PPSU is the best skeleton material for headphones

PPSU is the best skeleton material for headphones

Plastic is the most common material in earphone manufacturing. It has moderate density and strength, and is extremely malleable. Using plastic, various shapes can be designed. It is widely used in the design of earphones of various grades. It is currently the The most widely used headphone manufacturing material. It can be used not only in the design of ear shells, but also in the design of headbands.

PPSU material has superior dimensional stability, 24h water absorption rate of 0.22%, resistance to boiling water and superheated steam, can be used for a long time in the temperature range of -100 ~ 150 ℃, and has good mechanical properties and excellent dielectric properties. The earphone skeleton made of PPSU material has a long service life, is environmentally friendly and non-toxic, has good rigidity and toughness, is resistant to temperature, heat and oxidation, and has excellent creep resistance.

Metal materials are also common in the design of earphones, most of which are aluminum alloys. Metal materials are suitable for finishing and small batch production, but not suitable for mass production. The cost is high and the metal density is high. Control the weight, otherwise the wearing comfort will be reduced. Therefore, metal has become the second choice besides plastic,

Due to its good ductility, PPSU material can have a changeable appearance and various colors. A sound wave can do multiple irregular reflections and simple sound absorption from the plastic cavity. Such reflection and absorption can modify the sound as much as possible. The PPSU material cavity can greatly improve the sound.

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