Treat the adhesive family as a shortlist
Manufacturer ranges include acrylic grades developed around clarity and aging characteristics, and hot-melt grades developed for fast closure or particular carton surfaces. Performance varies within each family. Avoid statements such as 'all hot melt fails in the cold' or 'all acrylic is suitable for long storage': suppliers offer application-specific formulations. Ask for the exact proposed grade and its technical documentation rather than approving an adhesive name alone.
Separate application from service conditions
A carton sealed in a warm packing room and later stored cold has a different process from a carton taped inside a cold room. Write down both conditions, approximate storage duration and any condensation or moisture observed. Do not adopt a temperature limit from another manufacturer's tape. The proposed construction's documented application and service limits, and a trial on the actual board, should guide acceptance.
Describe the first failure you want to remove
Use precise observations: tape lifts before the case leaves the sealer; the edge lifts after overnight storage; the backing breaks during handling; or the operator struggles with unwind. Record board source, surface contamination, flap closure and machine settings alongside the tape used. Share a short process video if appropriate. This is more useful than requesting a 'stronger adhesive' without describing where the closure fails.
Run a controlled closure comparison
Choose candidate samples with clearly identified construction and dimensions. Keep carton batch, contents, sealing pattern and application method unchanged. Agree when to inspect and what counts as failure before reviewing results. Record the number of closures checked and exceptions observed instead of simply reporting 'works well'. If the tape is printed, compare the printed construction intended for supply, not an unrelated clear sample.
Include operator and line requirements
Record whether the tape is hand-applied or machine-applied, the dispenser or sealer model, usable length, core size and maximum roll diameter. Ask about unwind behavior and any line restrictions relevant to your equipment. Do not choose on the roll price alone: record roll changes, additional strips and rework during the trial. Keep those operating observations separate from supplier technical claims so a purchasing comparison remains auditable.
Make the RFQ easy to answer
Send a current tape label, carton photos, temperatures, manual or machine use, the observed problem and expected consumption. Request the acrylic and hot-melt alternatives on separate quote lines where both merit evaluation. Ask what sample, technical data and commercial terms apply to each option. An unknown adhesive is acceptable in an initial enquiry; an invented performance target is not necessary to start the discussion.
Technical references
Manufacturer references explain the selection principles discussed here. SAFLO quotations and approved samples define the product supplied for your order.
- Shurtape: acrylic packaging tapes ↗
Manufacturer guidance on acrylic product families; suitability remains grade-specific.
- Shurtape: application-specific hot-melt grades ↗
Manufacturer examples include recycled-board and cold-temperature constructions. These are not SAFLO product claims.