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YS/T 89-2023 English PDF

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YS/T 89-2023: (Calcined alpha alumina)
Status: Valid

YS/T 89: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YS/T 89-2023English219 Add to Cart 3 days [Need to translate] (Calcined alpha alumina) Valid YS/T 89-2023
YS/T 89-2011English319 Add to Cart 3 days [Need to translate] Calcined α-alumina Obsolete YS/T 89-2011
YS/T 89-1995English239 Add to Cart 2 days [Need to translate] Calcined α-alumina Obsolete YS/T 89-1995

PDF similar to YS/T 89-2023


Standard similar to YS/T 89-2023

GB/T 2449.1   GB/T 2449.2   HG/T 2573   YS/T 639   

Basic data

Standard ID YS/T 89-2023 (YS/T89-2023)
Description (Translated English) (Calcined alpha alumina)
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard G13
Classification of International Standard 71.100.01
Word Count Estimation 10,169
Date of Issue 2023-12-20
Date of Implementation 2024-07-01
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and quality certificate and order (or contract) content of calcined ��-alumina. This standard applies to aluminum hydroxide or alumina as raw material, calcined at an appropriate temperature into ��-type alumina products with stable crystal form. Used to make refractory materials, alumina ceramics, daily ceramic raw materials, polishing abrasives, glass and other products.

YS/T 89-2011: Calcined α-alumina

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Calcined α-alumina ICS 77.120.10 H61 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 89-1995 Calcined α-alumina Issued on. 2011-12-20 2012-07-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. Instead of the standard YS/T 89-1995 "calcined α-alumina." Compared with this standard YS/T 89-1995, the main changes are as follows. --- Modify Product Catalog for classification according to the degree of processing replaced by sodium and sodium-type classification was divided into primary and micronized powder, low-sodium products should Fill in the appropriate grades in LS represents; --- Grades increased to nine, grades according to chemical composition and physical characteristics of the establishment, the abolition of the original standard seven grades in two grades AN-03 and AN-50, the remaining five grades as a raw product powder grades, namely AN-05LS, AN-10LS, AN-20, AN-30, AN-40; powder products increased four grades, namely ANT-5LS, ANT-2LS, ANT-5, ANT-2. And a corresponding increase in chemical Component, the median particle size, 45μm measurement items and requirements; --- Revised SiO2 content of the original powder Grade 5 and Fe2O3 content; --- Increase the type of inspection requirements. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard is drafted by. Aluminum Corporation of China Shandong Branch, Henan Branch of Aluminum Corporation of China. The main drafters of this standard. Li Linhai, Zhong Yi Mei, Wen Jinde, SUN Xi, Shao Jing, Yang Kaiguo, Wang Gang. This standard replaces the previous release version of the case. --- YS/T 89-1995. Calcined α-alumina

1 Scope

This standard specifies requirements for calcined α-alumina products, test methods, inspection rules and signs, packaging, transportation, storage, purchase orders (Or contract) content. This standard applies to aluminum hydroxide or aluminum oxide as raw materials, at an appropriate temperature calcination to crystalline form stable α-alumina products. Mainly for the production of refractory materials, alumina ceramics and polishing abrasives and other products.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the edition are not applicable to the present file. For undated references, the latest edition (including any amendments) applies to this document. GB/T 6609.2 alumina chemical analysis methods and determination of physical performance - Part 2. 300 ℃ and 1000 ℃ mass loss Determination GB/T 6609.3 spectrophotometric determination of alumina chemical analysis methods and determination of physical performance silica content of molybdenum blue GB/T 6609.4 alumina chemical analysis methods and determination of physical performance phenanthroline spectrophotometric determination of ferric oxide

content

Determination of GB/T 6609.5 alumina chemical analysis methods and determination of physical performance oxide and sodium oxide GB/T 6609.22 alumina chemical analysis methods and determination of physical performance sampling GB/T 6609.23 preparation and storage of alumina chemical analysis methods and determination of physical performance of the sample GB/T 6609.26 alumina chemical analysis methods and determination of physical performance Determination of effective density Pyknometer GB/T 6609.37 alumina chemical analysis methods and determination of physical performance - Part 37. particle size of less than 20μm containing Determination of the amount of GB/T 8170 repair value expressed about the rules and limit values and judgment GB/T 19077.1 laser diffraction particle size measurement - Part 1. General YS/T 619 Chemical Grade Alumina classification and naming

3 Requirements

3.1 Categories and grades 3.1.1 Categories Calcined α-alumina according to the degree of processing directly into the original powder calcined and milled up to a certain fineness of powder. 3.1.2 Grade Calcined α-alumina division by chemical composition and physical properties are divided into nine grades, where the original powder is divided into five grades, divided into four brand powder number. Grades were named in accordance with the provisions of YS/T 619's.

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