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    Specification of Three High Purple Gold Tubes

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    Raw material glass tube
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  • Release time:
    2019-02-16 16:42:24

ISO9001 international quality system certification enterprise, early application of Tsinghua technology, ten years of glorious history, the factory covers an area of more than 80 acres, 10 million vacuum tube annual production capacity, research and development of imported vacuum tube testing equipment, the selection of high quality pipe production, products exported to Southeast Asia, the Middle East , South America and other countries, welcome to the company site visit!

[color] sapphire blue

[material] borosilicate glass 3.3

[length] 1500mm

[outer tube diameter] 47mm

[Inner tube diameter] 37mm

[glass thickness] 1.6mm

[heat] 3.3x10-6 °C

[Absorption coating] AL/N/AL

[Absorption coefficient]>90%

[heat loss coefficient]<10%

[Vacuum pressure] P<5x10-2Pa

[Maximum temperature]>200°C


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