HM liner bags are typically made from high-density polyethylene (HDPE) or low-density polyethylene (LDPE), both of which are commonly used for food packaging due to their non-toxic, chemically inert, and food-safe properties. These materials are approved for food contact by various regulatory bodies such as the FDA and EFSA. For food-grade applications, HM liner bags must comply with strict food safety regulations to ensure the protection and safety of food products. Compliance with these standards is crucial for preventing contamination and maintaining food hygiene. HM liner bags must meet FDA Title 21 CFR requirements, which regulate substances that can be safely used in food packaging materials. Bags made from HDPE and LDPE that comply with these standards are deemed safe for food contact. HM liner bags, especially those made from LDPE, remain flexible in freezing temperatures and provide an airtight seal to prevent freezer burn. Their ability to withstand cold temperatures without cracking or breaking makes them suitable for frozen food packaging. HM liner bags can be used to package bakery products that require protection from moisture and contaminants while maintaining freshness. LDPE bags are often chosen for these applications due to their softness and flexibility.
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