4 Inch Brown BOPP Packing Tape








- Width: 96mm / 4 inch finished roll format for wide carton sealing
- Color: Brown kraft-style appearance for industrial packaging use
- Material: BOPP film backing with pressure-sensitive adhesive coating
- Structure: Single-sided carton sealing tape with stable roll winding
- Roll Options: Standard and customized roll lengths available
- Applications: Large corrugated cartons, export boxes, and warehouse packing
Foshan Opalus Adhesive Products Co., Ltd manufactures 4 Inch Brown BOPP Packing Tape with a 96mm finished roll width for large carton sealing applications. Designed for oversized corrugated cartons, export boxes, and wider center seams, this 4 inch brown tape provides broader surface coverage than standard narrow rolls while maintaining controlled winding, clean slitting, and consistent roll performance for industrial packaging operations.
Product Overview
A 96mm finished roll gives this brown tape 4 inch format a practical advantage when packaging teams need wider seam coverage on large cartons. Instead of applying two narrow strips side by side, one wider tape strip can cover more of the sealing area and simplify carton closure work.
The tape uses a BOPP film backing with a pressure-sensitive adhesive coating for carton sealing applications where stable film support, consistent unwinding, and reliable surface contact are required. For wider carton surfaces, consistent roll construction is important because uneven edges or unstable winding can affect dispensing performance during manual application.

Carton & Seam Matching for 96mm Wide Tape
In practical carton sealing operations, tape width is usually matched with the carton structure rather than selected by width alone. Large export cartons, recycled corrugated boxes, and cartons with wider center seams may require additional coverage to maintain consistent sealing contact.
Benefits
- Covers wider carton center seams with one 96mm tape strip instead of multiple narrow applications.
- Helps simplify sealing work on oversized corrugated cartons and export boxes.
- Keeps finished rolls stable during dispensing through controlled slitting and rewinding.
- Matches wide-format carton sealing operations where roll width and application consistency are important.

When Should 96mm Brown BOPP Tape Be Selected Instead of Standard 48mm or 72mm Widths?
A 96mm brown BOPP tape format is usually chosen when standard widths do not provide enough coverage across the carton seam. For larger corrugated boxes, export cartons, or packaging with wider flap areas, the additional width can reduce the need for multiple narrow strips and create a cleaner sealing pattern.
The final specification depends on the carton design, application method, and dispenser setup. A wider tape is not automatically required for every carton, but it can be more practical when sealing coverage is the main concern.
TDS / Technical Data
| Item | Typical Value |
|---|---|
| Product Type | 4 inch Brown BOPP Packing Tape |
| Finished Roll Width | 96mm / 4 inch |
| Width Tolerance | Controlled according to production specification |
| Backing Material | BOPP film |
| Color | Brown |
| Adhesive Type | Pressure-sensitive acrylic adhesive |
| Total Thickness | Specified according to required tape construction |
| Film Thickness | Matched with selected BOPP backing grade |
| Roll Length | Standard or customized length |
| Core Size | 76mm / 3 inch core |
| Roll Diameter | Depends on thickness and roll length |
| Peel Adhesion | Confirmed according to agreed testing method |
| Holding Power | Evaluated according to application requirements |
| Tensile Strength | Based on selected BOPP film grade |
| Elongation | Grade dependent |
| Unwind Force | Adjusted according to dispenser and application conditions |
| Slitting Quality | Clean edge control and width consistency |
| Winding Condition | Checked for roll flatness and telescoping control |
Wide-Roll Converting & Quality Control
Because 96mm finished rolls have a larger contact width than standard carton tapes, slitting and rewinding control become more important. Production checks focus on clean slit edges, stable winding tension, roll flatness, core fitting, and telescoping prevention. Retained samples can be compared during repeat production to maintain consistent roll appearance and dimensions.
Applications
- Large corrugated carton sealing
- Export carton closure
- Oversized box packaging
- Warehouse packing lines
- Wide center seam carton sealing
How Should Large Carton Sealing Performance Be Verified Before Using 4 Inch Tape?
Testing should be carried out on the actual cartons that will be sealed rather than relying only on tape specifications. A practical trial can evaluate seam coverage, adhesive contact, edge lifting, dispensing performance, and compatibility with the intended tape dispenser.
Different carton materials, including kraft liner and recycled corrugated board, may produce different results. Checking the tape under real packaging conditions helps ensure the selected width and construction match the application.

FAQ
How many millimeters is a 4 inch brown packing tape?
A 4 inch brown tape is approximately 96mm wide. The finished width can vary according to agreed production tolerance and roll specification.
When is 96mm tape more suitable than 48mm or 72mm tape?
96mm tape is more suitable for large cartons, wider center seams, and applications where broader sealing coverage is preferred over applying multiple narrow strips.
Can 4 inch Brown BOPP Packing Tape fit standard dispensers?
Many 96mm rolls use a 76mm / 3 inch core, but dispenser compatibility should also consider roll diameter, tape width clearance, and unwind force requirements.
How should thickness and roll length be specified?
Thickness and roll length are normally specified according to carton size, sealing conditions, dispenser type, and required usage efficiency.

