lighting glass tubing

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we are specialed in manufacture hard glass bulbs,glass shells and lighting glass,like flare tubing,exhaust tubing. Exhaust tubing: out diameter from 2.5mm to 6mm Flare tubing: out diameter from 6mm to 26mm PHYSICAL DATA: linear expansion coefficient of thermal expansion: 40.5×10-7/℃±1.0×10-7/℃ softening temperature: 790℃±10℃ annealing temperature: 555℃±10℃ temperature ℃ Tk-100 with volume resistivity (100M ΩCM) ≥235℃ ensity: 2.26g/cm³±0.015 g/cm³ water resistance: first class

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lighting glass bulb

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