Basics of Sachet Packing Machines and Vertical Form Fill Seal Machines

Packaging industry players commonly use sachet packing machines and vertical form fill seal machines to package products like condiments, cosmetics, pharmaceuticals, and food items into sachets or small plastic pouches. These versatile machines allow manufacturers to achieve efficient and high-speed packaging while maintaining product quality and freshness.

What is a Sachet Packing Machine?

A sachet packing machine is designed to package contents into small sachets or pouches ranging from 1 ml to 500 ml in volume. Manufacturers make sachets from heat-sealable packaging materials like plastic, aluminum foil, and paper.

The sachet packing machine works by feeding the packaging material in reels into itself. It sterilizes the packaging material and forms tubes using seal bars. It then fills the tubes with the product and seals them at the top and bottom to create individual sachets. Advanced sachet machines also have features like date coding, perforating, and hole punching.

What is a Vertical Form Fill Seal Machine?

A vertical form fill seal machine creates bags or pouches from a flat roll of packaging film, fills the pouches with products, and then seals the packages. These fully automated machines perform the entire packaging process in one sequence.

The VFFS machine unwinds the packaging material from reels and forms tubes around stainless steel forming tubes using heat-sealing jaws. It seals the tube at the bottom and fills it with the product from the top. Finally, it seals the top to complete the package.

Key Differences Between Sachet and VFFS Machines

While both sachet and VFFS machines create sealed pouches, some key differences exist:

  • Sachet machines produce small pouches ranging from 1 to 500 ml in volume while VFFS machines can produce larger and variable-sized bags.
  • Vertical form fill seal machines can package liquid and powder products at very high speeds while sachet machines output at slower rates.
  • Manufacturers make sachet pouches from roll stock materials while VFFS machines form pouches from a flat film.
  • VFFS machines have dosing systems to fill pouches precisely while sachet pouches fill by volume.
  • Sachet machines require pre-made packaging material while VFFS machines form pouches in-line.

Choosing the Right Machine

When selecting a sachet or VFFS packaging machine, considerations include:

  • Required pouch dimensions
  • Product type - liquid, powder, granules, etc.
  • Desired output in sachets per minute
  • Packaging material
  • Budget and ROI

Reputable packaging equipment manufacturers can guide buyers in selecting the ideal sachet packing machine or VFFS machine based on application requirements. By investing in the right machine, manufacturers can achieve high-quality, efficient, and cost-effective packaging.

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