Overview
Nylon polyester vacuum bags are engineered multi-layer films combining nylon’s mechanical strength and polyester’s gas barrier properties. These bags are designed for vacuum-sealing applications where extended shelf life and contamination prevention are critical. Primarily used in food packaging (e.g., sous-vide), medical device sterilization, and industrial component protection, they outperform single-material bags by offering superior oxygen/moisture resistance (OTR <10 cc/m²/day, WVTR <5 g/m²/day) while maintaining flexibility.
Product Features
The nylon outer layer provides tear and puncture resistance (withstanding up to 5 kg/cm² pressure), while the polyester middle layer acts as a gas barrier. An inner polyethylene layer enables heat sealing at 120–150°C. Advanced versions may include aluminum foil (for light-sensitive products) or silicon oxide coatings (for microwave compatibility). Bags typically range from 80–150 µm in thickness, balancing durability and vacuum efficiency.
Main Uses
In food service, these bags are FDA/EC compliant for sous-vide cooking (temperatures up to 100°C) and long-term frozen storage. The medical industry uses gamma-ray or EtO-sterilizable versions for surgical tools. Industrial applications include protecting aerospace components from oxidation and packaging hygroscopic chemicals. Some bags feature anti-fog coatings for retail meat packaging clarity.
Culture and Development
First developed in Japan during the 1980s for military ration packaging, modern iterations now incorporate recycled content (up to 30% post-industrial nylon) and biodegradable layers. The rise of home vacuum sealers (like FoodSaver) in the 2000s drove consumer demand for affordable, small-format bags, while industrial users increasingly specify bags with tracking barcodes and anti-counterfeit features.
B2B Procurement Guide
Bulk buyers should verify certifications: FDA 21 CFR 177.1500 for food contact, ISO 11607-1 for medical use. MOQs for custom sizes typically start at 50,000 units. For industrial buyers, key metrics include oxygen transmission rate (OTR) validation reports and compatibility testing with existing vacuum chambers. Leading manufacturers include Amcor, Winpak, and Sealed Air, with lead times of 4–8 weeks for custom orders.
Related Manufacturers
- 主营：高压袋、收缩袋、插边袋、尼龙真空袋、塑料袋、平口袋、自粘袋、四方袋、工业包装、包装印刷、冷冻低温袋、塑料方底袋、透明外包装、纸箱内膜袋、透明内衬袋、加厚风琴袋、塑料食品袋、化工桶内袋、防火阻燃袋、服装包装袋、透明内膜袋、低压内衬袋、透明包装袋、大号薄膜袋、食品包装袋
- 主营：铝箔袋、彩印铝箔袋、耐高温蒸煮铝箔袋、一次性真空袋、真空袋、彩印真空袋、耐高温蒸煮袋、共挤膜、屏蔽袋、自立铝箔袋、铝箔吨袋、自封铝箔袋、铝箔风琴袋、米砖袋、共挤膜袋、蒸煮袋、立体铝箔袋、食品包装袋、三边封铝箔袋
- 主营：聚酯尼龙、自立拉链袋、三边封袋、八边封袋
- 主营：尼龙真空袋、铝箔袋、屏蔽袋
- 主营：面包袋、筷子袋、拉链袋、真空袋、塑料袋、铝箔袋、蛋糕袋、大米袋、食品袋、自封袋、皮纸袋、红糖袋、麻椒袋、pet风琴、手提袋、包装袋、食品包装、自动包装、面条包装、面包充气、食品纸袋、opp热切袋、蒸煮白袋、火锅底料、面包中封
- 主营：膳食袋、蒸煮袋、口罩袋、密封真空袋、调料袋、专用袋、麦片袋、果冻袋、棉球袋、芝酪袋、畜用袋、螺旋酥袋、塑料袋子、豆皮卷袋、芒果干袋、鸡胸肉袋、5kg大米手提袋、宠物食品包装袋
- 主营：口罩袋子、牛皮纸袋、通用包装膜、尼龙真空袋、塑料食品袋、食品包装膜、食品包装袋、大米包装袋、手提杂粮袋、复合包装卷膜、三边封塑料袋、四边封塑料袋、八边封包装袋、八边封塑料袋、磨砂开窗包装袋、茶叶包装袋、包装袋、塑料袋、编织袋、复合包装袋、纸塑包装袋、月饼包装袋、八边封食品包装袋
- 主营：文件袋、食品袋、口罩袋、果蔬袋、拉链袋、塑料袋、铝箔袋、手提袋、服装袋、背心袋、复合袋、包装袋、快递袋、pe自封袋、pe平口袋、需求定制、英贝包装、塑料透明、pvc礼品袋、pe透明防水、口罩自封袋、食品冷冻袋、食品自立袋、食品自封袋、白色购物袋
- 主营：光面真空袋、收缩膜、热封膜、包装袋
- 主营：面包袋、内衬袋、收缩膜、真空袋、塑料袋、铝箔袋、牛皮纸、撕拉袋、纯铝袋、密封袋、食品袋、自立袋、纸塑袋、自封袋、打包袋、皮纸袋、蒸煮袋、复合袋、牛皮袋、手提袋、液体袋、包装袋、吸嘴袋、彩印袋、包装薄膜
- 主营：食品级真空包装袋、铝箔自立自封袋、上膜下膜拉伸膜、熟食保鲜袋、零食彩印包装袋、烘焙面包袋、茶叶保鲜袋、冷冻速冻食品袋、三边封复合袋、八边封复合包装袋、高温蒸煮袋、肉制品包装袋、糖果坚果包装袋、酱料铝箔袋、定制彩印食品包装、真空熟食袋、彩印复合食品袋、零食密封袋
- 主营：圆底袋、铝箔圆底袋、pe袋子、真空袋、食品真空袋、平口袋、透明包装袋、四方袋、方底立体袋、复合袋、铝箔袋、塑料袋、包装袋、防静电袋子、电子产品包装袋、自封袋、食品包装袋、透明塑料袋、真空包装袋、自立袋、包装膜、复合膜、卷膜、pe膜、铝箔包装袋
- 主营：包装袋、热收缩膜、烟包膜、食品真空袋、电池收缩膜、冷冻包装袋、拉伸膜、复合膜、预制菜塑料包装袋、pe胶袋、pvc热缩套管、PE四方袋、风琴袋、PE自封袋、OPP自粘袋、热封膜、交联膜、食品包装袋、PE平口袋、EVA护角、铝箔袋、pvc收缩膜、EVA泡棉、pe收缩膜、CPE磨砂袋
- 主营：护角条、中空板、分格袋、尼龙真空袋、编织布、复合膜、内衬袋、气泡纸、保温板、泡沫条、收缩膜、拉链袋、塑料袋、编织袋、气泡袋、牛皮纸、泡沫板、内膜袋、立体袋、包装箱、包装膜、圆柱条、保护膜、充气袋、屏蔽袋、打包膜
- 主营：真空袋、食品包装袋
- 主营：包装袋、宠物食品包装袋、富氢水袋、真空袋、吸嘴袋、pe袋、内外包装袋、冷冻产品包装袋、水产品包装袋、调味品包装袋、八边封、口罩袋、铝箔蒸煮袋、异形袋、牛皮纸开窗袋、卷膜、拉链袋、种子包装袋、茶叶袋、一次性包装袋、面包袋、坚果包装袋、牛皮纸信封袋、清洁袋、纸袋
- 主营：真空包装袋、铝箔包装袋、医疗器械包装袋、高温蒸煮真空袋、果蔬包装袋、食品包装袋、包装袋定制