Five criteria for choosing the best coffee thermos

10월 2일, 2023

Many people would start their days with a cup of coffee. But the drink may ruin a morning if it's cold or not freshly brewed. For those who enjoy drinking coffee on the go, a coffee thermos would be an ideal choice. Whether the beverage is hot or iced coffee, a reliable thermos will retain the drink's optimum flavor and temperature for a longer period. Given the ample supply of thermoses, selecting the right one might be tricky. Some of the main following factors should be carefully considered prior to making the purchase.

Size and capacity

Choosing the right thermos with the right capacity depends on its usage. A thermos capable of holding less than 750 ml (around 25 oz) is suitable for those with a sedentary lifestyle such as students and white-collar workers.

Coffee thermos come in different sizes, enabling it to meet various demands.

For those who work outdoors or play sports, a thermos with capacity of above 1 liter should be a good option as their dehydration rate is above that of an average person.

Heat retention 

A thermos can keep drinks hot or cold for at least four to six hours. A quality vacuum thermos must have a gasket to prevent heat from escaping and its lid must be tightly fitted so as to avoid air from any air leakage or penetration.

Double-walled vacuum insulation can keep the beverage inside at its ideal temperature.

Drinks can be kept hot or cold for extended hours thanks to the vacuum insulation technology. This also means that the thermos can prevent water vapor from condensing outside.

Inner pot material

The inner pot of a coffee thermos is made mainly from either stainless steel, plastic or glass. The materials must stay cool when filled with hot water, and not sweat if filled with cold drinks.

Stainless steel

Most thermoses on the market today are made of stainless steel. The commonly used stainless steel sheets for the refill are divided into different grades, including SS201 and SS304. SS304 has better quality than SS201 and is safe for health.

The material is durable and able to withstand the test of time. High-end thermoses use double-walled vacuum technology to effectively maintain the temperature of the beverage in storage.

Stainless steel is commonly used to make thermoses.

Plastic

The plastic thermoses are cheap, reusable and easy to carry, but they can not retain heat for a long time. The hot water can cause deformation of the product.

Glass

Using this material, the thermos' advantages include long heat retention, easy cleaning and no alteration of the beverage's original flavor. However, it can crack easily and the cost is high for each replacement with a new refill.

Sample of a coffee thermos, model RD-0740 ST3.E, a product from Rang Dong , Vietnam's leading manufacturer of vacuum flask products.

Design

There are many different types of coffee thermos. Minimal designs may be preferable for people who love minimalism or don’t care about how their drink container looks. 

The thermos provides great  convenience for camping or hiking activities.

Before buying, please consider the reason for using a thermos or where we will be using it. For those who have an active lifestyle or play sports, a handle-equipped mug shall be the best choice.

A compact thermos will make it easy to hold during a camping or hiking trip.

Price

The cost of a coffee thermos often depends on its brand and quality. Buying a thermos should fit consumers’ budget while the quality element should not be skimped. There is usually a trade-off between price and quality.

On the other hand, a high price does not always imply a superior quality.

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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