Fluororubber sheets,as a high-performance sealing material,are widely used in industrial fields.However,many people may have doubts about the shelf life of fluororubber sheets when using them.So,exactly how long is the shelf life of fluororubber sheets?This involves multiple factors.
From the general characteristics of rubber products,the technical standards for rubber products have regulations on the shelf life.If the storage conditions meet the requirements,rubber with strong anti-aging properties like fluororubber can theoretically remain undamaged for a long time.However,the actual shelf life is affected by various factors such as storage environment.
Storage temperature is one of the key factors affecting the shelf life of fluororubber sheets.
Generally,the ideal storage temperature is between 5-25℃.For fluororubber sheets,it is recommended to store them at-10°C to 20°C.Excessively high temperatures can accelerate the aging and hardening of fluororubber sheets,causing them to lose elasticity,which undoubtedly reduces their performance and service life.For example,fluororubber sheets stored in high-temperature environments for a period of time may become brittle and crack,unable to perform their sealing functions normally.
Humidity also has a significant impact on the shelf life of fluororubber sheets.
The relative humidity in the warehouse should not exceed 70%,avoiding overly humid or overly dry conditions,and condensation should be prevented.A humid environment may cause mold to grow on the surface of fluororubber sheets,and the metabolic products of mold can corrode the rubber,reducing its performance.At the same time,overly dry conditions may also cause the rubber sheets to crack.
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Lighting conditions should not be ignored.
Fluororubber sheets should be protected from direct sunlight and strong artificial light sources containing ultraviolet rays.Ultraviolet rays have high energy and can damage the molecular structure of rubber,causing it to age.Therefore,using UV-resistant packaging bags or treating warehouse windows,such as applying red or orange paint or attaching films,can provide good protection against light for fluororubber sheets.
It is also necessary to avoid damage from ionizing radiation and prevent them from being exposed to circulating air,as oxygen and ozone are harmful to most elastomers.
During storage,contact with air can be reduced by packaging,wrapping,storing in airtight containers,or other appropriate methods.Moreover,the warehouse should avoid mercury vapor lamps,high-voltage electrical equipment,motors,and other devices that may produce ozone.
In actual storage,fluororubber sheets should be stored in a dry and well-ventilated place,with the relative humidity controlled below 40%and the environmental temperature maintained within an appropriate range.They should also be protected from contact with organic solvents,acids,and alkalis and other chemical substances.At the same time,the storage time should be minimized,and they should be sealed in transparent plastic bags.
Under ideal storage conditions,the shelf life of fluororubber sheets can be relatively long.However,if the storage environment is poor,the shelf life may be significantly shortened.Therefore,correct storage methods and suitable storage environments are crucial for extending the shelf life of fluororubber sheets.Only in this way can we ensure that fluororubber sheets maintain good performance when needed,providing reliable support for related industrial applications.
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