GB/T 9792-1988 《Conversion coatings on metallic materials, determination of film mass per unit area by weight method (eqv ISO 3892:1980)》 Related products
This standard is issued by the General Administration of mass Supervision, Inspection & Quarantine of the People's Republic of China. It stipulates the weight method for the measurement of the mass per unit area of the conversion film on the surface of metal materials. It is applicable to phosphoric acid film on steel, phosphoric acid film on zinc and chromium, etc. The standard evaluates the mass of the film by precise measurement of its weight to ensure the uniformity and effectiveness of the film.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Abolish |
|---|---|
| CCS | ICS |
| Release Date | Implementation Date |
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