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Best Thermal Flask

JRLGD 10ml Glass Schlenk Storage Tube Flask with 0-4mm High Vacuum Valve, Outer Diameter×Height 22×55mm

  • -【Specifications】Capacity of 10ml, storage tube outer diameter×height 22×55mm.
  • -【Material】Made of high borosilicate glass, it has the advantages of light weight, low thermal expansion coefficient, strong thermal shock resistance, can withstand 450 ° C high temperature for a long time, clear and transparent, uniform quality, widely used in optics, optoelectronics, photonics and Analysis equipment and other fields..
  • -【Suitable for】Schlenk flask is an indispensable laboratory glassware for reaction to air-sensitive chemical reactions. Compared with non-air-sensitive reactions, the schlenk flask has a 0-4mm high vacuum valve, which is connected to the schlenk line and controls the channel inert gas or vacuum..
  • -【Uniform wall thickness, durable】Low expansion rate, uniform wall thickness, strong and durable. High vacuum valve on top, can be evacuated or filled with gas..
  • -【Various models】We also provide a variety of other types of schlenk flask to meet your different needs..
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DADAKEWIN 500ml Reaction Flask Kjeldahl Reaction Ball-Shaped Borosilicate 3.3 Glass with 29# Joint, PTEF Stopcock Customizable Lab Flasks Glassware (Size : 500ml/29#)

  • Package include: a 500ml Lab Reaction Flask with 29# Joint, PTEF Stopcock and Long single neck.
  • Premium Materials: Reaction Flask is made from Borosilicate 3.3 Glass materials, which has a very low coefficient of thermal expansion, about one-third of ordinary glass. Resistant to high temperature and Resistant to 200 ° C temperature change..
  • This Reaction Flask consists of a tube flask facilitates heating and stirring. It has a sidearm fitted with a PTFE stopcock connecting to a vacuum or inert gases source. the top ground glass joint is used to attach the flask to other lab glassware apparatus, or stopped by a penney head stopper, rubber septum, permitting easy transfer of liquids or solids..
  • Each flask is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments..
  • Great for Professional Laboratories, Classrooms & Household.
  • Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use..
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DADAKEWIN 150ml Reaction Flask Kjeldahl Reaction Ball-Shaped Borosilicate 3.3 Glass with 19# Joint, PTEF Stopcock Customizable Lab Flasks Glassware (Size : 150ml/19#)

  • Package include: a 150ml Lab Reaction Flask with 19# Joint, PTEF Stopcock and Long single neck.
  • Premium Materials: Reaction Flask is made from Borosilicate 3.3 Glass materials, which has a very low coefficient of thermal expansion, about one-third of ordinary glass. Resistant to high temperature and Resistant to 200 ° C temperature change..
  • This Reaction Flask consists of a tube flask facilitates heating and stirring. It has a sidearm fitted with a PTFE stopcock connecting to a vacuum or inert gases source. the top ground glass joint is used to attach the flask to other lab glassware apparatus, or stopped by a penney head stopper, rubber septum, permitting easy transfer of liquids or solids..
  • Each flask is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments..
  • Great for Professional Laboratories, Classrooms & Household.
  • Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use..
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DADAKEWIN 100ml Reaction Flask Kjeldahl Reaction Ball-Shaped Borosilicate 3.3 Glass with 24# Joint, PTEF Stopcock Customizable Lab Flasks Glassware (Size : 100ml/24#)

  • Package include: a 100ml Lab Reaction Flask with 24# Joint, PTEF Stopcock and Long single neck.
  • Premium Materials: Reaction Flask is made from Borosilicate 3.3 Glass materials, which has a very low coefficient of thermal expansion, about one-third of ordinary glass. Resistant to high temperature and Resistant to 200 ° C temperature change..
  • This Reaction Flask consists of a tube flask facilitates heating and stirring. It has a sidearm fitted with a PTFE stopcock connecting to a vacuum or inert gases source. the top ground glass joint is used to attach the flask to other lab glassware apparatus, or stopped by a penney head stopper, rubber septum, permitting easy transfer of liquids or solids..
  • Each flask is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments..
  • Great for Professional Laboratories, Classrooms & Household.
  • Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use..
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250ml Glass Erlenmeyer Flask, Borosilicate 3.3 Glass Flask with Printed Graduation, Narrow Mouth, Pack of 6

  • 6 Pack Erlenmeyer Flask: You will get 6 pcs of 250ml lab conical flask, the flask has a narrow neck, clear printed graduations and beaded rims.
  • 3.3 Borosilicate Glass: The Glass Flask is made of high-quality, thickened 3.3 Borosilicate glass, uniform wall thickness, sturdy and durable, can be heated at high temperature and is not easy to break, stable performance, and long service life.
  • High Heat Resistance: It can withstand high temperature and thermal shock, has excellent chemical stability, and allows you to use it safely without breaking.
  • Safe Packaging and Transportation: Our products use customized thick packaging, safe storage, worry-free transportation, to ensure that the products you receive are perfect.
  • Wide Range of Applications: It can be used to teach chemical reactions, metal reactions or mixing various substances, dedicated to the laboratory, and also ideal for home school education and party.
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Laboy Glass 100mL Single Neck Round Bottom Boiling Flask Heavy Wall with 14/20 Joint Heating Distillation Reaction Receiving Flask Organic Chemistry Lab Glassware

  • ...m, as a sphere more evenly distributes stress across its surface. Laboy glass flasks are heavy wall designed,made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree Celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling..
  • WIDELY USED----The round bottom flask is widely used in organic chemistry,in a distillation or vacuum distillation apparatus ,it’s used a a distillation flask and receiving flask with a glass condenser and some adapters like the 10 way distillation adapter,take-off adapter.
  • In a reflux process,it’s used as a reaction flask with a reflux condenser.It is also used as a Distilling flask in rotary evaporators..
  • HIGH QUALITY---Laboy glass condensers are all made of high quality boroslicate glass according to ASTM E438,heavy wall design,durable and reusable.The ground joints are precisely grounded according to US standard..
  • BUY WITH CONFIDENCE----100% 90 DAY MONEY BACK GUARANTEE simply return for a full refund,no question asked.
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Laboy Glass 2000mL 2 Neck Round Bottom Boiling Flask with 24/40 Center & Side Joint Angled Distillation Apparatus Organic Chemistry Lab Glassware

  • ...taching any lab glassware apparatus with standard taper joint..
  • HEAVY WALL ---The 2 neck flask is heavy-wall designed , made by hand-blowing according to ASTM E438 ,made of high-quality borosilicate glass and annealed at 800 degree Celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling,durable and reusable..
  • 100% 90 DAY MONEY BACK GUARANTEE If you are not satisfied for any reason, simply return for a full refund, no questions asked. You have nothing to lose.Please also kindly undertand glassware is fragile, even if we pack them carefully,it may be broken during the shipment ,if you receive the items in broken status,don't hesitate to contact us ,we will arrange free replacement or full refund..
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VEVOR 2L Essential Oil Distillation Apparatus Lab Glassware Distillation Kit Water Distiller Purifier with Hot Stove Condenser S35 & 24 or 40 Joint

  • ...ssential oil distillation kit based on steam distillation principle to operate, increases essential oil rate, higher purity than the traditional way. This distillation apparatus can be used to DIY any essential oil you like..
  • 3.3 Borosilicate Glass: All glassware is upgraded 3.3 borosilicate glass material with good thermal stability. Hand-blown and polished for the perfect fit. The coefficient of thermal expansion of the glass is extremely small and can withstand severe temperature changes..
  • Standard & Frosted Joints: Joints are all standard size.
  • it is easy to install and replace. All joints are frosted for high air-sealed and no air leakage, ensuring distillation purity. The high distillation rate saves you money..
  • Secure Electronic Heater: Unlike the unsafe and complicated alcohol lamp heating, we provide a 1KW electric stove to heat the boiling flask, getting water vapor faster. And provide stable support and adjustable clamps to meet different operating requirements..
  • Complete & Professional Kit: 2000ml 2-neck boiling flask, 2000ml filling flask, electronic heating stove, metal stand, accessories kit, and clamp kit. This kit is perfect for collecting essential oils, water extracts, and distilled water in laboratories, homes, research centers, teach....
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ADAMAS-BETA 50ml 2 Neck Schlenk Reaction Flask Kjeldahl-Style Reaction Flask Tube with Glass Stopcock & 14/20 Joint

  • 50ml 2 Neck Reaction Flask with Glass Stopcock & 14/20 Joint.
  • Schlenk reaction flask for vacuum and no-air applications.
  • Made of borosilicate glass, heavy wall designed, the schlenk reation flask has the advantages of low coefficient of thermal expansion, high strength, uniform wall thinckness, high transparence, high temperature resistance.
  • Professional for chemical laboratories, high quality materials, fine workmanship, making chemical experiments more perfect.
  • If received damaged, please don't hesitate to contact us, we will solve it until satisfied.
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2L Lab Glassware Distillation Kit, Essential Oil Distillation Apparatus, Water Distiller Purifier with Condenser Joint（S35; 24/40 Joint), Include 1KW Electronic Heating Stove

  • ...ssential oil distillation kit based on steam distillation principle to operate, increases essential oil rate, higher purity than the traditional way. This distillation apparatus can be used to DIY any essential oil you like..
  • 3.3 Borosilicate Glass: All glassware is upgraded 3.3 borosilicate glass material with good thermal stability. Hand-blown and polished for the perfect fit. The coefficient of thermal expansion of the glass is extremely small and can withstand severe temperature changes..
  • Standard & Frosted Joints: Joints are all standard size.
  • it is easy to install and replace. All joints are frosted for high air-sealed and no air leakage, ensuring distillation purity. The high distillation rate saves you money..
  • Secure Electronic Heater: Unlike the unsafe and complicated alcohol lamp heating, we provide a 1KW electric stove to heat the boiling flask, getting water vapor faster. And provide stable support and adjustable clamps to meet different operating requirements..
  • Complete & Professional Kit: 2000ml 2-neck boiling flask, 2000ml filling flask, electronic heating stove, metal stand, accessories kit, and clamp kit. This kit is perfect for collecting essential oils, water extracts, and distilled water in laboratories, homes, research centers, teach....
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ADAMAS-BETA 250ml Schlenk Reaction Flask Kjeldahl-Style Reaction Flask Tube with 0-4mm High Vacuum Valve & 24/40 Joint

  • 250ml Reaction Flask with 0-4mm High Vacuum Valve & 24/40 Joint.
  • Schlenk reaction flask for vacuum and no-air applications.
  • Made of borosilicate glass, heavy wall designed, the schlenk reation flask has the advantages of low coefficient of thermal expansion, high strength, uniform wall thinckness, high transparence, high temperature resistance.
  • Professional for chemical laboratories, high quality materials, fine workmanship, making chemical experiments more perfect.
  • If received damaged, please don't hesitate to contact us, we will solve it until satisfied.
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Laboy Glass 1000mL Pear-Shaped Schlenk Flask Tube Kjeldahl-Style Reaction Storage Air-Free with High Vacuum Valve & 24/40 Joint Lab Glassware

  • ...ded to a flask or attaching a reflux condenser for reaction..
  • HEAVY WALL ---This schlenk flask is heavy-wall designed , made by hand-blowing according to ASTM E438 ,made of high-quality borosilicate glass and annealed at 815 degree Celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling,durable and reusable..
  • 100% 105 DAY MONEY BACK GUARANTEE If you are not satisfied for any reason, simply return for a full refund, no questions asked. You have nothing to lose.Please also kindly undertand glassware is fragile, even if we pack them carefully,it may be broken during the shipment ,if you receive the items in broken status,don't hesitate to contact us ,we will arrange free replacement or full refund..
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Laboy Glass 100mL Single Neck Round Botthom Schlenk Flask Reaction Kettle with 24/40 Joint & Glass Stopcock Air-Free at Side Arm Chemistry Lab Glassware

  • ...ed by a glass topper or 14# rubber septum.Capacity of 100mL..
  • HEAVY WALL ---This schlenk flask is heavy-wall designed , made by hand-blowing according to ASTM E438 ,made of high-quality borosilicate glass and annealed at 806 degree Celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling,durable and reusable..
  • 100% 45 DAY MONEY BACK GUARANTEE If you are not satisfied for any reason, simply return for a full refund, no questions asked. You have nothing to lose.Please also kindly undertand glassware is fragile, even if we pack them carefully,it may be broken during the shipment ,if you receive the items in broken status,don't hesitate to contact us ,we will arrange free replacement or full refund..
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