"uagb_comment_info":3,"uagb_excerpt":"UV-filtering quartz tubes are specially treated quartz glass tubes designed to selectively block specific ultraviolet (UV) wavelengths while maintaining high transparency in the visible and infrared ranges. Their key characteristics include: 1. UV Blocking Performance Cut-off Wavelength: Filtering Efficiency: 2. Optical Properties Transmittance: Refractive Index: 1.458 (@589\u202fnm), same as standard quartz glass. 3. Material and&hellip;","authors":[{"term_id":13,"user_id":3,"is_guest":0,"slug":"casper-peng","display_name":"Peng, Casper","avatar_url":{"url":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp","url2x":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":""}],"_links":{"self":[{"href":"https:\/\/globalquartztube.com\/pa\/wp-json\/wp\/v2\/posts\/6091","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalquartztube.com\/pa\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalquartztube.com\/pa\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/pa\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/pa\/wp-json\/wp\/v2\/comments?post=6091"}],"version-history":[{"count":2,"href":"https:\/\/globalquartztube.com\/pa\/wp-json\/wp\/v2\/posts\/6091\/revisions"}],"predecessor-version":[{"id":6097,"href":"https:\/\/globalquartztube.com\/pa\/wp-json\/wp\/v2\/posts\/6091\/revisions\/6097"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/pa\/wp-json\/wp\/v2\/media\/6096"}],"wp:attachment":[{"href":"https:\/\/globalquartztube.com\/pa\/wp-json\/wp\/v2\/media?parent=6091"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalquartztube.com\/pa\/wp-json\/wp\/v2\/categories?post=6091"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalquartztube.com\/pa\/wp-json\/wp\/v2\/tags?post=6091"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/globalquartztube.com\/pa\/wp-json\/wp\/v2\/ppma_author?post=6091"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}