{"id":4754,"date":"2016-12-07T10:09:33","date_gmt":"2016-12-07T08:09:33","guid":{"rendered":"https:\/\/www.glastory.net\/?p=4754"},"modified":"2023-01-19T14:16:15","modified_gmt":"2023-01-19T12:16:15","slug":"can-defected-annealed-glasses-tempered","status":"publish","type":"post","link":"https:\/\/www.glastory.net\/fi\/can-defected-annealed-glasses-tempered\/","title":{"rendered":"#AskGlaston Episode 24: Can annealed glasses with bubbles or with other defects be tempered?"},"content":{"rendered":"<p>This week, we\u2019re dealing with the following two questions:<\/p>\n<p>1. Can annealed glasses with bubbles or with other defects be tempered?<br \/>\n2. What are the recommended exit temperatures for glass thicknesses from 4 to 10 millimeters?<\/p>\n<p>For this week\u2019s questions, see our full video response below. Special thanks to our experienced engineers Eloi Bottura from Glaston South America Ltda\u00a0and Tony Neo from Glaston Singapore Pte for sharing their\u00a0knowledge with us.<\/p>\n<p>As always, remember to learn, share and succeed!<\/p>\n<p><iframe loading=\"lazy\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/f4CtAw7AWXU?feature=oembed\" frameborder=\"0\" class=\"lazyload\" allowfullscreen><\/iframe><\/p>\n<h4>Can annealed glasses with bubbles or with other defects be tempered?<\/h4>\n<p>In my opinion you should not temper any defected glass. Every defected glass can break inside the furnace or in the chiller. So, in general it is better to minimize the risk of breaking the glass and leave all defected glasses untempered.<\/p>\n<h4>What are the recommended exit temperatures for glass thicknesses from 4 to 10 millimeters?<\/h4>\n<p>The\u00a0recommended exit temperature for glass thicknesses from 4 to 10 mm is 630 degrees Celsius. For thinner glass thicknesses you might need to use slightly higher temperatures to achieve the desired fragmentation counts.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This week, we\u2019re dealing with the following two questions: 1. Can annealed glasses with bubbles or with other defects be tempered? 2. What are the recommended exit temperatures for glass thicknesses from 4 to 10 millimeters? For this week\u2019s questions, see our full video response below. Special thanks to our experienced engineers Eloi Bottura from [&hellip;]<\/p>\n","protected":false},"author":243,"featured_media":4755,"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":[1],"tags":[9,102,81,197,71,194,121,190,131],"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 24: Can annealed glasses with bubbles or with other defects be tempered? &ndash; Glastory<\/title>\n<meta name=\"description\" content=\"AskGlaston this week: Can annealed glasses with bubbles\/defects be tempered? 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