Происхождение термосов и повседневная жизнь
Термос, также известный как грелка, шедевр британского учёного Дюваля, но название ему дал немецкий стеклодув Райнхольд Берг.. Дизайн термоса продуман., с вакуумом между внутренней и внешней стенками. Без воздуха, тепло не может передаваться в вакууме, so the liquid in the bottle […]
ДЖСПИД 2025 Учжэнь Тур
ДЖСПИД 2025 Wuzhen Tour The June wind brushes over the white walls and black tiles, and the oars create ripples of summer in Jiangnan. On June 21-22, JSPEED temporarily bid farewell to the busy city and embarked on a team training journey immersed in the misty rain of the water town – the Wuzhen team […]
Identification method for thermos cups
1. Identification of insulation properties of the inner liner This is the main technical indicator of a thermos cup. After filling it with boiling water, tighten the bottle stopper or lid clockwise. After 2-3 минуты, touch the outer surface and lower part of the cup body with your hand. If you find obvious warmth on […]
Insulated Cup Science Popularization – Secrets in Numbers
In daily life, almost all the thermos cups we use are labeled with numbers such as 304, 316, 18/8, but most people do not know the meaning of these numbers. 1.304, 316 304 и 316 represent different stainless steel materials. The safety of the insulated cup depends on the material of the inner liner. What […]
Testing method for thermos cups
The testing methods for insulated cups mainly include insulation performance testing, sealing inspection, material verification, and impact resistance evaluation. The core methods are temperature change measurement and inverted water leakage testing. The following are specific steps and standards: 1. Thermal insulation performance test (1) Hot water insulation test Pour nearly 100 ℃ boiling water to […]
Can a thermos hold coffee?
A thermos can hold coffee, but attention should be paid to material selection and time control, as follows: 1. Material and Chemical Reaction Stainless steel insulated cup: It can hold coffee in the short term (2-4 часы), but it should be avoided to store for a long time. Tannic acid in coffee may corrode stainless […]
