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How Stretch Film Performance Is Built on the Production Floor
Insights from a Manufacturing Perspective In stretch film procurement, buyers often compare thickness, price per kilogram, or country of origin. However, in real-world logistics operations, stretch film performance is determined less by the specification sheet and more by how the film is manufact...Read more -
Why UV-Resistant Stretch Film Matters: Protection Beyond Wrapping
Standard stretch film works well indoors, but once products are exposed to sunlight, outdoor storage, or long-distance transportation, UV radiation becomes a serious risk. This is where UV-resistant stretch film makes a difference. What Is UV-Resistant Stretch Film? UV-resi...Read more -
Where Does Stretch Film Cling Come From? Three Main Sources Explained
Cling performance is one of the most critical properties of stretch film. It directly affects load stability, wrapping efficiency, and transportation safety. In commercial stretch film production, film cling generally comes from three main sources: 1. Natural Cling from Raw Material...Read more -
Why Does Stretch Film Color Vary? Three Key Factors Explained
Body In stretch film production, slight color differences between rolls or batches are a common concern for buyers, especially in logistics, warehousing, and manufacturing industries. These variations are usually not random. In most cases, they come from three core factors: 1. Raw Materia...Read more -
Why Do Film Rolls Develop “Bulges” During Winding?
Description: Roll bulging (“bagging” or “bubble” in wound film rolls) is a common but costly defect that originates from uneven internal stress distribution in the roll. It typically appears only after winding, unwinding, or delivery — making it a “silent” production killer. This paper analyze...Read more -
Stretch Film “Not Sticky” or “Too Sticky”?
Unveiling the Secrets of Adhesion Abstract Stretch film plays a critical role in cargo stability, transportation safety, and cost efficiency. However, end-users often encounter two extreme issues: insufficient adhesion or excessive stickiness. This article systematically analyzes the mechanisms...Read more -
Analysis of the Impact of Stretching on Film Performance and Structure
01 Introduction With the development of technology and increasing demands for film applications, forming processes are no longer limited to casting and blowing. New methods, such as casting combined with MDO (machine direction orientation), blowing combined with MDO, and biaxially oriented films...Read more -
How much do you know about elongation at break?
01 Definition of Elongation at Break Elongation at break refers to the ratio of the elongated length of a material under tensile force until it breaks to its original gauge length. It is an important parameter for measuring the toughness of a material, usually expressed as a percentage. A higher ...Read more -
In-depth Analysis of PE Stretch Film Raw Materials
01 Introduction Friends working in the PE film industry must often talk about PE film raw materials: LDPE, LLDPE, HDPE, etc. Perhaps some friends only know that they are low-density, linear low-density, and high-density PE respectively, but they have not yet understood their respective properties...Read more -
Introduction to Cast Stretch Film
01 Introduction to Cast Film and Its Production Process Cast film is a type of plastic film produced through the extrusion casting process, characterized by uniform thickness, flat surface, and excellent optical properties. Its basic production principle involves heating and melting thermoplastic...Read more -
Tensile strength and elongation at break of stretch films
1 Introduction In the world of stretch films, tensile strength and elongation at break are like two partners with distinct personalities—one pursues unyielding toughness, while the other advocates extensibility and tolerance. Understanding their relationship correctly is key to designing high-per...Read more -
Why does the stretch film develop “edge waves”?
01 Introduction In the world of film manufacturing, whether it’s high-precision optical films, stringent lithium battery separators, or everyday packaging films, flatness is the cornerstone of quality. However, a defect jokingly referred to by engineers as the “psoriasis of the film industr...Read more
