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Five amazing benefits of a vacuum flask

October 2nd, 2023

The idea of keeping a liquid hot or cold for an extended period is already intriguing. In order to store tea, coffee, or cold beverages, a vacuum flask, also known as a thermos, is something that is often thought of first. The following article provides more details of the exceptional benefits of a vacuum flask.

Outstanding benefits

Good temperature retention

The vacuum flask is designed to keep either hot or cold liquid for an extended period without the need for heating or refrigerating. In an environment of about 25 degrees Celsius, the appliance can keep hot for 4 to 6 hours, while it can keep cold for 6 to 8 hours on average.

The most outstanding benefit of a vacuum flask is temperature retention: keeping the drinks hot or cold.

Structured with two or three layers to enhance insulation, vacuum flasks are capable of ensuring optimal heat retention performance. Besides, the flask's refill doesn't alter the original flavor of the stuff in storage.

Multi-functional, convenient

The main application of vacuum flasks is to store or prepare drinks such as coffee, and tea... Besides, the appliance can keep heat and preserve food, soup, porridge, etc.

The tea is kept warm so the taste will be better.

The lid of the vacuum flask can be used to store water. Some types of flasks are equipped with a tea strainer as well.

Money saving

Vacuum flasks are offered in various capacities, ranging from 350 ml to 2.5 liters, making them portable and thus convenient to bring along to work, school or camping. Consumers therefore won't have to spend much on drinks especially when traveling.

Users can also save much given a vacuum flask is often made of high-quality materials. It can be used many times, if the user provides good care, including regular cleaning.

Safe for health

The vacuum flask is manufactured from many materials, including stainless steel, glass, or plastic. Since it can replace plastic cups or straws, the flask is a good idea from the health standpoint. The commonly used materials are stainless steel 201, 304, and 430, which are bright and easy to clean, with no oxidation, no rust, high durability, and better heat retention.

Environment protection

Many people bring single-use plastic cups during their picnics which is not only bad for your health but also for the environment. Getting into the habit of carrying a thermos flask is contributing to reducing plastic waste and protecting the living environment.

Using vacuum flasks helps reduce plastic waste.

Rang Dong’s vacuum flasks

Rang Dong, Vietnam’s leading manufacturer of vacuum flask products, makes the appliance on a cutting-edge production line. The company has an advanced management system and a group of well-trained and highly skilled workers to make sure the product meets all customers' expectations.


Rang Dong supplies a wide range of vacuum flasks.

Production materials adhere to Vietnamese and international food safety standards such as LFGB, BS EN, etc., and do not contain harmful substances to humans and the environment. Therefore, Rang Dong’s vacuum flasks are definitely a worthy choice among the brands available on the market.

Should you have any questions or request a quotation of Rang Dong products, please send us an email to: export@rangdong.com.vn.

Websites: en.rangdong.com.vn and vacuumflask.rangdong.com.vn

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