Technical data of Type DB-456 electronic glass

SJ/T 10588.17-1994 Technical data of DB-456 electronic glass SJ/T10588.17-1994 Standard download decompression password: www.bzxz.net

Electronic Industry Standard of the People's Republic of China
Technical data of type DB-456 electronic glass
Technical data of type DB-456 electronic glass Subject content and scope of application
This standard specifies the chemical composition and physical and chemical performance indicators of DB-456 electronic glass This standard applies to electronic glass materials used in the stem of ordinary lighting bulbs below 100W 2 Reference standards
GB9000 Standard method for chemical analysis of electronic glass GB9622 Physical and chemical properties test method of electronic glass 3 Technical requirements
Chemical composition is shown in Table 1.
Weight percentage
62.5±1.0
16.0±0.5
15.0±0.5
Note: 1) Fe, O, as impurity control, are not included in the percentage composition. 3.2 Physical and chemical performance indicators are shown in Table 2
Approved by the Ministry of Electronics Industry of the People's Republic of China on August 8, 1994 SJ/T10588.17-94
Replaced SJ681-83
GB9000.11
GB9000.10
GB9000.14
Implemented on December 1, 1994
Indicator name
SJ/T10588.17-94
0~300℃Average linear thermal expansion coefficient αDensity
Softening point
Annealing point
Strain point
Dielectric loss tangent value tg8×10 at 6MHz and 20℃Volume resistivity 100MQ·cmOverflow (Tx-100)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/c
(89.0±2.0)×10-7
2.750±0.030bzxz.net
675±10
470±10
380±10
≥200
This standard was drafted by the Standardization Institute of the Ministry of Electronics Industry and Shenyang Light Bulb Factory. The main drafters of this standard are Liu Chengjun, Zhao Yue and Zou Fukang. This standard was first issued in 1973 and revised for the second time on August 8, 1994. 2
Test method
GB9622.11
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