{"id":10302,"date":"2019-03-11T10:00:11","date_gmt":"2019-03-11T08:00:11","guid":{"rendered":"https:\/\/www.glastory.net\/askglaston-episode-50-is-it-possible-to-re-temper-glass-that-has-already-been-tempered\/"},"modified":"2019-10-16T13:09:43","modified_gmt":"2019-10-16T10:09:43","slug":"askglaston-episode-50-is-it-possible-to-re-temper-glass-that-has-already-been-tempered","status":"publish","type":"post","link":"https:\/\/www.glastory.net\/fi\/askglaston-episode-50-is-it-possible-to-re-temper-glass-that-has-already-been-tempered\/","title":{"rendered":"#AskGlaston Episode 50: Is it possible to re-temper glass that has already been tempered?"},"content":{"rendered":"<p>Today, let&#8217;s cover just one short but very peculiar question:<\/p>\n<ol>\n<li>Is it possible to re-temper glass that has already been tempered?<\/li>\n<\/ol>\n<p><iframe loading=\"lazy\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/OQXh2CIZjGs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" class=\"lazyload\" allowfullscreen><\/iframe><\/p>\n<h4>Is it possible to re-temper glass that has already been tempered?<\/h4>\n<p>Yes, it is, but it is not recommended as there is no advantage when doing so.<\/p>\n<p>You will more likely find yourself in trouble. This is because if the glass breaks in the furnace, it will shatter into small fragments more easily than during the first tempering.<\/p>\n<p>Secondly, the optical quality will become worse. After the first tempering, the glass will have a certain amount of roller wave and edge lift, and then these will only become worse after the second tempering.<\/p>\n<p>As comes to stresses, you won\u2019t get any advantage if the process parameters don\u2019t change. The stresses created in the first tempering will relax entirely, and the final outcome will be based on the settings of the second tempering.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Today, let&#8217;s cover just one short but very peculiar question: Is it possible to re-temper glass that has already been tempered? Is it possible to re-temper glass that has already been tempered? Yes, it is, but it is not recommended as there is no advantage when doing so. You will more likely find yourself in [&hellip;]<\/p>\n","protected":false},"author":1258,"featured_media":9120,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[913],"tags":[936,966,1194],"acf":[],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>#AskGlaston Episode 50: Is it possible to re-temper glass that has already been tempered? &ndash; Glastory<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.glastory.net\/fi\/askglaston-episode-50-is-it-possible-to-re-temper-glass-that-has-already-been-tempered\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"#AskGlaston Episode 50: Is it possible to re-temper glass that has already been tempered? &ndash; Glastory\" \/>\n<meta property=\"og:description\" content=\"Today, let&#8217;s cover just one short but very peculiar question: Is it possible to re-temper glass that has already been tempered? 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