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Test method for thermal shock resistance to microwave heating of ceramic ware
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Basic data
| Standard ID | SN/T 2794-2011 (SN/T2794-2011) |
| Description (Translated English) | Test method for thermal shock resistance to microwave heating of ceramic ware |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Classification of Chinese Standard | Y24 |
| Classification of International Standard | 81.060.20 |
| Word Count Estimation | 6,677 |
| Date of Issue | 2011-02-25 |
| Date of Implementation | 2011-07-01 |
| Adopted Standard | EN 15284-2007, MOD |
| Regulation (derived from) | ?AQSIQ-Inspection [2011] 90 |
| Issuing agency(ies) | General Administration of Customs |
| Summary | This standard applies to any ceramic products detected in the microwave oven use. This standard specifies test methods and performance requirements of ceramic heat-stable microwave oven use. |
SN/T 2794-2011: Test method for thermal shock resistance to microwave heating of ceramic ware
---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.
Test method for thermal shock resistance to microwave heating of ceramic ware
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Thermal stability testing methods ceramic Microwave Products
Testmethodfortheresistancetomicrowaveheatingofceramic, glass,
glass-ceramicorplasticscookware, MOD)
Issued on. 2011-02-25
2011-07-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard EN15284.2007 "food contact materials and articles in ceramic, glass, enamel or plastic cookware resistance to microwave heating
Test Method "(Materialsandarticlesincontactwithfoodstuffs-Testmethodfortheresistancetomicro-
waveheatingofceramic, glass, glass-ceramicorplasticscookware) to modify the use of the degree of consistency.
This standard EN15284.2007 compared to the main technical differences are as follows.
--- EN15284.2007 standard name contains a ceramic, glass, enamel or plastic cookware microwave heating resistance testing, the standard pottery
Porcelain resistant microwave heating stability testing;
--- EN15284.2007 Standard Scope includes ceramics, glass, enamel or plastic cookware, this standard applies to ceramics resistant
Microwave stability of content;
--- EN15284.2007 Standard Test Method Principle contains a ceramic, glass, enamel or plastic cookware long, short heating time change
The method of the present standard contains only microwave-resistant ceramic products long, short-term changes in heating and chilled to increase the ceramics
Heat exchanging the contents of the microwave oven;
--- EN15284.2007 standard equipment and materials includes a microwave, a surface thermometer, borosilicate glass beaker or suitable container
, A stopwatch, in addition to this standard contains a microwave, a surface thermometer, borosilicate glass beakers or appropriate containers, stopwatch, the increase
Freezer equipment, requiring the sponge material;
--- EN15284.2007 standard test procedures contained in ceramics, glass, enamel or plastic cookware resistance test procedures and microwave heating
Content, this standard contains a ceramic heat-resistant microwave test step only, and adds to the microwave ceramics freezing test
Steps and content.
Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Jiangxi Exit Inspection and Quarantine, the National Ceramic Products Quality Supervision and Inspection Center (Jiangxi).
The main drafters. Zhang and expensive, Li Feng, Zhang Kan, Huta, Hung Sin medals, Li Shuo.
Thermal stability testing methods ceramic Microwave Products
1 Scope
This standard applies to any ceramic product testing in a microwave oven use.
This standard specifies the requirements and test methods for ceramic thermal stability for use in microwave ovens.
2 principle of the method
Under specified conditions, on the "microwave safe" ceramic products for a short time, prolonged heating and freezing them to microwave
Check heating, hot and cold and then freezing the exchange test, measurement and experiment by the maximum temperature of the surface of the product in the process of damage, etc.
Check, thus "microwave safe" ceramic article results of determination.
3 equipment and materials
3.1 turntable microwave meet the requirements, the output power of not less than 600W.
3.2 Probe digital surface thermometer or other type surface thermometer to meet the requirements, read out a product point temperature (accuracy ± 1 ℃).
3.3 can be loaded into two 125mL ± 2.5mL water borosilicate glass beakers or appropriate containers.
3.4 stopwatch, accuracy ± 1s.
3.5 freezer, the freezing temperature is not lower than -8 ℃, the temperature difference is controllable region ± 3 ℃.
3.6 sponge, the same shape as the bottom of the sample, a thickness of 15mm.
4 test sample
4.1 Unless otherwise specified, each type of at least three identical samples, sample no cracks or damage.
4.2 Preparation of test samples. Sample required 1% aqueous methylene blue solution (or other solvents may be colored cleaning) were applied after washing
Fandi the naked eye can not be found to have cracks.
5 Test Environment
The test shall be carried out at a temperature of 20 ℃ ± 3 ℃ environmental conditions.
OK 6 microwave output power and heating time
6.1 microwave output power is determined
In order to protect the magnetron during the test, it is necessary to two containers 250mL water as a balancer. Thus, in the determination process
Also it includes the balancer, but in order to facilitate the calculation of it is omitted.
The measurement should be water in a glass container. Temperature of the water and the vessel should start below room temperature, but then be raised to above room temperature
On temperature. This process ensures an increase or decrease in the furnace heat of the weak impact.
Determination of the cylindrical container of the appliance is made of borosilicate glass. The maximum thickness of the container should be 3mm, outer diameter of about 190mm, high
...