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Hard Glass Bulb

Hard glass bulbs are manufactured from high-quality borosilicate glass with stable silica and borate composition. Different from ordinary soft glass, this material features superior mechanical hardness, outstanding high temperature resistance and excellent thermal stability, making it a high-reliability lighting glass for harsh working conditions.

    Feature

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    Hard glass bulbs deliver excellent heat resistance and thermal shock stability, resisting cracking and deformation under drastic temperature fluctuations. They possess higher mechanical strength and breakage resistance than soda-lime soft glass, ensuring long service life under mechanical stress. The material also provides reliable chemical stability against daily corrosive substances, paired with high optical clarity and stable light transmittance for consistent lighting performance.

      Application

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      Hard glass bulbs are extensively applied in high-reliability and temperature-resistant lighting scenarios, covering professional and specialized lighting equipment that demands superior thermal stability and durable structural performance.

        Available Size

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        Parameter

        Value

        Outer Diameter

        9~500mm

        OEM is acceptable