(1) It is best to store collagen casings away from light and dryness. The room temperature should be controlled at 15~25°C, the relative humidity of the air should be 65~75%, and the distance from heating equipment should not be less than 1 meter during storage in winter;
(2) The shelf life of collagen casing is generally 2 years
(3) It is recommended to open the package before use. If the casing has been stored at low temperature, do not open the package for more than 2 days. Open the package when the room temperature returns to 15-25°C.