SJ/T 10588.13-1994 Technical data of DB-441 electronic glass SJ/T10588.13-1994 Standard download decompression password: www.bzxz.net
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Electronic Industry Standard of the People's Republic of China Technical data of type DB-441 electronic glass Technical data of type DB-441 electronic glass Subject content and scope of application This standard specifies the chemical composition and physical and chemical performance indicators of DB-441 electronic glass. This standard applies to glass materials used for color picture tube glass screens. Reference standards GB9000 GB9622 GB9474.1~.3 GB/T14012 3 Technical requirements Standard method for chemical analysis of electronic glass Test method for physical and chemical properties of electronic glass Test method for physical properties of color picture tube glass Analysis of cerium oxide in color picture tube glass General specification for black and white picture tube glass shell Chemical composition is shown in Table 1. Chemical composition Weight percentage 60.86±1.00 2.00±0.10 9.80±0.15 5.70±0.15 1.80±0.10 0.40±0.10 8.10±0.15 7.10±0.15 2.50±0.10 0.50±0.10 Approved by the Ministry of Electronics Industry of the People's Republic of China on August 8, 1994 SJ/T10588.13-94 Replace S J2410-83 Test method GB9000.12 GB9000.11 GB9000.10 GB9000.15 GB9000.14 1994-12-01 implementation SJ/T10588.13-94 Continued Table 1 Weight percentage 0.19±0.05 0.70±0.04 0.35±0.05 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. Indicator name Average linear thermal expansion coefficient a in the range of 0~300℃Density Softening point Annealing point Strain point Light transmittance (t5) (%) Volume resistivity 1gp at 350℃ X-ray absorption coefficient (0.06nm, 20.6KeV)Chromaticity coordinates (center value) Test method GB9000.12 GB9000.14 (98 .2±0.7)×10-7 2.750±0.005 690±3 513±5 474±5 Test method GB/T14012bzxz.net 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 the temperature at 300℃ for 10min, starts the measurement, continues to increase the furnace temperature, and measures 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 Factory 4400 and the Standardization Institute of the Ministry of Electronics Industry. The main drafters of this standard are Li Guanghui, Bai Yixiang, Liu Chengjun and Duan Zifa. This standard was first issued on December 5, 1983 and revised for the first time on August 8, 1994. Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.