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  • 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 ...
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  • In-depth Analysis of PE Stretch Film Raw Materials

    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...
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  • Introduction to Cast Stretch Film

    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...
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  • Tensile strength and elongation at break of stretch films

    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...
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  • Why does the stretch film develop “edge waves”?

    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...
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  • Want to know about PE stretch film? Here it is!

    Want to know about PE stretch film? Here it is!

    01 Background of PE Stretch Film Before the 1990s, the domestic stretch film market was dominated by polyvinyl chloride (PVC). PVC stretch film, produced with PVC as the base material and DOA as both plasticizer and self-adhesive, had fatal flaws such as being non-environmentally friendly, high i...
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  • Why does the stretch film have “water ripples”?

    Why does the stretch film have “water ripples”?

    01 What is Water Ripple?   Typically, the surface of freshly extruded film should be smooth. However, sometimes longitudinal wavelike patterns (usually parallel to the direction of traction) similar to rippling water may appear on the surface or inside the film. This phenomenon is known as “...
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  • The Versatility of Stretch Film in Diverse Applications

    The Versatility of Stretch Film in Diverse Applications

    Stretch film’s versatility is one of its most remarkable features, making it applicable in a wide range of industries and scenarios.​ In the logistics and transportation industry, stretch film is primarily used for pallet wrapping. It securely fastens products to pallets, preventing them fr...
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  • The Ease of Use of Stretch Film in Packaging

    The Ease of Use of Stretch Film in Packaging

    In the world of packaging, ease of use is a key factor that can significantly impact efficiency. Stretch film stands out for its simplicity and convenience in application.​ Stretch film is lightweight, which makes it easy to handle. Workers can effortlessly carry rolls of stretch film and apply i...
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  • Stretch Film: Superior Protection Against Damage

    Stretch Film: Superior Protection Against Damage

    Protecting products from damage during transportation and storage is a top priority for businesses. Stretch film offers superior protection, making it a preferred choice in various industries.​ Stretch film is highly resistant to tears and punctures, which is crucial for safeguarding products. It...
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  • The Security Benefits of Stretch Film in Transportation

    The Security Benefits of Stretch Film in Transportation

    When it comes to transporting goods, security is of utmost importance. Stretch film(标红文字插入URL链接) provides several security benefits that help protect products during transit.​ One of the primary security features of stretch film is its ability to securely bind items together. By tightly...
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  • Stretch Film: An Eco – Friendly Packaging Choice

    Stretch Film: An Eco – Friendly Packaging Choice

    In an era where environmental sustainability is a global concern, businesses are constantly seeking eco – friendly packaging solutions.Stretch film has emerged as a viable option that combines functionality with environmental responsibility.​ Stretch film is typically made from linear low &...
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