Many liquid products require hot-filling or pasteurization to ensure shelf stability, and the spout pouch is engineered to meet these rigorous demands. Specialized laminate structures are used to create a barrier that can withstand temperatures often exceeding 90°C without losing structural integrity or leaking. This heat resistance ensures that the spout pouch remains a safe and reliable vessel for perishable goods like fruit purees or dairy-based drinks. Brands must work closely with suppliers to select the correct film grade based on the specific thermal processing requirements of their unique filling line.
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