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518L -40℃ Laboratory Freezer： Precision-engineered for critical biomedical storage at -40℃ with ≤3℃ spatial uniformity and 180-minute rapid cooldown (25℃→-40℃, full load), featuring R290 natural hydrocarbon refrigerant and industrial-grade cascade cooling. CE safety certified, UL 250 listed, and FDA list for mission-critical applications: mRNA vaccine bulk storage (LNP stability >98%), freeze-dried plasma repositories (5-year preservation per WHO), CRISPR reagent hubs (gRNA activity >95% at -40℃), and bacteriophage therapy libraries (maintaining >10⁹ PFU/mL potency).
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