蔬菜包装膜

蔬菜包装膜

蔬菜包装膜简介

BOPP双面热封防雾膜是以双向拉伸聚丙烯（BOPP）为基材、经涂覆或共挤工艺制成的功能性热封膜，专为新鲜蔬菜、水果、沙拉及生鲜产品的透明包装而设计。

核心特征：

（1）热封性：

蔬菜包装膜具有双面热封性能，薄膜内外两侧均具备良好的热封性，热封温度范围通常在110℃至150℃之间，封口牢固平整，能适应高速枕式包装机的连续作业，尤其适合包裹叶菜、根茎类蔬菜及净菜等不规则形状产品。

（2）防雾性

高效防雾功能，膜内或涂层中添加了特殊防雾剂，在冷藏或温度波动环境下，内表面不会凝结成细密水滴，而是形成均匀水膜，保持高度透明，使消费者清晰看见蔬菜的色泽与新鲜度，同时防雾效果持久，避免水珠滴落加速腐败。

（3）保护性

优异的物理性能，BOPP基材具备高透明度、高光泽度、抗拉伸强度高、耐穿刺性好等优势，能有效防止蔬菜硬质部分（如菜梗、辣椒蒂）刺破包装，同时挺度高，上机运行顺畅不卷曲。

（4）保鲜性

适度的保鲜平衡，薄膜具有可控的气体透过性，能维持包装内氧气与二氧化碳的微平衡，减缓呼吸作用，延长货架期，并在0℃至10℃冷藏条件下保持柔韧不脆裂。

（5）适用性

广泛的设备兼容性，适用于各类枕式包装机、热收缩包装机及自动称重包装设备，厚度、宽度及卷长可按需定制。BOPP双面热封防雾膜凭借其良好的热封性能、持久防雾效果及优异的展示性，为生鲜蔬菜提供了兼具美观与保鲜功能的理想包装方案。

(1) Heat sealing:

Vegetable packaging film has double-sided heat sealing performance. Both sides of the film have good heat sealing performance. The heat sealing temperature range is usually between 110℃ and 150℃. The sealing is firm and flat, which can adapt to the continuous operation of high-speed pillow packaging machine. It is especially suitable for wrapping irregularly shaped products such as leafy vegetables, root vegetables and clean vegetables.

(2) Anti-fog

High-efficiency anti-fog function, special anti-fog agent is added to the membrane or coating. In the refrigerated or temperature fluctuation environment, the inner surface will not condense into fine water droplets, but form a uniform water film, maintaining high transparency, so that consumers can clearly see the color and freshness of vegetables. At the same time, the anti-fog effect is long-lasting, avoiding water droplet dripping and accelerating corruption.

(3) Protective

Excellent physical properties, BOPP substrate has the advantages of high transparency, high gloss, high tensile strength, good puncture resistance, etc., which can effectively prevent the hard parts of vegetables (such as vegetable stalks and chili stalks) from piercing the packaging. At the same time, it has high straightness and smooth operation without curling.

(4) Freshness preservation

Moderate freshness balance, the film has controllable gas permeability, which can maintain the micro-balance of oxygen and carbon dioxide in the package, slow down respiration, extend the shelf life, and maintain flexibility and non-brittle under refrigeration conditions of 0℃ to 10℃.

(5) Applicability

Wide range of equipment compatibility, suitable for all kinds of pillow packaging machines, heat shrink packaging machines and automatic weighing packaging equipment. The thickness, width and roll length can be customized on demand. With its good heat sealing performance, long-lasting anti-fog effect and excellent display, BOPP double-sided heat sealing anti-fog film provides an ideal packaging solution for fresh vegetables with both beauty and freshness.