{"product_id":"tqh25d180","title":"25 OD x 19.8 IDx 180L mm (1\") Half Open Quartz Tube for Induction Heater - HQT25","description":"\u003cp\u003e1\" Or Less OD MTI Corporation provides the high purity quartz tube as a replacement part for high-temperature tube furnaces\/induction heaters in universities, companies, and national labs. It can be used at operating temperatures up to \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e1200ºC \u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003ePurchase Notes: Please make sure the specification of the tube meets your need before making a purchase. Since Nov 10, 2016, we have no longer accepted return delivery of any tubes due to the fragile nature of the materials. All tubes are not refundable, not exchangeable, nor covered under the warranty (Consumables) . We apologize for the inconvenience. Please check the package for damages before accepting the delivery. For more information or damaged upon arrival please contact us . \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS  \u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eO.D\u003c\/td\u003e\n\u003ctd\u003e25mm ± 0.5mm (0.98\")\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI.D\u003c\/td\u003e\n\u003ctd\u003e19.8mm \u003cspan\u003e± 0.5mm\u003c\/span\u003e (0.78\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Length\u003c\/td\u003e\n\u003ctd\u003e180mm (7\")\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cspan\u003e\u003cspan\u003eMax. Operating Temperature\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1200\u003cspan\u003eºC\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication Notes\u003cbr\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ca href=\"fl-25\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/EQ-FL-25-Half-l_100x100.jpg\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003ca href=\"FL-25\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cspan\u003e    \u003c\/span\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/half_tube_60_with_crucible.jpg?v=1706298171\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/half_tube_60_with_crucible_100x100.jpg\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"letter-spacing: 0pt; word-spacing: 0pt; color: rgb(0, 0, 0);\"\u003eYou may melt metal samples in a vacuum using a 25mm dia half-open quartz tube with a flange. Please click the picture on the left to see the details and order related products left:\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff0000;\"\u003eVacuum pressures may only be safely used up to 1000°C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff0000;\"\u003eThe flow rate for gases should be limited to\u0026lt;200 SCCM for reducing thermal shocks to the tube\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff0000;\"\u003eQuartz tubes are designed for using under vacuum and low pressure \u0026lt; 0.2 bars \/ 3 psi \/ 0.02 MPa\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"letter-spacing: 0pt; word-spacing: 0pt; color: rgb(0, 0, 0);\"\u003eIn order to get longer tube service life, Please use quartz or alumina crucible to carry the sample, instead of loading the sample directly inside the tube, please click the picture below to choose one crucible boat:\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ca href=\"https:\/\/mtixtl.com\/collections\/crucibles\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg alt=\"Ceramic Crucibles ( Alumina, Quartz and Zirconia etc )\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/Crucible_160x160.jpg\" style=\"margin-right: 394.149px; margin-bottom: 16px; margin-left: 394.132px; float: none;\"\u003e\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"MTI","offers":[{"title":"Default Title","offer_id":44985122652299,"sku":"TQH25D180","price":0.0,"currency_code":"MYR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/4405\/3643\/files\/1111.1_ce954af7-c19e-4bd8-8c90-3c90dfac2c89.jpg?v=1764854379","url":"https:\/\/mti-indonesia.com\/products\/tqh25d180","provider":"MTI Malaysia \u0026 Indonesia","version":"1.0","type":"link"}