therefore, play a key role in the costs caused e.g. by material use, adhesive application amount and maintenance frequency (reflected in the operating time of the [...] version with food contact certification is also available. Packaging material. Application system. Closing system. Whether sealing strip, sealable valves or a sealable [...] opening or have specifications for use and warnings printed on the surface. Application example: hot melts for closing paper bags and combination bags. Herbert
https://www.jowat.com/pt-BR/detalhe-da-redacao/flexible-packaging-sealing-closure/