Cup Liner Difference: The Inner Liner Is Divided Into Water Rising Liner And a Stretching Liner

Water-up liner, the cost is relatively low, daily stainless steel insulation cups are used in this liner process. This kind of liner on the cup height requirements is not big, conventional straight, tapered insulation cup cup types are applicable. Water up one-piece molding, production time is short, high efficiency, the cost is relatively low. But there are also shortcomings, water liners will have welded seams, and the welded seams can not be removed by electrolysis or polishing subsequent process. This is a disadvantage for customers who have high demands on product aesthetics. Because of the water-up liner one-piece molding, a more complex liner structure water-up mold can not be produced, this is another disadvantage of the water-up liner.

Stretching liner, with higher cost and seamless liner, is suitable for branded customers with higher quality requirements. Since the stretching process is carried out in stages, this liner process can produce a variety of shaped cup liners. The liner is seamless, the product is more integrated, and the product is more beautiful compared to the water-up liner. Some of the higher cup types, due to the stretching need to be carried out in multiple channels, if the use of a stretching liner, the cost is very high, and multiple stretching, stainless steel needs to be vacuum annealed, the cost is relatively high. Therefore, in the daily production process, if the cost control is more stringent, stretching liner need to be carefully considered.

Other liner processing methods In addition to the regular water rising and stretching two inner liners. For brand customers, our factory also provides liner spraying ceramic process. Conventional stainless steel liners, contact with food will affect the original flavor of food, especially such as coffee and other strong flavor of food, contact with stainless steel will make its original flavor discount. By spraying ceramics on the stainless steel surface, the flavor of the food can be effectively prevented from changing. Conventional carbonated beverages, such as Coke, Sprite, soda, etc., are held in stainless steel containers, for long-term use, the stainless steel liner will appear corrosion. The use of internal spray ceramic technology can effectively isolate the corrosion. However, the internal spray ceramic process is difficult to process, and the scrap rate is relatively high, compared with the conventional stainless steel liner, so the cost will increase. Customers can choose the process according to the actual requirements accordingly.

This article describes in detail the difference between the daily insulation cup liner process, I hope that your choice of customized insulation cup is helpful!

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