T/CPPIA 44-2024 Spiral Wound Polyethylene Bubble Belt。
T/CPPIA 44-2024 Spiral Wound Polyethylene Bubble Belt。
Basic Information
Scope
Scope: This document specifies the requirements for the size, appearance, and mechanical properties of cast polyethylene stretch wrap (hereinafter referred to as "stretch wrap"), describes the sample conditioning and test environment, sampling and corresponding test methods, and stipulates the inspection rules, marking, packaging, transportation, and storage. It also provides a classification that facilitates technical specifications. This document applies to the production, inspection, and sale of stretch wrap made from polyethylene resin as the main raw material through cast molding processes. Main technical contents: 5. Requirements: 5.1 Size: 5.1.1 The width and deviation shall comply with the requirements specified in Table 1. 5.1.2 The thickness and deviation shall comply with the requirements specified in Table 2. 5.2 Net mass shall comply with the requirements specified in Table 3. 5.3 Appearance shall comply with the requirements specified in Table 4. 5.4 Mechanical properties shall comply with the requirements specified in Table 5.