Technical data of Type DB-423 electronic glass
Basic Information
Standard ID:
SJ/T 10588.7-1994
Standard Name:Technical data of Type DB-423 electronic glass
Chinese Name:
ＤＢ－４２３型电子玻璃技术数据
Standard category:Electronic Industry Standard (SJ)
state:Abolished
Date of Release1994-08-08
Date of Implementation:1994-12-01
Date of Expiration:2008-01-20
standard classification number
Standard Classification Number:General>>Standardization Management and General Provisions>>A01 Technical Management
Publication information
other information
Introduction to standards:
SJ/T 10588.7-1994 Technical data of DB-423 electronic glass SJ/T10588.7-1994 Standard download decompression password: www.bzxz.net
Some standard content:
Electronic Industry Standard of the People's Republic of China
Technical data of type DB-423 electronic glass
Technical data of type DB-423 electronic glassSubject content and scope of application
This standard specifies the chemical composition and physical and chemical performance indicators of DB-423 electronic glass. This standard applies to glass materials used for color picture tube screens. Reference standards
GB9000
Standard method for chemical analysis of electronic glass
Method for testing chromaticity coordinates of screen glass for color picture tubesAnalysis of cerium oxide in color picture tube glassGB/T14012
General specification for glass shell of black and white picture tubes
3 Technical requirements
Chemical composition is shown in Table 1.
Chemical composition
Weight percentage
60.55±1.00
0.24±0.03
8.10±0.15
6.95±0.15
2.50±0.10
8.40±0.15
7.96±0.15
1.80±0.10
0.31±0.10
2.05±0.10
Approved by the Ministry of Electronics Industry of the People's Republic of China on August 8, 1994 SJ/T105 88.7-—94
Test method
GB9000.10
GB9000.15
GB9000.11
GB9000.12
1994-12-01 implementation
SJ/T10588.7-94
Continued Table 1
Weight percentage
0.27±0.03
0.04±0.01
0.40±0.05
Note: Fe:O, as impurity control, is not included in the percentage composition. 2 Physical and chemical performance indicators are shown in Table 2.
Indicator name
Average linear thermal expansion coefficient a in the range of 0~300℃Density
Softening point
Annealing point
Strain point
X-ray absorption coefficient (0.06nm, 20.6KeV)Chromaticity coordinates (center value)
Additional instructions:
This standard is under the jurisdiction of the Standardization Institute of the Ministry of Electronics Industry. Unit
Test methodWww.bzxZ.net
GB9000.14
(98.7+1.0)×10-7
2.783±0.05
698±3
516±5
476±5
This standard was drafted by Shenzhen Zhongkang Glass Co., Ltd. and the Standardization Institute of the Ministry of Electronics Industry. The main drafters of this standard are Wang Yan, Lin Chunguang and Liu Chengjun. 2
Test method
GB/T14012
Article 4.5.4
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