The corrugated sheath refers to a tubular elastic protective member connected by a foldable wrinkle sheet along the direction of folding and expansion. It has elasticity and can produce displacement under the action of pressure, axial force, lateral force or bending moment.

The rubber corrugated sheath is formed by pure rubber material pre-molded and then vulcanized by high temperature molding. It mainly uses the expansion and contraction of corrugations to achieve the unique properties of rubber, such as high elasticity, high air tightness, medium resistance, weather resistance and radiation resistance.

In order to prevent dust from entering various fine parts in daily equipment, people often install rubber corrugated sheaths to protect the parts. Due to the different use environment, the rubber corrugated sheath needs to have different properties, and the raw material selection is also different. The material of the rubber corrugated sheath should have the following characteristics: good corrosion performance, long-term work in media such as acid, alkali, oil, etc. Its volume and hardness change should be small, and it does not adhere to the metal surface, and the internal density is high, also can withstand higher pressure, excellent elastic deformation effect, etc.

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