Technical data of Type DB-428 electronic glass

SJ/T 10588.9-1994 Technical data of DB-428 electronic glass SJ/T10588.9-1994 Standard download decompression password: www.bzxz.net

Electronic Industry Standard of the People's Republic of China
Technical data of type DB-428 electronic glass
Technical data of type DB-428 electronic glassSubject content and scope of application
This standard specifies the chemical composition and physical and chemical performance indicators of DB-428 electronic glass. This standard applies to glass materials used for color ink tube glass screens. 2 Reference standards
GB9000
Standard method for chemical analysis of electronic glass
Test method for physical properties of color picture tube glass GB9474.1~.3
GB9622
GB/T14012
Technical requirements
Analysis of oxidation in color picture tube glass
Test method for physical and chemical properties of electronic glass
General specification for glass shell of black and white picture tube
Chemical composition is shown in Table 1.
Chemical composition
Physical and chemical properties are shown in Table 2.
Weight percentage
61.50±1.00
2.00±0.15
9.80±0.15
8.86±0.15
7.50±0.15
7.50±0.15
0.50±0.10
1.20±0.10
0.50±0.10
0.30±0.10
Approved by the Ministry of Electronics Industry of the People's Republic of China on August 8, 1994 SJ/T10588.99 4
Test method
GB9000.12
GB9000.11
GB9000.10
GB9000.12
GB9000.15
GB9000.14
GB9000.12
GB9000.14
1994-12-01Implementation
Indicator name
SJ/T10588.9-94
Average linear thermal expansion coefficient within the range of 0～300℃. Density
Softening point
Fire point
Strain point
Volume resistivity at 350℃lgp
X-ray absorption coefficient (0.06nm, 20.6KeV)Light transmittance (ts4) (%)
Chromaticity coordinates (center value)
(100.5+1.0)×10-7Www.bzxZ.net
2.77±0.01
704±5||tt ||413±5
473±5
57.0±2.0
Test method
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 is kept at 300℃ for 10 minutes. Continue to increase the furnace temperature, and measure once every 10℃ increase until the measurement ends at 390C. Additional notes:
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, Liu Chenggou, and Zhao Conghui. 2
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