This standard specifies the technical performance indicators, test methods, inspection rules and storage and transportation procedures of Yichun quartz powder (quartz powder for short) in Jiangxi Province. This standard is applicable to the raw material quartz powder for manufacturing high and low-grade electric porcelain. JB/T 5893.2-1991 Raw material Yichun quartz powder for electric porcelain JB/T5893.2-1991 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T5893.2-1991
Raw Materials for Electric Porcelain
Published on October 24, 1991
Yichun Quartz Powder
Implemented on October 1, 1992
Published by the Ministry of Machinery and Electronics Industry of the People's Republic of China
Mechanical Industry Standard of the People's Republic of China
Raw Materials for Electric Porcelain
1 Subject Content and Scope of Application
Yichun Quartz Powder
JB/T5893.2-1991
This standard specifies the technical performance indicators, test methods, inspection rules and storage and transportation procedures of Yichun Quartz Powder (referred to as Quartz Powder) in Jiangxi Province. This standard applies to quartz powder, the raw material for manufacturing high and low voltage electric porcelain. Reference standards
GB2007.1~2007.2General rules for sampling and sample preparation of bulk mineral productsGB3404
GB5689
JB/T5893.5
3Terms
Chemical analysis methods for raw materials of silica glass
General provisions for packaging, marking and quality certificates of metallurgical mineral products. Physical property test methods.
Raw materials for electrical porcelain!
Same as the provisions in JB/T5893.1.
Technical indicators of quartz powder
The technical indicators of quartz powder shall comply with the provisions of Table 1 Table 1 Physical and chemical performance indicators
Chemical composition
Test method
The chemical composition analysis of quartz powder shall be carried out in accordance with GB3404. Content of magnet aspirates,
Physical property test of quartz powder shall be conducted in accordance with JB/T5893.5. Inspection rules
Particle size>63μm,
White or gray
White powder
The quality of quartz powder shall be inspected by the supplier's technical inspection department in accordance with this standard. Quartz powder shipped from the factory shall meet the requirements of this standard. 6.1
6.2Each batch of quartz powder shall be inspected in accordance with Article 4. 6.3Batch: Each batch shall not exceed 200t, and each batch shall be an inspection unit. 6.4Quartz powder sampling shall be conducted in accordance with GB2007.1~2007.2, or randomly sample no less than 20 bags from each batch, and then sample a total amount of no less than 5kg from them.
6.5 If the buyer has any objection to the quality of quartz powder, or the inspection result does not meet the standard, the buyer shall submit it to the supplier within one month after receiving the quartz powder, and the supplier and buyer shall jointly conduct re-inspection in accordance with the provisions of this standard. Approved by the Ministry of Machinery and Electronics Industry on October 24, 1991 and implemented on October 1, 1992
Storage, transportation and quality certificate
JB/T5893.2-1991
The storage, transportation and quality certificate of quartz powder shall be implemented in accordance with the provisions of GB5689. Additional remarks:
This standard was proposed by the National Insulator Standardization Committee and is under the jurisdiction of the Xi'an Electric Porcelain Research Institute of the Ministry of Machinery and Electronics Industry. This standard was drafted by the Xi'an Electric Porcelain Research Institute. The main drafter of this standard is Zhou Ruxin.
People's Republic of China
Mechanical Industry Standard
Raw Materials for Electrical Porcelain: Yichun Quartz Powder
JB/T 5893.2 - 1991
Published and Distributed by the China Academy of Mechanical Science
Printed by the China Academy of Mechanical Science
(No. 2 Shouti South Road, Beijing
Format 880×1230
Edition X, XX, 19XX
Printing 1-XXX
Postal Code 100044)
Number of Words XXX,XXX
Printing Sheets X/X
Printing X, XX, 19XX
Price XXX.XX Yuan
XX-XXXwww.bzxz.net
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