Polyurethane (usually abbreviated as PU) is a unique material that combines the elasticity of rubber with the toughness and durability of metal. It enables engineers to replace rubber, plastic and metal with extreme wear resistance and physical properties. Polyurethane can reduce factory maintenance.

Polyurethane has much better abrasion resistance and tear resistance than rubber, while providing higher load-bearing capacity. Compared with plastics, polyurethane has excellent impact resistance, while having excellent abrasion resistance and elastic memory. Moreover, PU is superior to metal parts in weight reduction, noise reduction and wear resistance.

Soft polyurethane is mainly a thermoplastic linear structure, which has better stability, chemical resistance, resilience and mechanical properties than PVC foaming materials, and has less compression deformation. Good heat insulation, sound insulation, earthquake resistance and anti-virus performance. Therefore, it is used as a packaging, sound insulation, and filter material. Rigid polyurethane plastic is light, sound insulation, superior thermal insulation, chemical resistance, good electrical performance, easy processing, low water absorption.

Slurry pump sheath is an important part of slurry pump. Slurry pump sheath mainly plays a role of collecting slurry and guiding, and is one of the flow components. Because its shape resembles a snail, it is also called a volute. Slurry pump sheaths are divided into two types according to their structures: single-shell pump sheaths are generally exposed directly without protection from other pump shells, and the sheaths themselves have reserved fastening devices; The double-shell pump sheath is generally protected by the pump casing outside, and its fixation is mainly based on the pressure of the outer pump casing. Slurry pump sheath features: The product has the characteristics of reasonable structure, long service life, high efficiency, small design load, low energy consumption, stable operation, and convenient installation and maintenance.

The service life of polyurethane sheath is 3-5 times longer than that of rubber material. Polyurethane liquid receiving parts include impeller, laryngeal mask, frame plate lining, cover plate lining, frame plate lining insert, etc. They are very easy to wear parts because they work underneath. Long-term effects of abrasive and corrosive mud. For the long service life of pump parts, polyurethane materials play an important role here.

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