This standard specifies the determination or test method for the particle size composition of coarse abrasive grains P12 to P220 of corundum and silicon carbide abrasives for coated abrasives. This standard applies to abrasives used in the manufacture of coated abrasives and abrasive grains recovered from coated abrasives for test purposes. GB/T 9258.2-2000 Abrasive particle size analysis for coated abrasives Part 2: Determination of particle size composition of coarse abrasive grains P12 to P220 GB/T9258.2-2000 Standard download decompression password: www.bzxz.net

GB1 5758.7-20
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This standard refers to the J3/T3636--13 limit reduction of the material composition of the wide range of the design, the training return standard is not, and the standard is in line with the actual situation: when the standard has the beauty of the wet composition of the "Thanks to the overall" and the requirements of the relevant stock development are collected from the wide range of factors and the actual original net. Thanks to the production needs of G use instantaneous rate of total The following is the composition of the following: the purchase of 3 sections of the company: the sudden change P24 ~ [20 particle size is the standard from the implementation of the contemporary 363G-1184 product standard A is the current product requirements, the standard work force Jieji industrial trend: the standardization committee, the general research group representative company, the standard registration work drafter: Bao Hua, the batch of Ren Jingfeng, GBr 9258.2--20n
ISO's previous version is the international standardization of various products used by the Beijing-based organizations to implement the standards. Medical standards related to the five technical I will enter, for the automotive industry interested in the card only a party to the more you check, the government
IEC) in all aspects of electrical standardization has a close relationship. Technical fees will be used by the first bad standard academic or member voting, the national set of the composition of the cattle can be, the unloving East standard detection,
International Standard 634-2 S0/T29 (small technical committee/S according to the external supervision of the zero will be made 3 4. The following are the main topics of the report of the Institute: 1. Particle size test 2. Determination of particle size of P12~P22G particles 3. P243--P25 particles 1SV1 market public system Appendix B Fuyuan * 1. Specification for use of Particle size analysis of the People's Republic of China National Standard for use of economic tools: ! ... P220
CB/T9258-22000
t1801-2.199
This standard certifies the test method of chemical materials in Beijing and 12P220. This standard is used to prepare and release the coating type and the 2 reference standards issued by the country.
The following standards are included in the service establishment. Recently, they have become the vehicle standard documents in the vehicle state standards. The vehicle standards have been issued for a small period of time. The standards will make this standard design as fast as possible. GB/T46751984 Information Communication Collection 2 Send
G31 Wind Knowledge Same Test
GB/T925.［20L deep attached and used for slaughter material pulling 1 all points, red or 3 meaning
this standard CB/T329.12000 definition
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plate! The tt-sand standard is approved by the National Quality Control Bureau on 20:0-02-18. The 2200-001 certificate is G/R 9258.2: 20DC. The particle size or cost of the standard can be the same as that of 9551-, but only one-tenth of the specified one is allowed. The year of the standard is accompanied by a certificate of conformity, indicating its quality standard and production date.
5 Test inspection
A test stock course has no visible effect, such as system defects, the first period of registration, "chaos, etc. The third layer of the product should be installed in the corresponding inner part of the third layer of the sieve, the first and second layers must be the hall that has been inspected, the next original distribution must be directly with the corresponding fold 1, you monitor the first point, the second pressure of the film stock and the social P. The standard modification must not exceed the lower limit of the third straight 1.6 waste, than the sieve can be effective test final him.
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two 5 properties, after the single test wheel sieve on the main test sample average method, English: from the effect! Style 1 whole fast sample release positive heat overflow, timing meter charge, card, model: mention, and the table quantity package certificate fast reverse work
the first fee to stop the first call line platform surprise Ya, should Further, if the certificate is modified and the function is changed, the heart will not meet the standard production consultation second reading Beijing sales collection gold blood file 5 production capital line table one consultation job group, gold text, the third time % of the clear to standard external file sales now within, try to choose the standard will be accepted, whether thank you. Chengxue does not wait for the standard production, the Taiwan collection of treasure chemical suitable for the elderly standard product grab
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Determination of the effectiveness of the data is the actual to record A (Appendix) I
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GBT 9258. 2- 2000
Appendix A
P coarse particle composition determination data record example P the number of layers of the certificate can be selected with the network transfer this can be pre-measured with A in B through the measurement, then the end single same format table A1 use A test sieve particle library treasure
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