Primus Thermometers - polycarbonate recommended

This thermal mug I had 1 year and was very happy with it, because he kept absolutely tight and my freshly made tea so long hot holding, as you need to drink it. "45 min and then lukewarm" The sentence I can not understand with really hot drinks, although the insulation is significantly lower than that of the stainless steel cups or cans with similar container capacity.
One should pay attention to the stroke of the seal, as only the closed position matches the thread height and comes at too high a level liquid in the outlet channel, but that should be known by other applications of the push-button principle as thermoses.
IA is the cup very stable, except for a weak point that I had not expected: the plastic connecting the seal to the lid. Through an oversight, the lid fell to the ground, and it is this connection broke, making the cup unusable.
Anyone looking for a thermo who o.ae. a freshly infused tea after about 1.5h cooling to hot drinking temperature can, and his drinking fountain driving pail drinks in less than 1 hour, will be satisfied here with this.