Gongyi xinhuafeng pipeline equipment co. LTD.

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July 28, 2025

What are the differences between food-grade rubber joints and ordinary rubber joints?

Rubber Joints are typically produced from standard rubber, namely natural rubber. However, considering their need to adapt to various pipelines, multiple types of rubber are employed to manufacture flexible rubber connectors with diverse properties, enabling versatile application in numerous fields such as machinery, chemical engineering, petroleum, and construction. Utilizing their unique elasticity and excellent sealing performance within various pipelines, rubber joints play a crucial role in connecting components and providing cushioning effects.
 
Our Food Grade Rubber Joints represent a specific category within these products. Manufactured from fluoroelastomer rubber approved for food contact, they directly interact with consumables. Therefore, it is essential that they possess a smooth surface, lack dead corners, and are easy to clean and sterilize. Crucially, the rubber itself must be non-toxic and harmless. Regarding installation and usage methods, they are identical to standard rubber joints. During installation, ensure the food-grade Rubber Expansion Joint remains in its natural state; avoid inducing artificial deformation.
 
Food grade rubber joints are normally suitable for conveying ordinary water or food substances within a temperature range of 0 to 60°C (32 to 140°F). Conversely, standard rubber joints can be selected for pipelines handling special media, such as oil, high temperatures, other corrosive substances, or fluids containing abrasive solids. In these specific cases, joints made from correspondingly resistant materials must be chosen. They must not be used interchangeably or generically.
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