During storage and transportation, the product should be protected from direct sunlight, rain and snow immersion, sharp gas scratches, and avoid contact with acids, alkalis, oils and various organic solvents. The storage location of the product should be more than 1m from the heat source and the environment should be 15°C-40°C. The rubber joint shall have the quality and performance in accordance with the requirements of this standard within the one-year storage period from the date of manufacture
