What is a good thermos made of ?
Take the stainless steel thermos cup as an example. What material does a good thermos cup use?
There are many types of stainless steel. Generally, when you buy a thermos, the words you hear most are 201 stainless steel, 204 stainless steel, and 316 stainless steel. What do they mean?
201 stainless steel generally refers to the general name of 201 stainless steel and acid-resistant steel. For water bottle, 201 stainless steel is industrial grade stainless steel, and Industrial grade stainless steel is not used for the processing of food and drinking utensils.
304 stainless steel is also called austenitic 304 stainless steel, also call 18/8 stainless steel. 304 stainless steel is food grade stainless steel, compared with 201 industrial stainless steel, 304 is safer and healthier.
316 stainless steel is a derivative of 18-8 austenitic stainless steel, and 316 stainless steel is medical grade stainless steel, medical grade steel is higher than food grade.
So the material used for a good cup must be 304 stainless steel or 316 stainless steel, to ensure that the product reaches food grade, safety and hygiene.
Dongguan Zhan Yi Commodity Technology Co.,Ltd. always adheres to the business philosophy of honesty and quality first. The material of the water cup insists on using double wall 304 stainless steel, or the combination of outer 304 stainless steel and inner 316 stainless steel. We firmly do not impersonate defective products as good products and cut corners. We accept that all buyers can randomly select our products for material testing.