Whether an adhesive tape is prone to break when subjected to a large external force depends on several factors.
First, the base material of the adhesive tape plays a key role. Common base materials include plastic film, cloth base, paper, etc. Adhesive tapes with plastic film bases usually have a certain degree of flexibility and strength, but may break if the external force exceeds its tolerance limit. For example, thinner transparent plastic adhesive tapes may break quickly when subjected to strong pulling, while thicker industrial plastic adhesive tapes may have higher tensile strength and are relatively less likely to break. Cloth-based adhesive tapes generally have higher tensile and tear resistance due to their fiber structure, and are relatively more difficult to break when subjected to large external forces. Paper-based adhesive tapes are relatively fragile and more likely to break under large external forces.
Second, the performance of the adhesive will also affect the performance of the adhesive tape when subjected to external forces. High-quality adhesives can provide stronger adhesion, making the bond between the adhesive tape and the adherend more secure. When subjected to external forces, adhesive tapes with strong adhesion are less likely to fall off or break from the adherend. However, if the adhesive is of poor quality or has aged, the adhesive strength will decrease, and the adhesive tape may break or debond under a small external force.
In addition, the width and thickness of the adhesive tape will also affect its ability to withstand external forces. Wider and thicker adhesive tapes generally have higher strength and tensile resistance and can withstand greater external forces. For example, when packaging heavy objects, using a wider adhesive tape can better disperse external forces and reduce the risk of adhesive tape breaking.
Environmental factors cannot be ignored either. In a high temperature environment, the substrate and adhesive of the adhesive tape may soften, resulting in reduced strength and easier breakage. In a low temperature environment, the adhesive tape may become brittle, have reduced tensile resistance, and easily break under external force. Humidity will also affect the performance of the adhesive tape. A high humidity environment may reduce the adhesive strength of the adhesive and reduce the adhesive tape's ability to withstand external forces.
In summary, whether adhesive tape is easy to break when subjected to large external forces cannot be generalized. It is necessary to comprehensively consider multiple aspects such as substrate material, adhesive properties, width and thickness, and environmental factors. When selecting adhesive tape, the appropriate type and specification of adhesive tape should be selected according to specific usage requirements and the external force to be borne, so as to ensure that it can function reliably during use.