Technical data of Type DB-403 electronic glass

SJ/T 10588.2-1994 Technical data of DB-403 electronic glass SJ/T10588.2-1994 Standard download decompression password: www.bzxz.net

Electronic Industry Standard of the People's Republic of China
Technical data of type DB-403 electronic glass
Technical data of type DB-403 electronic glassSubject content and applicable scope
This standard specifies the chemical composition and physical and chemical performance indicators of DB-403 electronic glass. SJ/T10588.2-94
Replaces SJ678-83
This standard applies to glass materials used in electronic devices such as low-power electronic tubes and energy-saving lamps. 2 Reference standards
Standard method for chemical analysis of electronic glass
GB9000
Test method for physical and chemical properties of electronic glass
GB9622bzxZ.net
3 Technical requirements
3.1 Chemical composition See Table 1.
Chemical composition
Weight plate percentage
61.8±1.0
14.2±0.5
Note: 1) AI, O, and Fe2O are controlled as impurities and are not included in the percentage composition. 3.2 Physical and chemical performance indicators See Table 2.
Test method approved by the Ministry of Electronics Industry of the People's Republic of China on 1994-08-08
GB9000.12
GB9000.11
GB9000.10
GB9000.12
GB9000.14
Implemented on 1994-12-01
Indicator name
SJ/T10588.2-94||tt| |Average linear thermal expansion coefficient in the range of 0~300℃αDensity
Softening point
Annealing point
Strain point
Dielectric loss tangent value tg8×10 at frequency 6MHz and temperature 20℃Temperature when volume resistivity is 100Mn·cm (Tk-1e)Thermal stability
Water resistance and chemical stability level
Additional instructions:
This standard is under the jurisdiction of the Standardization Institute of the Ministry of Electronics Industry. 1/c
This standard was drafted by the 774th Factory and the Standardization Institute of the Ministry of Electronics Industry. The main drafters of this standard are: Lin Jingbo, Liu Chengjun, Wei Guangyun, and Tang Yingyang. This standard was first issued in 1973 and revised for the second time in August 1994. —2
(92.0±2.0)×10-7
2.855±0.030
670±10
490±10
440±10
≥320
≥110
Test method
GB9622.11
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