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Food spoilage is primarily caused by oxidation and microorganisms, traditionally relying on chemical additives for inhibition. Now, physical preservation technology is changing the game. Taking Changpu EHA freshness-locking film as an example, it possesses ultra-high oxygen barrier properties (oxygen permeability <2cc/(m²·day·atm)), significantly delaying food oxidation and maximizing the preservation of freshness.

Changsu BOPA film is safe, non-toxic, and environmentally friendly, with superior overall performance. It is widely used in food, daily chemicals, pharmaceuticals, new energy vehicles and other fields, making it a leading film material for the future.

In today's era of rapid technological advancement, high-performance membrane materials, as a crucial branch of cutting-edge materials science, are becoming a key force driving global industrial upgrading and sustainable development. From the lightweighting needs of new energy vehicles to the green transformation of food packaging, from high-barrier solutions in the pharmaceutical field to high-performance insulation materials in the electronics industry, high-performance membrane materials, with their superior performance and broad application prospects, have become the "unsung heroes" of various industries.

BOPA boasts excellent tensile and puncture resistance, easily withstanding various long-distance, high-load, and harsh environmental transportation and storage processes. It is not prone to brittleness and breakage even at -60℃, thus preventing shortened shelf life or spoilage and waste, greatly expanding the application range and scenarios for frozen foods.