{"product_id":"amber-stoppers-interchangeable-with-ground-joint-12-21","title":"Penny Head Stoppers with Ground Joint - Amber","description":"\u003cdiv class=\"Y3BBE\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIAhAA\" data-processed=\"true\" data-complete=\"true\"\u003e\n\u003cspan data-subtree=\"aimfl\" data-processed=\"true\"\u003ePenny head Amber Glass Stoppers\u003c\/span\u003e are designed to provide a light-protective, vacuum-tight seal for laboratory glassware. They are specifically \"amberized\" to block UV and short-wavelength visible light (typically \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e300 nm to 500 nm\u003c\/strong\u003e), preserving the integrity of light-sensitive chemicals.\u003cspan class=\"uJ19be notranslate\" data-sfc-root=\"c\" data-wiz-uids=\"jBNhdc_k,jBNhdc_l\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-wiz-attrbind=\"class=jBNhdc_j\/TKHnVd\" data-sae=\"\"\u003e \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"Fsg96\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e \u003c\/div\u003e\n\u003cdiv class=\"AdPoic\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003eTechnical Specifications\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-processed=\"true\" data-complete=\"true\"\u003e\n\u003cli class=\"dF3vjf\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBBAA\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eMaterial\u003c\/strong\u003e: High-quality \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e3.3 Borosilicate Glass\u003c\/strong\u003e with high chemical and thermal resistance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBBAB\" data-sae=\"\" data-complete=\"true\"\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eDesign\u003c\/strong\u003e:\u003c\/span\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\n\u003cli class=\"dF3vjf\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBBAC\" data-complete=\"true\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eStandard Taper (1:10)\u003c\/strong\u003e: Precision-ground to ensure interchangeability with any standard ground glass socket.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBBAD\" data-complete=\"true\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eDrip-Tip\u003c\/strong\u003e: The lower closed end features a pointed tip to ensure adhered liquid returns to the vessel, preventing joint contamination.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBBAE\" data-complete=\"true\"\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eHead Style\u003c\/strong\u003e: Available in \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003ePenny Head\u003c\/strong\u003e (flat circular grip) for volumetric flasks and \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eFlat Head\u003c\/strong\u003e for reagent bottles.\u003c\/span\u003e\u003cspan class=\"uJ19be notranslate\" data-sfc-root=\"c\" data-wiz-uids=\"jBNhdc_1f,jBNhdc_1g\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-wiz-attrbind=\"class=jBNhdc_1e\/TKHnVd\"\u003e \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"AdPoic\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003eAvailable Sizes\u003c\/div\u003e\n\u003cdiv class=\"AdPoic\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003e \u003c\/div\u003e\n\u003cdiv class=\"Y3BBE\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBhAA\" data-complete=\"true\" data-processed=\"true\"\u003eThese stoppers are categorized by their cone size to match specific capacities of volumetric flasks and reagent bottles:\u003cspan class=\"uJ19be notranslate\" data-sfc-root=\"c\" data-wiz-uids=\"jBNhdc_1v,jBNhdc_1w\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-wiz-attrbind=\"class=jBNhdc_1u\/TKHnVd\" data-sae=\"\"\u003e \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"Y3BBE\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBhAA\" data-complete=\"true\" data-processed=\"true\"\u003e \u003c\/div\u003e\n\u003cdiv class=\"Fv6NCb\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-ved=\"2ahUKEwjA1Z-pnuaTAxXKQEEAHRn9OscQ-q4QegYIAQgHEAA\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003ctable class=\"NRefec\" style=\"height: 156px;\" width=\"431\" data-animation-nesting=\"\" data-sae=\"\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"cZCYO\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\n\u003cth class=\"iry6k\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e \u003c\/th\u003e\n\u003cth class=\"iry6k\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eCone Size\u003c\/th\u003e\n\u003cth class=\"iry6k\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eApplication \/ Capacity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e \u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" style=\"text-align: center;\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e10\/19\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" style=\"text-align: left;\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eVolumetric Flask (5, 10, 20, 25 mL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e \u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" style=\"text-align: center;\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e12\/21\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eVolumetric Flask (50 mL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e \u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" style=\"text-align: center;\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e14\/23\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eVolumetric Flask (100, 200, 250 mL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e \u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" style=\"text-align: center;\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e19\/26\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eReagent Bottle (125 \u0026amp; 250 mL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e \u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" style=\"text-align: center;\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e24\/29\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eReagent Bottle (500 mL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e \u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" style=\"text-align: center;\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e29\/32\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eReagent Bottle (1000 mL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e \u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" style=\"text-align: center;\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e34\/35\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eReagent Bottle (2000 mL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"Fsg96\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e \u003c\/div\u003e\n\u003cdiv class=\"AdPoic\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003eKey Applications\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cli class=\"dF3vjf\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIChAA\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eStorage of Light-Sensitive Media\u003c\/strong\u003e: Essential for silver nitrate, certain vitamins, dyes, and pharmaceuticals that degrade upon light exposure.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIChAB\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eAnalytical Chemistry\u003c\/strong\u003e: Used in preparing standard solutions where concentration must remain stable over time.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Amberized \u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e3.3 Borosilicate Glass \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eDrip-Tip: No\u003c\/li\u003e\n\u003cli\u003eJoint Size: Select from drop down\u003c\/li\u003e\n\u003cli\u003eHead: \u003cstrong\u003eP\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eenny Head (flat circular grip)\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBBAF\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"uJ19be notranslate\" data-sfc-root=\"c\" data-wiz-uids=\"zQNCY_1k,zQNCY_1l\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-wiz-attrbind=\"class=zQNCY_1j\/TKHnVd\" data-sae=\"\"\u003eBrand: OMSONS\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBBAF\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"uJ19be notranslate\" data-sfc-root=\"c\" data-wiz-uids=\"zQNCY_1k,zQNCY_1l\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-wiz-attrbind=\"class=zQNCY_1j\/TKHnVd\" data-sae=\"\"\u003eProduct of India\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"AdPoic\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003eSafe Autoclaving Guidelines\u003c\/div\u003e\n\u003cdiv class=\"Y3BBE\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBBAA\" data-complete=\"true\" data-processed=\"true\"\u003eTo prevent damage to the stopper or the vessel it is paired with, follow these best practices:\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cli class=\"dF3vjf\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBRAA\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eLoosen the Joint:\u003c\/strong\u003e Never autoclave a stopper that is firmly seated or \"greased\" in a joint. Thermal expansion can cause the glass to crack or the stopper to become permanently \"frozen\" in place.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBRAB\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eVenting:\u003c\/strong\u003e Ensure there is a path for steam to enter and pressure to equalize. It is often recommended to place a thin strip of paper between the ground glass surfaces or to set the stopper loosely on top of the flask.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBRAC\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eStandard Cycles:\u003c\/strong\u003e They can typically withstand standard autoclave cycles (e.g., \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e121°C at 15 psi for 15–20 minutes\u003c\/strong\u003e).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBRAD\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eAvoid Rapid Cooling:\u003c\/strong\u003e Do not move hot glassware directly into a cold environment or water, as even borosilicate glass can fail under extreme, sudden temperature differentials.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SmartLabs","offers":[{"title":"Amber Stoppers - 12\/21","offer_id":46918486556825,"sku":"OM-6601-07","price":25.18,"currency_code":"ZAR","in_stock":true},{"title":"Amber Stoppers - 14\/23","offer_id":46918486622361,"sku":"OM-6601-08","price":26.45,"currency_code":"ZAR","in_stock":true},{"title":"Amber Stoppers - 19\/26","offer_id":46918486655129,"sku":"OM-6601-09","price":38.15,"currency_code":"ZAR","in_stock":true},{"title":"Amber Stoppers - 24\/29","offer_id":46918486687897,"sku":"OM-6601-10","price":44.85,"currency_code":"ZAR","in_stock":true},{"title":"Amber Stoppers - 29\/32","offer_id":46918486720665,"sku":"OM-6601-11","price":74.75,"currency_code":"ZAR","in_stock":true},{"title":"Amber Stoppers - 10\/19","offer_id":46918486753433,"sku":"OM-6601-06","price":21.85,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/3584\/1945\/files\/penny-head-stoppers-with-ground-joint-amber-5877577.png?v=1776038429","url":"https:\/\/smartlabs.co.za\/products\/amber-stoppers-interchangeable-with-ground-joint-12-21","provider":"SmartLabs","version":"1.0","type":"link"}