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Long-term test

  • Aim

    To declare the expiration date of the product, a long-term test is necessary and shall be conducted according the recommended storage conditions of the product.

  • Storage Condition

    (1) General condition: 25±2°C / 60±5% RH
    (2) Refrigeration: 5±3°C
    (3) Freezing: -20±5°C

  • Time Interval

    Expiry date ≤ 6 months:

    Shall include the whole shelf-life. Test time points shall not be less than three times. E.g., 0, 1, 2, 6 months.

    Expiry date > 6 months, ≤ 1 year:

    Test time points shall not be less than five times, in principle, once a month for the first three months and then once every three months until the claimed shelf life. E.g., 0, 1, 2, 3, 6, 9, 12 months.

    Expiry date ≥ 1 year:

    Test time points are in principle every three months in the first year, every six months in the second year, and then every year. E.g., 0, 3, 6, 9, 12, 18, 24, 36, 48… months.