Technical data of Type DB-401 electronic glass

SJ/T 10588.1-1994 Technical data of DB-401 electronic glass SJ/T10588.1-1994 Standard download decompression password: www.bzxz.net

Electronic Industry Standard of the People's Republic of China
Technical data of typeDB-401 electronic glassSubject content and scope of application
This standard specifies the chemical composition and physical and chemical performance indicators of DB-401 electronic glass. This standard is applicable to glass materials used in electronic devices such as low-power electronic tubes. Reference standards
GB9000 Standard method for chemical analysis of electronic glass GB9622 Test method for physical and chemical properties of electronic glass 3 Technical requirements
3.1 Chemical composition is shown in Table 1.
Weight percentage
69.5±1.0
12.5±0.5
Note: 1) Al, O., Fe:O, as impurity control, are not included in the percentage composition. Physical and chemical performance indicators are shown in Table 2.
1994-08-08 Ministry of Electronics Industry of the People's Republic of China approved SJ/T10588.1-94bzxz.net
Replaced SJ676-83
Test method
GB9000.11
GB9000.10
GB9000.12
GB9000.14
Implemented on 1994-12-01
Indicator name
SJ/T1058 8.1-94
Average linear thermal expansion coefficient in the range of 0~300αDensity
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-u)Thermal stability
Water resistanceChemical stability level
Additional instructions:
This standard is under the jurisdiction of the Standardization Institute of the Ministry of Electronics Industry. 1/℃
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 Yingxiang. This standard was first issued in 1973 and revised for the second time in August 1994. 2
(93.0±2.0)×10-1
2.557±0.015
690±10
510±10
470±10
Test method
GB9622.11
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