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        香港喜剧演员

        Because of its high friction resistance, phenol formaldehyde (PF) resins are integral to the production of the brake pads in aeroplanes. PF resins are also used to make extremely temperature and moisture resistant phenol composites which are found in the paneling of aircraft interiors.

        香港喜剧演员

        Methylene bis (dephenyl di-isocyanate) (MDI) is used to make polyurethane foams including the semi-flexible foams that provide excellent support and comfort in aeroplane seats.

        香港喜剧演员

        Polyoxymethylenes (POM) are high performing thermoplastics used to manufacture the plastic components of seatbelts on aeroplanes.