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Brand Name: Keyster
Drink ware Type：Vacuum Flasks & Thermoses
Thermal Insulation Performance:24 hours
Certification:CE / EU, FDA, LFGB, SGS
Feature:Eco-Friendly, Portable, Stocked
Material:Plastic Body, glass liner
Usage:water, coffee, tea, drinking
Type:keep hot & cold water bottle
Place of Origin:Nantong, Jiangsu, China
Thermos insulation principle
The principle of thermos insulation means that the cork stopper is used to prevent the convection between hot and cold air; the gap between the double-layer bottles is vacuumed to solve the heat conduction; a thin layer of silver is applied to the bottle. Make it a mirror that reflects light and reflects heat, so that the silver layer is used to block the heat radiation. In this way, heat will not be lost and will play a role in heat preservation.
How to tell if a new thermos is insulated？
Attach the empty bottle to your ear. The bigger the echo, the better! This is a way to detect whether the water bottle has cracked. The sound is the echo of the air flow. The bigger the echo, the better!
Instructions for use
1. Please thoroughly clean the inside of the container lid and the inside and outside of the container for preheating or pre-cooling (fill with hot or cold water, cover the lid for 5~10 minutes, pour off the water in the container), and keep the heat preservation effect better.
2. The bottle liner should avoid severe vibration, and the bottom tail pipe must not be damaged, otherwise the heat preservation performance will be lost.
3. When purchasing the bottle liner assembly, do not force the bottle liner into the shell; check that the bottom bottom screw is flat and well, and tighten the bottle when tightening the bottle.
4, placed in a place where children can not touch, so as not to burn.
Why choose us?
1. We are the only manufacturer in China that is still producing glass liners for insulated lunch boxes.
2. Glass material insulation thermos bottle liner is more environmentally friendly and safer than stainless steel liner, and will not decompose harmful substances.
3. The company supports customizing various types of glass liners.
4. It can provide three kinds of environmental protection grades of medium and high temperature, which meet the import standards of any country in the world.