Technical data of Type DB-422 electronic glass

SJ/T 10588.6-1994 Technical data of DB-422 electronic glass SJ/T10588.6-1994 Standard download decompression password: www.bzxz.net

Electronic Industry Standard of the People's Republic of China
Technical data of typeDB-422 electronic glassbzxZ.net
Technical data of typeDB-422 electronic gtass Subject content and scope of application
This standard specifies the chemical composition and physical and chemical performance indicators of DB-422 electronic glass. This standard applies to glass materials used in glass cones of color picture tubes. Reference standards
GB9000
GB9622
Standard method for chemical analysis of electronic glass
Test method for physical and chemical properties of electronic glass
GB/T14012 General specification for glass shell of black and white picture tube 3
Technical requirements
Chemical composition is shown in Table 1.
3.2 Physical and chemical performance indicators are shown in Table 2.
Weight percentage
50.30±1.00
4.00±0.15
3.80±0.15
2.55±0.15
23.50±0.15
8.00±0.15
6.70±0.15
Approved by the Ministry of Electronics Industry of the People's Republic of China on 1994-08-08 S J/T10588.6--94
Inspection Party
GB9000.11
GB9000.10
GB9000.12
GB9000.14
1994-12-01Implementation
Indicator Name
SJ/T10588.6-94
Average within the range of 30~300℃ Linear thermal expansion coefficient αDensity
Softening point
Annealing point
Strain point
Volume resistivity at 350℃1gp
X-ray absorption coefficient (0.06nm, 20.6KeV)1/℃
(100.5±1.0)×10-1
3.010±0.015
668±5
490±5
450±5
Test method
GB9622.8\
GB/T14012
Article 4.5.4
Note 1) Articles 4.5 and 4.6 are combined and carried out as follows: The measurement starts from the starting point, and the temperature is kept at 300℃ for 10 minutes, and then the measurement begins. Continue to increase the furnace temperature, and measure once every 10℃ increase until the measurement ends at 390℃. Additional remarks:
This standard is under the jurisdiction of the Standardization Institute of the Ministry of Electronics Industry. This standard was drafted by Henan Anyang Color Picture Tube Glass Shell Co., Ltd. and the Standardization Institute of the Ministry of Electronics Industry. The main drafters of this standard are Li Xinqing, Zhao Conghui, and Liu Chengjun. 2
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