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Hebei Hankai hub dust seal

2025-08-16 16:11
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    The profile also affects the window's performance in terms of insulation, air leakage, and water penetrationwhat is a window profile. A well-designed profile will have multiple chambers within the frame to improve thermal efficiency, reducing heat loss in colder climates and preventing excessive heat gain in warmer ones. The seals and weatherstripping around the profile play a critical role in preventing air and water infiltration.

    Here, we outline the various aluminium window opening options. Please bear in mind that brands do not offer all these types of aluminium window openings. You can contact us for information if there’s a particular window opening you’re after.