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Is hot melt adhesive used for sealing takeaway packaging boxes? Selection and Usage List

2026-08-17    Views: 5    Chinese

Why are more and more takeaway boxes being usedhot melt adhesivesealing

Compared to tape,Hot melt adhesive granulesThe seal is clean, residue free, and can pass through automatic lines, making it particularly suitable for food contact packaging such as lunch boxes, paper cup covers, and handbags. Selected correctly, both fast and stable.

森莱热熔胶默认封面

5 things to confirm before selecting (list)

  • Substrate: white card, kraft paper, coated paper or PP coated paper? Different materials use different adhesives.
  • Whether in contact with food: Priority should be given to models with food contact compliance instructions.
  • Line speed: The high-speed automatic box sealing line requires materials with fast initial adhesion and short opening time.
  • Storage environment: Cold chain takeaway should be of a model that is resistant to low temperatures and does not become brittle.
  • Odor requirement: Store made and sold on site, low odor can better maintain appetite.

List of Computer Usage

linkkey points
Melt glue cylinderSet at the recommended temperature for the brand, do not exceed the upper limit to prevent carbonization
coating weightSealing position 0.2-0.4 g/section, excessive glue overflow, insufficient opening
Press fitAfter sealing, maintain pressure for 1-2 seconds before releasing
clear the machineClean the nozzle at the end of each shift and perform deep cleaning on weekends

Sunlife hot melt adhesive packaging sealing granules provide food contact compliance versions. Guangzhou Sunlife Trading can send samples according to your box type for trial production before increasing the quantity.

Frequently Asked Questions

Q1: Will there be oil or soup leakage after sealing?
Selecting the right model and controlling the coating amount, it is normal; The coating surface material needs to be confirmed to be adhesive.

Q2: How to break the seal when it becomes brittle in low temperature weather?
Replace with a low temperature resistant model or increase the adhesive temperature and pressure appropriately.

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