After the water to boil, add the hot pack, 10 minutes later to see if the internal material melt completely, when completely melt can be removed , then and need insulation food together put in the thermal bags (water heating melt, you don't need to worry about box because the water is only 100 degrees c)
Please wear gloves when take out, avoid scald.
The range of application:
Applicable to school, work to carry lunch, outdoor activities, tourism, take-out lunch need to keep the temperature field. Add a layer of flannel, can used for heating in winter.
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Jisi Cold Chain Technology Co,ltd specializing in the production of plastic material ice pack cooling elements, We are the factory, from the plastic box production to liquid filling is completed by ourselves.
So we can according to the needs of customers, to custom any shape,any specification,any color and even to design according to customer's idea.
In addition,for the gel cooling liquid,We can also according to customer requirements to custom different temperature of phase change material (PCM),it can be 0-8degree C, -10degree C -15degree C -18degree C,-20degree C,-30degree C ect. The company also constantly improve products, to provide you with more choices.