Overview
Polyethylene (PE) packaging sheets are thermoplastic films derived from ethylene polymerization, available in low-density (LDPE) and high-density (HDPE) variants. They dominate the packaging industry due to their versatility, affordability, and ease of processing. LDPE offers superior flexibility, while HDPE provides higher tensile strength. These sheets are manufactured through blown film extrusion, allowing customization of thickness (commonly 0.01–0.2 mm) and width. Their recyclability (resin ID #4) aligns with sustainability initiatives, though additives like UV inhibitors or colorants may affect compatibility with recycling streams.
Physical and Chemical Properties
PE sheets exhibit excellent moisture barrier properties (water vapor transmission rate <1.5 g/m²/day) and resist acids, alkalis, and most solvents at room temperature. Their dielectric strength makes them suitable for electrical insulation. However, they degrade under prolonged UV exposure unless stabilized. Mechanical properties vary by density: LDPE has higher elongation (500–700%) but lower tensile strength (10–20 MPa), whereas HDPE withstands 20–30 MPa with less stretch. Both types soften at temperatures above 80°C, limiting high-temperature applications.
Main Applications
In food packaging, PE sheets serve as inner liners for boxes or wraps for perishables. Their FDA-compliance ensures safety for direct food contact. Construction uses include temporary weather barriers and concrete curing blankets, leveraging their waterproofing and puncture resistance. Agriculture relies on PE mulch films to regulate soil temperature and suppress weeds. Specialty applications encompass medical sterile packaging (gamma-ray sterilizable) and industrial pallet covers. Anti-static variants protect electronic components during shipping.
Safety and Storage
PE sheets pose minimal health risks under normal use but emit volatile organic compounds (VOCs) when melted. Workers handling heated material require ventilation. Storage recommendations include rolling sheets (not folding) to prevent creasing and keeping them away from heat sources. Bulk storage should avoid direct sunlight to prevent premature degradation. Oxo-biodegradable additives, if used, require dry conditions to maintain shelf life. Fire safety measures are critical—PE is highly flammable (autoignition ~350°C).
B2B Procurement Guide
Key specifications to confirm include thickness tolerance (±5–10%), roll lengths (typically 100–1,000 m), and core diameter (3–6 inches). For outdoor use, request UV-stabilized grades with ≥2% carbon black or UV absorbers. Clarity requirements dictate whether to choose transparent, translucent, or opaque options. Suppliers often offer custom printing (up to 6 colors) and embossing. MOQs vary from 1–5 tons for standard grades. For cost-sensitive bulk orders, recycled-content PE (30–100% post-industrial) reduces pricing by 15–30% but may compromise consistency.
Related Manufacturers
- 主营：路基板、保护垫、耐磨衬板、聚乙烯衬板、临时铺路板、临时垫道板、防滑路基垫板
- 主营：尼龙板、塑料板、聚丙烯板、聚乙烯板、聚乙烯四氟板、聚乙烯铺路板、聚氨酯板、陶瓷衬板、复合衬板、焊接水箱、塑料风管、聚氨酯衬板、橡胶牛筋板、复合陶瓷板、料仓内衬板、临时铺路板、聚氨酯胶板、大型储水罐、聚氨酯垫板、耐磨煤仓衬板、废气排风管道、高铝陶瓷贴片、钻井工程垫板、煤仓料仓衬板、桥梁滑块导轨
- 主营：[]
- 主营：聚乙烯塑料、塑料板材
- 主营：三合一陶瓷复合衬板、氧化铝陶瓷衬板、聚四氟乙烯板、超高分子量聚乙烯板、聚乙烯煤仓衬板、聚乙烯板、聚四氟楼梯板5mm、聚四氟滑动支座板、压延微晶板、微晶铸石板、氟橡胶板、碳化硅、氧化铝陶瓷贴片、碳化硅板、碳化硅研磨管、尼龙板、铸石板、石棉橡胶板、聚氨酯陶瓷衬板、硅胶板、Pp板、Pe板
- 主营：高分子聚乙烯板、超高分子量聚乙烯板、尼龙板、PP板
- 主营：橡胶板、环氧板、尼龙棒、硅胶板、减震块
- 主营：链条导轨、煤仓衬板、料仓衬板、超高分子量聚乙烯板材、聚乙烯板、高分子聚乙烯板、粮仓衬板、稀土含油尼龙衬板、钢煤斗内衬板、卸煤沟衬板、压延微晶板、UHMW-PE棒材、尼龙板材、pp板材、铸石板、聚丙烯板、PE板、尼龙加工件、尼龙轴套、尼龙滑块、足球训练反弹板、铺路垫板、路基板、旱冰场围栏、尼龙棒材
- 主营：衬四氟、油井内衬管、钢带波纹管、超高分子聚乙烯管、聚乙烯耐磨管道、钢衬聚乙烯管道、衬塑管、钢塑复合管、矿用管、尾矿排放管、超高管、钢衬管道、化工衬塑管、矿浆耐磨管、大口径排水管、耐磨超高管、超高尾矿管、超高复合管、钢衬塑管道、衬塑管件
- 主营：透明板、塑料板、超厚板、聚乙烯板、阻燃板、增强板、pp防腐板、pp通风管、防腐板材、聚丙烯板、透明片材、斜板填料、塑料片材、车厢底板、塑料焊条、塑料焊接、灰色塑料、元聚pe板材、耐磨pp板材、耐高温pp板、白色pp板材、鸡粪输送带、聚丙烯片材、塑料防腐板、耐腐蚀板材
- 主营：PAPUUPE板、管链输送机刮板、尼龙四氟聚氨酯管、聚乙烯棒 聚丙烯棒、特氟龙板楼梯滑动支座、反应釜衬套、尼龙 氨酯注塑件、PP板 PE板焊接、零切 精加工塑料件、超高分子聚义板定制
- 主营：烤盘片、输送带、无缝带、fep薄膜、f46薄膜、ptfe薄膜、焊接薄膜、聚全氟乙、高温胶带、乙烯薄膜、食品网带、高温网带、真空采样器、特氟龙薄膜、特氟龙胶带、铁氟龙网带、铁氟龙高温、聚四氟乙烯、铁氟龙薄膜、特氟龙高温、耐高温漆布、铁氟龙胶带、特氟龙网带、乙烯高温布、全氟乙丙烯
- 主营：pp塑料板、聚丙烯板、聚氨酯板材、聚乙烯板、超高分子量聚乙烯板、聚丙烯水箱板、pp板、pe板、upe板、铸石板、压延微晶板、微晶铸石板、氧化铝陶瓷衬板、三合一陶瓷衬板、二合一陶瓷衬板
- 主营：铬锆铜、黄铜排、磷铜皮、磷铜丝、铍铜箔、紫铜带、铜合金材料、铝合金材料、304不锈钢带、H59黄铜板、C1100紫铜板、铝青铜板、C18150铬锆铜板、C5210磷铜板、锡青铜板、TA1纯钛板、T2紫铜板、H65黄铜带、洋白铜带、301不锈钢板、316不锈钢带、H65黄铜管、无氧铜管、304不锈钢管、1100纯铝带
- 主营：密封带、陶瓷纤维、法兰垫片、PTFE薄板、密封垫片、高水基盘根、混编盘根环、高压石棉板、黑四氟盘根、氟橡胶垫片、玻璃鳞片胶泥、碳纤维盘根环、三元乙丙丁腈板、金属复合板垫片
- 主营：PA66、POM、PC、PBT、PPS、LCP、PA9T、ABS、PC/ABS、PC/PBT、POE、EVA
- 主营：不锈钢、不锈钢板、水槽、天沟、不锈钢水槽、不锈钢装饰板、激光切割加工、钣金加工、排水沟盖板、缝隙式排水沟、地沟盖板、拉丝不锈钢、格栅板、不锈钢加工、镀钛不锈钢、镜面不锈钢、色板、蚀刻不锈钢、波纹板、乱纹不锈钢、镀铜不锈钢、屏风、井盖、不锈钢管、不锈钢收边条
- 主营：泡沫玻璃板、泡沫玻璃管、橡塑板、橡塑管、气凝胶毡、外墙保温装饰一体板、岩棉板、岩棉管、玻璃棉板、玻璃棉管、玻璃棉卷毡、防排烟柔性包裹、硅酸铝针刺毯、硅酸铝管、玻璃纤维针刺毡、STP真空绝热板、电梯井吸音板、匀质板、水泥发泡板
- 主营：中空板、塑料中空板、中空板周转箱、塑料包装盒、蜂窝板、万通板、pp中空板、塑料瓦楞板、中空塑料板、中空板刀卡、防静电中空板、隔板垫板、防护板、塑料纸箱、中空板飞机盒、塑料瓦楞箱、钙塑板、钙塑箱、塑料格挡、印刷中空板、加厚加硬中空板、现货中空板、全新料中空板、围板箱、重型周转箱