lead glass tube - 3MM--25MM

we are supply to Philips now. - details see: https://www.lightinghere.com/lead-glass-tube-10020800

Place of Origin: Shandong China (Mainland)	Brand Name: GT GLASS	Model Number: 3MM--25MM	Certification: ISO
Color: CLEAR	Material: Glass

Lead Glass Tubing

Lead glass is primarily composed of silica and lead. It has moderate electrical resistance, density, refractive index and x-ray absorption rate.

The softening point of lead glass also tends to lower than that of soda glass. It exhibits moderate durability and is easily worked.

Major uses are stem and exhaust tube of fluorescent and incandescent lamp. It is also used for neon signs, pilot lamp, starter lamps and electron gun for TV braun.

Property

Chemical & Physical Property	Data
Coefficient of Expansion Rate (20°C-300°C)	91.0±2×10^-7/K
Soften Point	635±10°C
When the Mass resistance is 100MΩ.cm,temperature of TK-100	≥240°C
Density	2.83±0.03 g/cm³
Strain Point	440.00 °C
Annealing Point	470.00 °C
Working Point	1010.00 °C
Melting Point	1480.00 °C
Content of Lead	21%