Transparent polypropylene (PP) machine sealing tape is offered in two widths: 50 mm (2 in) in a box of 12 rolls, and 76 mm (3 in) in a box of 8 rolls. Both come in 910 m (1,000 yd) rolls and are designed specifically for use in automatic or semi-automatic sealing machines, not for manual use with a dispenser. The choice between the two widths depends on the size of the boxes you are sealing and the model of your automatic sealing machine.
🎯 Choose the variant in 10 seconds
- If your case involves a sealing machine with a 50 mm head or small to medium boxes: go to the 50 mm (2 in) width
- If your case involves a sealing machine with a 76 mm head or large and heavy boxes: go to the 76 mm (3 in) width
What to consider before choosing the variant
Both variants share the same material (transparent polypropylene), length per roll (910 m), and are designed for use in automatic sealing machines. The difference lies in the tape width and packaging per box. Here are the criteria for making the right choice:
- Compatibility with the sealing machine: The width of your machine's head determines the tape width you can use. Automatic sealing machines come with either a 50 mm or 76 mm head. Check your machine's manufacturer specifications before ordering tape. Using the incorrect width can cause jams, uneven seals, and premature wear of the head.
- Size of the box to be sealed: 50 mm is the standard width for small to medium boxes (up to 30 × 30 cm lid) and for light to medium loads. 76 mm provides a wider seal and is the choice for large boxes (larger than 40 × 40 cm) or for heavy loads that require greater sealing security.
- Machine tape vs. manual tape: Both variants are specific to machines. They have a narrower core (72 mm or 3 in) than manual tapes (which are usually 76 mm or more) and come in much longer lengths (910 m per roll vs. a typical 100 m for manual tape). They are NOT interchangeable with manual dispensers.
- Packaging volume: With 12 rolls per box and 910 m per roll, a box of 50 mm tape provides a total of 10,920 m of tape. With 8 rolls in the 76 mm box, it provides 7,280 m. Consider this yield when planning monthly consumption.
- Adhesion and transparency: High adhesion for secure sealing of boxes during transport. Transparency makes it easy to see labels, barcodes, and trademarks located under the tape without needing to open or reposition it.
50 mm (2 in) variant: the standard for small and medium boxes
- Standard market width: 50 mm
- 910 m per roll (1,000 yd)
- Box of 12 rolls: 10,920 m total
- Thickness 50 µm (200 gauge)
- High adhesion, transparent
- Insufficient for very large boxes
- Only suitable for machines with a 50 mm head
- Not for use with a manual dispenser
The 50 mm tape is the standard width for automatic sealing machines in warehouses and medium-sized packaging lines. Its 50 µm (200 gauge) thickness, 72 mm core, and high adhesion ensure reliable sealing of boxes with light to medium loads. The packaging in a box of 12 rolls covers operations with intermediate consumption and simplifies stock management. It is the standard choice for stores, distributors, businesses, and companies with packaging lines for small or medium boxes.
76 mm (3 in) variant: the wide one for large boxes and heavy loads
- Wider sealing area: 76 mm
- More secure closure for heavy boxes
- 910 m per roll (1,000 yd)
- Box of 8 rolls: 7,280 m total
- Transparent polypropylene
- Oversized for small boxes
- Only suitable for machines with a 76 mm head
- Higher tape consumption per box
The 76 mm tape provides a wider sealing area, suitable for export boxes, large appliances, bulky electronic equipment, or heavy loads that require maximum sealing security. It is the typical format for industrial packaging lines where a single pass of tape must definitively seal the box without risk of detachment during handling and transport. The packaging in a box of 8 rolls optimizes warehouse space as it is a consumable with a larger unit volume.
Comparison table of variants
Both variants are made of the same material and length, designed for automatic sealing machines. The difference lies in the tape width and the packaging per box.
| Feature | 50 mm (2 in) | 76 mm (3 in) |
|---|---|---|
| Ideal Use | Small and medium boxes | Large and heavy boxes |
| SKU | 523454 | 624345 |
| Width | 50 mm (2 in) | 76 mm (3 in) |
| Length per roll | 910 m (1,000 yd) | 910 m (1,000 yd) |
| Packaging | Box of 12 rolls | Box of 8 rolls |
| Total meters per box | 10,920 m | 7,280 m |
| Material | Polypropylene (PP) | Polypropylene (PP) |
| Color | Transparent | Transparent |
| Thickness | 50 µm (200 gauge) | 50 µm (200 gauge) |
| Core diameter | 72 mm (3 in) | 72 mm (3 in) |
| Adhesion | High | High |
| Use | Automatic sealing machine | Automatic sealing machine |
Use case → recommended variant matrix
| If your case is… | Recommended variant |
|---|---|
| Standard packaging line with boxes up to 30 × 30 cm | → 50 mm (2 in) |
| Shop, business or distributor with medium boxes | → 50 mm (2 in) |
| Sealing machine with 50 mm head | → 50 mm (2 in) |
| Export with large boxes and heavy loads | → 76 mm (3 in) |
| Packaging of appliances or bulky equipment | → 76 mm (3 in) |
| Sealing machine with 76 mm head | → 76 mm (3 in) |
Before ordering tape, confirm the required head width with your sealing machine's technical sheet. If your machine supports both formats (some sealing machines have interchangeable heads), you can combine 50 mm for standard boxes and 76 mm for specific cases. Store rolls vertically on a flat surface, away from heat sources, in a dry and ventilated area. Avoid crushing the core, as this can cause irregular winding and machine jams. An unopened box has an approximate shelf life of 12–18 months with proper storage.
Do not use machine tape in a manual dispenser, or manual tape in an automatic sealing machine. Machine tapes are longer (910 m vs. 100 m) and have a core fitted to the machine's roller. In a manual dispenser, the reel will be loose or won't fit, leading to uncontrolled winding. Manual tapes, on the other hand, are too short for an automatic line and require frequent stops to change reels. Use each tape for its specific purpose.
50 mm or 76 mm for your line?
Tell us the model of your automatic case sealer, the average size of the boxes you seal, and the approximate monthly volume. You will receive the exact width recommendation and the quantity of boxes needed.
Frequently asked questions
Can I use this tape in a manual dispenser?
It is not recommended. Machine tapes have a narrower core (72 mm) and a much longer roll (910 m) than manual tapes (which are usually 100 m with a 76 mm core). In a manual dispenser, the roll does not fit correctly or remains loose, causing irregular unwinding and making clean cutting difficult. For manual use, look for tapes specifically designed for manual dispensers.
What does 200 gauge or 50 µm thickness mean?
They are the same measurement expressed in different units: 200 gauge corresponds to 50 micrometers (µm) of polypropylene film thickness. This is a standard thickness for industrial packaging tapes: sufficient to withstand tension during transport without being excessively rigid for the machine. Thinner tapes (150 gauge) are less resistant; thicker tapes (250+ gauge) are for extreme loads.
Why transparent and not brown?
Transparent tape allows labels, barcodes, and trademarks located under the tape to be seen without the need to open or reposition. It is the preferred option when the box has visible commercial printing (logo, brand, handling instructions) or when a barcode is applied before closing. Brown tape is used when the box is generically kraft and does not require visibility.