GB/T 32680-2016Test method for mechanical dishwashing resistance of domestic ceramic ware (English PDF)
日用陶瓷耐机械洗涤测试方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
June 14, 2016
Implementation date
January 1, 2017
Scope
GB/T 32680-2016 is the English-translated version of 日用陶瓷耐机械洗涤测试方法.
GB/T 32680-2016 is the Chinese standard "Test method for mechanical dishwashing resistance of domestic ceramic ware". Its scope clause reads: This standard specifies the testing method for mechanical washing of household ceramics.
This standard applies to household ceramics. Its clauses include principle; reagent; observers; instruments and equipment.
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Document preview — GB/T 32680-2016
National Standard of the People's Republic of China
- ICS
- 81.060.20
- Classification
- Y 24
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 principle
- 3 reagent
- 4 Observers
- 5 Instruments and equipment
1 Scope
This standard specifies the testing method for mechanical washing of household ceramics.
This standard applies to household ceramics.
2 principle
The unused sample was immersed in a static solution of a specific alkaline detergent (75 ± 1) ° C for 16 h. Then visualize the sample, and with the class
Like, not tested, to determine whether there is any change in color and gloss due to the detergent.
3 reagent
3.1 detergent ingredients
The detergent composition is as follows.
Industrial sodium hydroxide 15% (mass fraction)
--- Sialine triacetate trisodium salt 16% (mass fraction)
--- distilled water 69% (mass fraction)
3.2 detergent solution
A 2.0% (mass fraction) aqueous detergent solution was prepared with distilled water. Prepare a sufficient detergent aqueous solution to ensure the surface area of the vessel
The ratio of the area of the domain to the volume of the test solution is not more than 130 cm2/L.
3.3 citric acid solution
A 10% (mass fraction) aqueous solution of citric acid was prepared with distilled water.
4 Observers
At least two observers who are familiar with the observation procedures in this standard are required. Every observer should be able to open the eye (or use the habit
Sexual vision aids) clearly see the sample surface and have a normal color vision.
5 Instruments and equipment
5.1 stainless steel containers
With a sealed stainless steel cover, at least 10L detergent solution can be installed.
5.2 stainless steel frame
Used to hold the test sample, the role is to separate the sample and the sample and the bottom of the container separated, allowing the detergent free access.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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