Technical data of Type DB-405 electronic glass

SJ/T 10588.4-1994 Technical data of DB-405 electronic glass SJ/T10588.4-1994 Standard download decompression password: www.bzxz.net

Electronic Industry Standard of the People's Republic of China
Technical data of typeDB-405electronic glass
Technical data of typeDB-405electronic glass1Subject content and scope of application
This standard specifies the chemical composition and physical and chemical performance indicators of DB-405 electronic glass. This standard is applicable to glass materials used in electronic devices such as medium-sized receiver amplifiers. 2Referenced standards
GB9000 Standard method for chemical analysis of electronic glass. Test method for physical and chemical properties of electronic glass
GB9622
3Technical requirements
Chemical composition is shown in Table 1.
Weight percentage
63.5±1.0
20.5±1.0
14.0±0.5
Note: 1) Fe2O, as an impurity control, is not included in the percentage composition. 3.2Physical 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/T10588.4-94
Replaced SJ2409-83bzxz.net
Test method
GB9000.12
GB9000.10
GB9000.14
Implemented on 1994-12-01
Indicator name
SJ/T10588.4—94| |tt||Average linear thermal expansion coefficient in the range of 0~300℃αDensity
Softening point
Annealing point
Strain point
Dielectric loss tangent value tgg×10 when the frequency is 6MHz and the temperature is 20℃Temperature when the volume resistivity is 100MQ·cm (Tx-10)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/℃
This standard was drafted by the Standardization Institute of the Ministry of Electronics Industry and the 772 Factory. The main drafters of this standard are Wang Yongmei and Liu Chengjun. Refers to
(88.0±2.0)×10-
2.200±0.030
635±10
460±10
420±10
≥160
≥110
This standard was first issued in December 1983 and revised for the second time in August 1994. 2
Test method
GB9622.11
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