It adopts SUS316 in materials contact portion to stop the rust and secure the safety during food packing interval, sauce barrel has heating/retaining heat perform to meet similar requirement. These powder filling machines are created with stainless-steel and therefore are easy to use. The one-fill head is a component https://www.linpack.com/news/the-hidden-benefits-of-vacuum-packaging-machines-for-e-commerce-and-retail