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Introduction to rebound rate of rubber products.

2025-04-11

Rebound rate, also known as rebound elasticity or impact elasticity, is an important performance indicator for measuring rubber elasticity. The ratio of the height of the rebound to the original height when using a pendulum to impact rubber at a certain height is called the rebound rate, expressed as a percentage (%). The larger the value, the higher the elasticity of the rubber.

Tear off permanent deformation, also known as permanent deformation, is an important indicator for measuring the elasticity of rubber. It is the ratio of the length increased by the deformed part of the rubber after it is stretched and pulled apart and parked for a certain period of time (usually 3 minutes) to the original length, expressed as a percentage (%). The smaller its diameter, the better the elasticity of the rubber. In addition, the elasticity of rubber can also be measured by compressive permanent deformation.

Tensile strength: also known as tensile strength. It refers to the force required per unit area for rubber to elongate to a certain length, that is, to elongate to 100%, 200%, 300%, 500%. Expressed in N/cm2. This is an important mechanical indicator for measuring the strength and toughness of rubber. The larger its value, the better the rubber's resilience, indicating that this type of rubber is less prone to elastic deformation.

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