Table of Contents
Raw Materials for BOPP Self-Adhesive Tape
BOPP (Biaxially Oriented Polypropylene) self-adhesive tape begins its journey with high-quality raw materials. The primary component is polypropylene, a thermoplastic polymer known for its excellent tensile strength and durability. This material is processed to create a film that can be oriented in both machine and transverse directions, enhancing its performance characteristics.
Adhesives are another crucial element in the production of BOPP tape. These adhesives can vary depending on the intended application of the tape. They are formulated to provide strong bonding properties while remaining easy to unwind from the roll. The combination of high-grade polypropylene and specialized adhesives ensures that the final product meets various industry standards.
Production Process of BOPP Jumbo Rolls
The production of BOPP jumbo rolls involves several steps, starting with the extrusion of polypropylene pellets. These pellets are heated and melted, then extruded through a die to form a thin film. This film is then subjected to a biaxial orientation process, where it is stretched in both directions. This step is crucial as it imparts strength and clarity to the film, making it suitable for adhesive applications.
After the film is created, it undergoes a coating process where a layer of adhesive is applied. This is typically done using a gravure or flexographic printing method. Following this, the coated film is cured to ensure the adhesive bonds properly. Once cured, the film is wound into large rolls, known as jumbo rolls, which can later be converted into smaller rolls for retail or industrial use.
| Parameter | Details |
| Product | jumbo roll tape |
| Material | BOPP(Biaxially Oriented Polypropylene) (BOPP(Biaxially Oriented Polypropylene)) Film |
| Adhesive Type | Acrylic water-based formula for adhesive PUrposes |
| Adhesion Strength | ≥ 400 g/inch (varies based on application) |
| Tape Width | 980unit of millimeters + 1280unit of millimeters + 1620unit of millimeters |
| Tape Length | 4000 m, 8000 m |
| Tape layer thickness | 38 and 60 microns (with adhesive layer) |
| Temperature Resistance | -20°C to 80°C |
Quality Control Measures
Quality control is a vital aspect of BOPP self-adhesive tape production. Throughout the manufacturing process, samples are taken at various stages to test for consistency and adherence to specifications. Parameters such as film thickness, adhesion strength, and clarity are rigorously monitored. These tests ensure that the final product performs well under different conditions.
In addition to in-process testing, finished jumbo rolls are also subjected to comprehensive inspections before they are shipped. This includes checking for any defects in the film and ensuring that the adhesive properties meet the required standards. By maintaining strict quality control measures, manufacturers can deliver high-performance BOPP tapes that meet the diverse needs of their customers.
