Moisture-proof protection: The rubber dust cover can also prevent moisture from entering the speaker unit and prevent damage to the speaker unit in a humid environment. Moisture can cause problems such as corrosion, mildew, or short circuits, so the rubber dust cover can provide a layer of protection to ensure the normal operation of the speaker unit in a humid environment.
Fluoroelastomers: Fluoroelastomers are a high-performance rubber material with excellent oil resistance, solvent resistance and high temperature resistance. It provides a higher level of sealing performance and durability in speaker rubber dust covers.

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