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Comparison Zojirushi SJ-JS10 1.03 L vs Zojirushi SJ-SD12 1.2 L

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Zojirushi SJ-JS10 1.03 L
Zojirushi SJ-SD12 1.2 L
Zojirushi SJ-JS10 1.03 LZojirushi SJ-SD12 1.2 L
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Long time to maintain the temperature of the contents. Plug with valve mechanism. Resistant to plaque and odour coating of the flask. Retractable handle and detachable carrying strap.
Typethermosthermos
Specs
Capacity1030 ml1200 ml
Opening/supplyvalvevalve
Flask materialstainless steelstainless steel
Materialstainless steelstainless steel
Temperature after 6 hours82 °79 °
Temperature after 24 hours62 °54 °
Carrying handle
Shoulder strap
Dimensions (HxD)285x85 mm295x100x95 mm
Weight400 g800 g
Color
Added to E-Catalognovember 2019april 2014

Capacity

The nominal volume of a thermos is the maximum amount of contents that it can be guaranteed to contain.

This parameter is directly related to the type (see above). So, a capacity of up to 500 mL is quite normal for a thermo mug, a flask or a baby thermos, but it is considered small for a classic thermos, and even more so a jug or a thermos for food. The "500 to 1000 mL" category includes most traditional and food models; for mugs, flasks and children's thermoses, this is actually the maximum volume. Among the jugs there are many more capacious options — from 1000 to 1500 mL. A volume of 1500 to 2000 mL is considered quite large, and the most solid models can hold more than 2 liters.

Anyway, a large volume allows you to hold more drink or food, but the downside of this is an increase in the size, weight and price of the thermos itself. Therefore, when choosing, you should not chase the maximum capacity, but proceed from real needs. For example, a model of 400 – 500 mL is quite enough for two cups of coffee, and for tea drinking at a halt for 3 – 4 people, it is advisable to have a model of at least 1000 mL. More detailed selection recommendations can be found in special sources; especially they will be useful to those who choose a thermos for long-distance hiking trips.

Temperature after 6 hours

The main property of a thermos is to maintain the temperature of the liquid poured into it. Accordingly, the key parameter of efficiency is not so much the case material or some of its heat-insulating marketing chips, but the value of the water temperature after a certain period of time. So manufacturers, confident in the quality of their products, are happy to share their achievements. The temperature value after 6 hours shows how many degrees the boiling water poured into the thermos (98 °C) will cool down at an ambient temperature of about 20 °. And values of more than 80 ° can be considered very worthy.

Temperature after 24 hours

The main property of a thermos is to maintain the temperature of the liquid poured into it. Accordingly, the key parameter of efficiency is not so much the case material or some of its heat-insulating marketing chips, but the value of the water temperature after a certain period of time. So manufacturers, confident in the quality of their products, are happy to share their achievements. The temperature value after 24 hours shows how many degrees the boiling water poured into the thermos will cool (98 °C) at an ambient temperature of about 20 °. And with values of more than 50 °, a thermos can be considered one that keeps the temperature for a long time.

Carrying handle

The special handle for convenience of carrying of a thermos. The design of such a handle can be different: for example, in ordinary thermoses and thermo mugs (see "Type") it is usually installed on the side, in food thermoses and jugs — from above (and is made collapsible). The handle can be a structural element of both the thermos itself and its cover (see below). In addition, the small carrying strap that some models are equipped with is also considered a handle in this case (but the shoulder strap does not count, see below).

Anyway, holding a thermos by the handle is usually more convenient and safer than by the smooth body, especially when it comes to a large-capacity model.

Shoulder strap

The presence in the design of the thermos of a special belt, which allows you to comfortably carry the container on your shoulder. This function is usually found in large-capacity models, primarily food ones (see "Type"): it is much easier to carry a weighty thermos in this way than in your hands, and it's more convenient — your hands themselves remain free. Most often, the shoulder strap is attached to the thermos itself, however, in some models, it may be part of the complete cover (see below).
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