Technical data of Type DB-443 electronic glass

SJ/T 10588.15-1994 Technical data of DB-443 electronic glass SJ/T10588.15-1994 Standard download decompression password: www.bzxz.net

Electronic Industry Standard of the People's Republic of China
Technical data of type DB-443 electronic glass
Technical data of type DB-443 electronic glass Subject content and scope of application
This standard specifies the chemical composition and physical and chemical performance indicators of DB-443 electronic glass. This standard applies to glass materials used in the neck of color picture tubes. 2 Reference standards
GB9000
GB9622
GB/T14012
Technical requirements
Standard method for chemical analysis of electronic glass
Test method for physical and chemical properties of electronic glass
General specification for glass shell of black and white picture tubes
Chemical composition is shown in Table 1.
Chemical composition
Weight percentage
47.80±1.00
3.50±0.15
1.50±0.10
2.00±0.10
2.70±0.15
9.60±0.15
32.50±0.20
Note: 1) Fe, O, as impurity control, are not counted in the percentage composition. 3.2 Physical and chemical performance indicators are shown in Table 2.
The Ministry of Electronics Industry of the People's Republic of China approved SJ/T10588.15-94 on August 8, 1994bZxz.net
Replaced SJ2412-83
Test method
GB9000.11
GB9000.10
GB9000.12
GB9000.14
Implemented on December 1, 1994
Indicator name
SJ/T10588.15-94
Average linear thermal expansion coefficient α in the range of 0~300℃Density
Softening point
Annealing point| |tt||Strain point
Volume resistivity Igp at 350℃
X-ray absorption coefficient (0.06nm, 20.6KeV) 1/℃
(96.5±0.8)×10-7
3.285±0.015
643±3
466±5
422±5
Test method
GB9622.8)
GB/T14012
Article 4.5.4
Note: 2) Articles 4.5 and 4.6 are combined and carried out as follows: The measurement starts from the starting point, keeps warm at 300℃ for 10 minutes, and then starts the measurement. Continue to increase the furnace temperature, and make measurements every time the temperature rises by 10℃ until the measurement ends at 390℃. Additional Notes:
This standard is under the jurisdiction of the Standardization Institute of the Ministry of Electronics Industry. This standard was drafted by Factory 4400 and the Standardization Institute of the Ministry of Electronics Industry. The main drafters of this standard are Li Guanghui, Liu Chengjun, Bai Yixiang, and Duan Zifa. This standard was first issued on December 5, 1983 and revised for the first time on August 8, 1994. 2
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