谁知道肖特的glass 8405对应的国内玻璃是哪一个？

谁知道肖特的glass 8405对应的国内玻璃是哪一个？

这个是肖特的紫外玻璃，大部分是管材，用在紫外领域，比如紫外灯
Glass 8405 Technical Data
GlassType/Application
Sodium-potassium-barium-silicate glass
Highly UV-transmitting
Used as envelope for germicidal lamps (low-pressure mercury vapour
discharge lamps) and for UV detectors
Physical Data
a (20°C;300°C) acc. to ISO 7991 ......................... 9.7
Transformation temperature Tg ................................ 460
Glass temperature at viscosity h in dPa. s
1013 (annealing point)................................ 470
107.6 (softening point)................................. 665
104 (working point)................................... 1000
Stress-optical coefficient K .................................... 2.8
Density r at 25°C ................................................... 2.51
Modulus of elasticity E (Young's modulus) .......... 65
Poisson's ratio μ ................................................... 0.21
Thermal conductivity lw at 90°C ........................... 1.0
Log of the electric volume resistivity (W .cm)
8.5
6.9
280
Dielectric constant e for 1 MHz at 25°C ................. 6.5
Dielectric loss factor tan d for 1 MHz at 25°C ....... 45
Refractive index nd (l = 587.6 nm) ........................ 1.505
Transmittance at 253.7 nm and 1 mm Thickness >75
Chemical Resistance Hydrolytic resistance (ISO 719) ............................. Class
Acid resistance (DIN 12116) ................................. C l a ss
Alkali resistance (ISO 695) ................................... C l a ss
The heavy metal content for the elements lead, cadmium, mercury
and hexavalent chromium is below 100 ppm
Business Segment Tubing / 7/2006
8405
at 250°C .....................................................
Seite: 53
°C
10-6mm2 .N-1
Coefficient of mean linear thermal expansion
°C
°C
10-6K-1
103N . mm-2
g .cm-3
W . m-1 . K-1
tk100 ..........................................................................
S 3
10-4
at 350°C .....................................................
A 2

谢谢！我想知道肖特的glass 8405对应的国内玻璃是哪一个牌号？