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Even under the correct storage conditions, without stress, rubber hoses and hose assemblies will naturally age, and product life has a limited lifespan. Improper storage, mechanical damage, and excessive stress are the most common causes of failure. The storage time of the hose assembly is not more than 4 years, the life of the hose assembly is not more than 6 years, and the storage time is not more than 2 years, but the actual use of each hose is different. If these factors can be taken into account, the life of rubber products can also be greatly extended
1. Arc welding will produce a high concentration of good oxygen, so it is necessary to ensure thorough ventilation during welding, and the hose storage point should be as far away from the welding operation area as possible.
2. Stress: The product must be free from stress during storage, such as tension, pressure, or other stress because stress will cause permanent deformation or cracks, such as O-rings, which cannot be suspended for storage.
3. Packaging and Contacts: Neither packaging nor coverings may contain substances harmful to the product, such as copper or cuprous alloys, gasoline, grease, and similar substances. Films containing plasticizers cannot be used as packaging materials. Products with stainless steel reinforcement layers should be protected with anti-rust film.
4. Certain metals such as steel or manganese also have adverse effects on rubber products. Rubber products should not be stored in contact with these metals. Packaging or other protective measures can be used, such as antistatic films, paper bags, and bags made of polyethylene or polyamide (nylon).
5. If the product is sprinkled with powder, these powders must not contain substances harmful to the product. The powders that can be sprinkled include talcum powder, white fine mica powder, and rice starch. Products of different compositions should be avoided, especially rubber products of different colors.
6. Other factors: Solvents, fuels, lubricants, chemicals, acids and disinfectants, and other similar products must be kept away.
7. Storage time: The storage time of the product should be shortened as much as possible. If the product is to be stored for a long time, the new product should be stored separately from the old product.
8. Rubber products can be cleaned with soap and warm water. The cleaning products should be dried at room temperature. After longer storage (6-8 months), it can be washed with a 1.5% sodium bicarbonate solution (baking soda) and then washed with water. If the rubber and metal joints still need to be sterilized, they must be thoroughly cleaned first. Disinfectant solutions should not be used as cleaning agents at the same time. Ensure chemical compatibility of sanitizing solutions and rubber products. For rubber products used in medicine, the disinfectant solution recommended by the manufacturer must be used. Certain rubber products can be extended with special coatings such as emulsifying wax, shellac (shellac), or something similar. But this coating is not recommended for medical rubber products. If silicone-free is required, special cleaning and storage methods must be used.
