GB/T 43586-2023Polyolefin cold stretch sleeve film (English PDF)

Foreword

This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting: Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents: This document is proposed by China Light Industry Federation: This document is under the jurisdiction of the National Technical Committee for Standardization of Plastic Products (SAC/TC48): This document was drafted by: Suzhou Huarui Rubber and Plastic Technology Co:, Ltd:, Zhejiang Proportional Polymer Technology Co:, Ltd:, Dalian Huanuo Plastic Technology Co:, Ltd: Technology Co:, Ltd:, Dongguan Zhengxin Packaging Products Co:, Ltd:, Yantai Guangyuan Plastic Co:, Ltd:, Zhejiang Tianjian Testing Technology Co:, Ltd:, Sinopec Chemical (Beijing) Chemical Industry Research Institute Co:, Ltd:, Shenzhen Qiming Integrated Smart Packaging Technology Co:, Ltd:, Dalian Plastics Research Institute Co:, Ltd:, Zibo Jielin Plastic Pipe Co:, Ltd:, Kunshan Jinmeng Plastic Film Co:, Ltd:, Tianjin Jingjing Petrochemical Co:, Ltd:, Nanjing Yangzi Plastic Chemical Co:, Ltd: Responsible company, Zhenhai Petrochemical Industry Trading Co:, Ltd:, Ningbo Pangda Packaging Materials Technology Co:, Ltd:, China National Petroleum Corporation Co:, Ltd: Petrochemical Research Institute, Beijing Chemical Industry Group Co:, Ltd:, China National Petroleum Corporation Lanzhou Chemical Research center: The main drafters of this document: Li Delong, Mao Guoping, Yang Fengbo, Zhao Yang, Huang Weidong, Hu Xiaoyi, Zhu Jidong, Che Wancheng, Zhang Jun, Zhu Jianfeng, Li Juan, Tang Jinzhong, Shi Jiahao, Zhang Hao, Yang Yong, Yu Anqi, Liu Jinfeng, Pang Xiaofeng, Zhao Qimo, Li Xiaoyin, Cao Zhongqiang, Zhao Huihui: Polyolefin cold stretch casing film

1 Scope

China's national standard for polyolefin cold stretch sleeve film. The film is used to unitise pallet loads by a method that competes with stretch wrapping and shrink hooding: a tube of elastic film is stretched open mechanically, lowered over the loaded pallet, and released, so that its own elasticity clamps the load. Nothing is heated, which is the advantage - shrink hooding requires an oven and the energy that goes with it, and stretch wrapping applies its force in one plane only, leaving the load free to move vertically. A cold stretch sleeve holds the load down onto the pallet as well as inward. What the film has to deliver is a combination that is not easy in a polyolefin: enough elastic recovery to keep clamping for weeks, enough strength not to split at the corners while being stretched several hundred per cent, and enough puncture resistance to survive a forklift.

This document specifies the requirements, inspection rules, marking, packaging, transportation and storage of polyolefin cold-stretched casing film (hereinafter referred to as "casing film"): Describes the corresponding test methods: This document is applicable to the production and inspection of casing films made of polyolefin synthetic resin as the main raw material and made by blow molding and folding: and sales:

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document: GB/T 1040:

1 Determination of tensile properties of plastics Part 1: General principles GB/T 1040:

3 Determination of tensile properties of plastics Part 3: Test conditions for films and sheets GB/T 2828:

1 Enumeration sampling inspection procedures Part 1: Batch-by-batch inspection sampling plan retrieved by acceptance quality limit (AQL)

GB/T 2918 Standard environment for conditioning and testing of plastic specimens

GB/T 6672 Mechanical measurement method for thickness determination of plastic films and sheets

GB/T 6673 Determination of length and width of plastic films and sheets

GB/T 10006 Determination of friction coefficient of plastic films and sheets

GB/T 37841 Test method for puncture resistance of plastic films and sheets QB/T 1130 Plastic right angle tear performance test method QB/T 2358 Test method for heat sealing strength of plastic film packaging bags

3 Terms and definitions

There are no terms or definitions to be defined in this document:

4 Requirements

1 Appearance The appearance should comply with the requirements of Table 1: