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SN/T 3130-2012 English PDF

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SN/T 3130-2012: Determination of resistance to alkalescence in vitreous and porcelain enamels of cast iron
Status: Valid
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SN/T 3130-2012English159 Add to Cart 3 days [Need to translate] Determination of resistance to alkalescence in vitreous and porcelain enamels of cast iron Valid SN/T 3130-2012

PDF similar to SN/T 3130-2012


Standard similar to SN/T 3130-2012

QB/T 2664   QB/T 2332   GB/T 9988   

Basic data

Standard ID SN/T 3130-2012 (SN/T3130-2012)
Description (Translated English) Determination of resistance to alkalescence in vitreous and porcelain enamels of cast iron
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard Y26
Classification of International Standard 67.250
Word Count Estimation 6,626
Quoted Standard GB/T 6682; GB/T 12808
Regulation (derived from) National Quality Inspection (2012) 237; industry standard filing Notice 2012 No. 9 (Total No. 153);
Issuing agency(ies) General Administration of Customs
Summary This standard specifies the classification enamel cast iron products alkali resistance test methods and their results. This standard applies to food contact enamel cast iron burn with alkali performance testing container. This standard does not apply to e

SN/T 3130-2012: Determination of resistance to alkalescence in vitreous and porcelain enamels of cast iron


---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.
Determination of resistance to alkalescence in vitreous and porcelain enamels of cast iron People's Republic of China Entry-Exit Inspection and Quarantine Standards Enamel cast iron alkali resistance test method Issued on. 2012-05-07 2012-11-16 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. Please note that some of the content of this document may involve patents. Distribution of this document Institutions do not assume the responsibility to identify 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 Hebei Entry-Ha three Xingtai Iron Limited. The main drafters of this standard. Li Hui, Zhao Shuzhong, build more Xiao, Han Guanghui, forging ahead with Liu Jing. Enamel cast iron alkali resistance test method

1 Scope

This standard specifies the classification of cast iron enamel products alkali resistance test methods and their results. This standard is applicable for use in contact with food burning enamel cast iron and alkali performance testing container. This standard does not apply to cast iron enamel sanitary ware products, alkali resistance enamel cast iron products for the chemical industry and other special purpose Testing.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 12808 Laboratory glassware single marking pipette Principle 3 Enamel cast iron enamel main ingredient is silicate. At room temperature, with part of the sample surface erosion lye, lye will enamel silicon Ions dissolved in alkaline solution, so that the enamel surface state changes. The method is based on the enamel surface and can change the state of cleanliness of the erosion resistance Be assessed.

4 Reagents and materials

Unless otherwise stated, test water should meet the two requirements of water GB/T 6682 regulations. Sodium carbonate solution was 4.1, 5g/L. 4.2 neutral degreaser for cleaning degreasing sample. 4.3 Titanium dioxide, pigment grade.

5 labware

5.1 straw, in line with GB/T 12808 requirements. 5.2 towels, white cotton or linen. 5.3 Quantitative filter paper, thin fast, pore size 80μm ~ 120μm, diameter of about 30mm. 5.4 pencil hardness of HB.

6 Sample preparation

6.1 Sampling Should not receive any physical and chemical test, the sample should be at least three test specimens.

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