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About Tea Bag Packing Machine (Pyramid & Filter Paper)

A tea bag packing machine automatically forms, fills and seals tea bags with options for pyramid (nylon or PLA mesh) or flat filter-paper styles, often with an outer envelope, tag and string. It doses loose leaf, herbal, fruit and scented teas by volumetric cup, auger or multihead weigher, producing 30 to 80 bags per minute depending on format. Ultrasonic or heat sealing and optional nitrogen flush help preserve aroma and extend shelf life.

How to Choose

  • Bag format - pyramid (3D mesh) for premium leaf tea, or flat filter-paper double-chamber for standard tea.
  • Inner or outer and tag - decide if you need an outer envelope, tag and string, and tear notch for retail shelves.
  • Dosing system - volumetric cup for leaf tea, auger for fine powder, multihead weigher for mixed or delicate blends.
  • Sealing method - ultrasonic for nylon or PLA mesh (clean edges), heat sealing for filter paper; match to your material.
  • Speed and material - confirm bags per minute and film or substrate (nylon, non-woven, PLA, paper) compatibility.

FAQ

Q: What is the difference between pyramid and flat tea bag machines?
A: Pyramid machines use nylon or PLA mesh to form 3D bags that show whole leaf and improve infusion; flat filter-paper machines make standard double-chamber or 3-side-seal bags.

Q: Can the machine pack both the inner bag and outer envelope?
A: Yes, most automatic tea bag machines form the inner filter bag and the outer envelope together, often adding a tag and string in the same cycle.

Q: How are tea bags sealed - heat or ultrasonic?
A: Filter paper is typically heat-sealed, while pyramid nylon or PLA mesh is usually ultrasonically sealed for clean, fray-free edges and material savings.

Q: What fill weights and speeds are typical?
A: Fill ranges are commonly 1 to 15 g per bag with accuracy around plus or minus 0.1 to 0.5 g, and speeds vary from about 30 bags per minute for pyramid to 60 to 80 for filter paper.