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Air filter sealing performance directly determines the engine protection effect, and the greatest advantage of PU glue technology lies in its integrated seamless leak-proof structure. Traditional filter products adopt separate frame assembly and manual gluing sealing, which inevitably produce tiny assembly gaps and glu
The automobile engine cabin is a harsh working environment with extreme temperature differences. In summer, the cabin temperature can exceed 120 degrees Celsius after parking, while in cold winter, the ambient temperature can drop to minus 30 degrees Celsius or even lower. Ordinary rubber frames and inferior glue layer
The performance of PU glue air filters largely depends on the precise batching and foaming control technology in the production process. Qualified automotive filter PU glue adopts a professional two-component system, including component A (polyether foaming agent) and component B (liquefied MDI curing agent). The facto
Polyurethane foam glue, commonly known as PU glue, is the most essential structural and sealing material in modern automotive air filter manufacturing. Unlike ordinary industrial glue or rubber frames used in low-end filters, high-quality two-component PU glue is composed of polyether polyol and isocyanate materials th
Vibration is one of the main causes of air filter failure during vehicle driving. Long-term road jitter and engine operation vibration will cause loose fitting, degumming and deformation of ordinary filters. Inferior hard frames have poor shock resistance and are easy to crack under continuous vibration; while ordinary
Vehicles often drive on rainy roads, wet muddy roads, and foggy humid environments. Splashing water vapor, humid air, and dew will continuously invade the engine air intake compartment. Ordinary filter frames made of poor-quality glue or recycled rubber easily absorb water, swell, soften, and break after contacting moi
