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Precautions in rubber hose storage

I.Conditions in storage room:

1. Recommended storage temperature for rubber hoses is between 10°C and25°C, and should in no case be higher than +40°Cor lower than -15°C,with relative humidity no higher than65°C.

2.Rubber hoses should be kept away from structures with thermal radiation, where necessary, thermal insulation measures should be taken to protect rubber hoses from the heat source.

3.Rubber hoses should be protected from exposure to direct sunlight or intense artificial light.

4.No device that may produce ozone should be kept in storage areas of rubber hoses, because ozone may cause severe influence on rubber products.

5. Rubber hoses should not be stored in areas that may produce electric field or magnetic field, including areas exposed to high-voltage cables or high-frequency power generators.


II. No contact with other materials:

1. Rubber hoses should be protected from contactingwith acid/alkali, oil, fuel, disinfectors, organic solvent or other corrosive liquid and gas.

2.Rubber of all kinds may be damaged by contactingwith some particular materials or their mixtures, including manganese, iron, copper and their alloys.

3. Rubber hoses should be protected from contactingwith PVC or wood or cloth soaked in creosote.

III. Rubber hoses should not be stored together with other products, but should be properly classified and stored separately by typesand models andbeproperly marked for easy access.


IV. It is preferred that rubber hoses are stored stress free in horizontal positions. Hoses of 76mm inner diameter or smaller may be stored in rolls, but the roll ID should in no case be smaller than 15 times the size of the rubber hose. If it is possible that rubber hoses are delivered to customer in forms of straight hoses, it is recommended that the hoses are stored horizontally without bending.


V. During the storage period, no heavy objects should be stacked on the hose body, to avoid mechanical stress, including overstretching, squeezing or deformation, and to avoid contactingwith sharp or pointed objects.


VI. Stacking height should be controlled at appropriate height to avoid hose deformation by external forces. During the storage period, stack transfer should be made regularly at least once a quarter. In case dead load may cause hose deformation, appropriate supports should be used.

VII. The storage period of rubber hoses should be as short as possible and should be no longer than two years in most cases and should follow FIFO principles, to avoid impactinghose qualitydue toprolonged storage.If long storage period is inevitable, inspection and tests are required before use.

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