... coffee, chemical-free viscous granular objects, automatic packaging packaging bags, the machine can also upon request with nitrogen, ... sealable filter paper or other composite packaging material inside the bag:Outer bag: polyester / aluminum / polyethylene, paper / polyethylene, cellophane ... inner diameter of 75mmthree, the technical parameters1. forms: three-side sealPacking speed: 30 to 55 bags / ...