1.optonal material:PET,PP,PVC,Hot melt glue,easy film and glass) 2.application:for food, ... factory,such as polythene(PE),polypropylene(PP),polyeste(PET),polyvinyl(PVC),hot melt glue,easy film and glass etc,mainly used for ... is suitable for sealing of sealing of plastic bottle(PP,PVC,PE,ABS,HDPE,PS and DURANCON),glass bottle and various ...