Best Thermal Vacuum Flasks

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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PYREX 250 mL Long Neck Boiling Flask, Flat Bottom and Tooled Mouth, 2/Pk

LABORATORY FLASK: Corning provides a number of PYREX brand flasks for special purpose applications.
SAFE & DURABLE: Offering superior heat, chemical and thermal shock resistance.
PERMANENT MARKINGS: Permanent white enamel to resist chemical attack during lab usage.
EASY TO CLEAN: The reusable glass scientific flasks are easy to clean and can be sterilized safely in autoclaves at 121°C, making them ideal for repeated use in busy lab environments..
PYREX GLASSWARE: PYREX scientific glassware has been a trusted partner for chemists and research scientists in the toughest laboratory environments for more than 100 years..

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Laboy Glass Single Neck Flat Bottom Boiling Flask 1000mL with 24/40 Joint Heavy Wall Distillation Receiving Apparatus Organic Chemistry Lab Glassware

...be attached to any jointed glassware with a 24/40 male joint..
HEAVY WALL ---Laboy glass flasks are heavy wall design , 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..

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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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Heating Mantle LED Digital Lab Hotplate up to 380℃ (716℉) with Temperature contorl for Scientific Laboratory Liquid Heating -US Plug (5000ml)

Reinforced thermal isolation allowing maximum yield, safety and power saving Uniform heat distribution due to product quality, expressed in heat yield and perfect flask running.
Round bottom flask. Aluminium body. Finishing in epoxy (polyoxide).
Designed for use with Round Bottom Flasks. Epoxy coated aluminium housing. Replaceable, flexible heater cartridge. Maximum temperature 450 C. For use with 250ml Round Bottom Flasks.
Power: 200w. Available in 115v and 230v 50-60 Hz..
Includes electronic power controller which acts by impulse with adjustable timing through a pilot lamp..

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Mad Lab - Experimentos Científicos

1. Distillation of Essential Oils DIY Make a professional suit to meet your needs. All flasks are made of 3.3 borosilicate glass that is hand blown and polished for perfect fit. Comes with everything as pictured..
2. High-quality thick production, high temperature, temperature up to 500 degrees, let you worry-free experiment. Perfect set for organic chemistry labs, distillation, fractional distillation, separation, purification, and synthesis..
3. Good thermal stability. The coefficient of thermal expansion of glass is very small and can withstand severe temperature changes..

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Laboy Glass Revised Simple Apparatus Kit Set with 24/40 Joints Organic Chemistry Lab Glassware Equipment Lab Clamps Included

The glassware parts includes 1000mL,500mL round bottom flasks,250mm erlenmeyer flask and receiving flasks,liebig condenser,3 way thermometer adapter, vacuum take off adapter,All the glassware are with 24/40 standard taper joints..
the kit also includes flask clamps,bosshead clamp,rubber tubings,plastic joint clip.
Laboy glassware are all made of high quality boroslicate glass according to ASTM E438,heavy wall design.The ground joints are precisely grounded according to US standard..
100% 90 DAY MONEY BACK GUARANTEE simply return for a full refund,no question asked.

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DADAKEWIN 250ml Lab Distilling Flask 19/19/19 Joint, Amber Glass Round Bottom, 3.3 Borosilicate Glass Heat Resistant Customizable Lab Distillation Flask- Pack of 1 (Size : 250ml/191919)

Package include: 250ml Lab Distilling Flask, 3 Neck with 19/19/19 Joint.
Premium Materials: Distilling 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..
Round-bottom flasks are often used to contain chemical reactions for reflux set-ups and laboratory-scale synthesis.Round bottom design having spherical bottoms are more resistant to fracturing under vacuum, as a sphere more evenly distributes stress across its surface.and allows more uniform heating or boiling of a liquid..
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 50ml Lab Distilling Flask 19/19/19 Joint, Amber Glass Round Bottom, 3.3 Borosilicate Glass Heat Resistant Customizable Lab Distillation Flask- Pack of 1 (Size : 50ml/191919)

Package include: 50ml Lab Distilling Flask, 3 Neck with 19/19/19 Joint.
Premium Materials: Distilling 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..
Round-bottom flasks are often used to contain chemical reactions for reflux set-ups and laboratory-scale synthesis.Round bottom design having spherical bottoms are more resistant to fracturing under vacuum, as a sphere more evenly distributes stress across its surface.and allows more uniform heating or boiling of a liquid..
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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