Quartz tubes for metal halide lamps

Application:

High-quality metal halide lamps, discharge lamps, germicidal lamps, etc.

Quartz tubes for metal halide lamps

Product Feature:

Adopting imported sand or domestic high-purity sand with very high purity, high transmittance in both UV and IR areas. High transmittance in both the UV and IR zones, very few air lines and bubbles on the surface, and very low hydroxyl content (<1ppm). so that it can be used in large, medium and small power bulbs can maintain a long life. The very low hydroxyl content (<1ppm) enables them to maintain a long life in large, medium and small power bulbs.

Typical Size:(mm)

O.D. FangeO.D. ToleranceThicknessWT ToleranceOut of RoundSidingBow
3<OD≦10±0.101.0∼2.0±0.152%0.120.15%
10<OD≦20±0.201∼2.5±0.151.25%0.120.15%
20<OD≦30±0.251.5∼3.0±0.151.25%0.120.15%
30<OD≦40±0.351.5∼4.0±0.151.25%0.120.15%
40<OD≦50±0.22.0∼4.0±0.151.25%0.120.15%
50<OD≦60±0.52.5∼5±0.151.25%0.120.15%

Mechanical & Thermal Properties:

Density(20°C kg/m3Thermal Expansion (200 ~300°C °C-1)Softening Point (°C )Annealing Poing (°C )Strain Point (°C )
2.2*1035.8*10-7167012101110

Impurity Value: (ppm)

ImpurityNaKMgLiCaFeAlTiCu
typical value0.80.90.50.70.80.516.21.20.05

OH Content: (ppm)

Typical Value without BakingAfter baking
120-150<1

Optical Properties:

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