CEN TS 12983-2-2005 Cookware - Domestic cookware for use on top of a stove cooker or hob - Part 2 Further general requirements and specific requirements for ceramic glass and glass.pdf

1、DRAFT FOR DEVELOPMENT DD CEN/TS 12983-2:2005 Cookware Domestic cookware for use on top of a stove, cooker or hob Part 2: Further general requirements and specific requirements for ceramic, glass and glass ceramic cookware ICS 97.040.60 DD CEN/TS 12983-2:2005 This Draft for Development was published

2、under the authority of the Standards Policy and Strategy Committee ISBN 0 580 46059 2 National foreword This Draft for Development is the official English language version of CEN/TS 12983-2:2005. This publication is not to be regarded as a British Standard. It is being issued in the Draft for Develo

3、pment series of publications and is of a provisional nature because of the need to validate fully the requirements proposed. It should be applied on this provisional basis, so that information and experience of its practical application may be obtained. Comments arising from the use of this Draft fo

4、r Development are requested so that UK experience can be reported to the European organization responsible for its conversion to a European standard. A review of this publication will be initiated 2 years after its publication by the European organization so that a decision can be taken on its statu

5、s at the end of its 3-year life. Notification of the start of the review period will be made in an announcement in the appropriate issue of Update Standards. According to the replies received by the end of the review period, the responsible BSI Committee will decide whether to support the conversion

6、 into a European Standard, to extend the life of the Technical Specification or to withdraw it. Comments should be sent in writing to the Secretary of BSI Technical Committee CW/9, Cooking and catering containers, at British Standards House, 389 Chiswick High Road, London W4 4AL, giving the document

7、 reference and clause number and proposing, where possible, an appropriate revision of the text. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred t

8、o in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions

9、of a contract. Users are responsible for its correct application. Summary of pages This document comprises a front cover, an inside front cover, the CEN/TS title page, pages 2 to 22, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the documen

10、t was last issued. Amendments issued since publication Amd. No. Date Commentson 31 October 2005 BSI 31 October 2005TECHNICALSPECIFICATION SPCIFICATIONTECHNIQUE TECHNISCHESPEZIFIKATION CEN/TS129832 February2005 ICS97.040.60 Englishversion CookwareDomesticcookwareforuseontopofastove, cookerorhobPart2:

11、Furthergeneralrequirementsand specificrequirementsforceramic,glassandglassceramic cookware ArticlesculinairesArticlesculinairesusagedomestique pourcuisiniresetplaquesdecuissonPartie2: Exigencesgnralessupplmentairesetexigences spcifiquespourarticlesculinairesenverreeten cramique KochutensilienHaushal

12、tskochgeschirrezurVerwendung aufeinemOfen,HerdoderKochmuldeTeil2:Weitere allgemeineAnforderungenundspezifischeAnforderungen frKeramikundGlaskochgeschirre ThisTechnicalSpecification(CEN/TS)wasapprovedbyCENon14September2004forprovisionalapplication. TheperiodofvalidityofthisCEN/TSislimitedinitiallytot

13、hreeyears.AftertwoyearsthemembersofCENwillberequested tosubmittheir comments,particularlyonthequestionwhethertheCEN/TScanbeconvertedintoaEuropeanStandard. CENmembersarerequiredtoannouncetheexistenceofthisCEN/TSinthesamewayasforanENandtomaketheCEN/TSavailable promptlyatnationallevelinanappropriatefor

14、m.Itispermissibletokeepconflictingnationalstandardsinforce(inparall eltotheCEN/TS) untilthefinaldecisionaboutthepossibleconversionoftheCEN/TSintoanENisreached. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland

15、,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2005CEN Allrigh

16、tsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.CEN/TS129832:2005:ECEN/TS 12983-2:2005 2 Contents page Foreword3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Resistance to pull of handle assembly4 5 Non-stick coatings.5 5.1 General5 5.2 Endura

17、nce 5 5.3 Corrosion resistance .5 6 Suitability for use with various heat sources .5 6.1 Declaration of suitability .5 6.2 Heat distribution 5 6.3 Suitability5 7 Glass and glass ceramic ware5 7.1 Bodies .5 7.2 Lids5 Annex A (normative) Test for resistance to pull.6 A.1 Apparatus .6 A.2 Procedure .6

18、Annex B (normative) Endurance tests for non-stick coatings8 B.1 Apparatus .8 B.2 Test batter.8 B.3 Procedure .13 Annex C (normative) Corrosion resistance of non-stick surfaces .14 C.1 General14 C.2 Procedure .14 Annex D (normative) Heat distribution 15 D.1 Apparatus .15 D.2 Materials .15 D.3 Procedu

19、re .15 Annex E (informative) Conditions for deciding suitability for use with solid plate and ceramic hobs with radiant or halogen heating .17 E.1 Apparatus .17 E.2 Test conditions 17 E.3 Procedure .18 E.4 Hob efficiency 19 E.4.1 General19 E.4.2 Apparatus .19 E.4.3 Procedure .20 Annex F (normative)

20、Test for the thermal shock resistance of glass lids .22 F.1 Apparatus .22 F.2 Procedure .22 CEN/TS 12983-2:2005 3 Foreword This document (CEN/TS 12983-2:2005) has been prepared by Technical Committee CEN/TC 194 “Utensils in contact with food”, the secretariat of which is held by BSI. According to th

21、e CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to announce this Technical Specification: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, L

22、uxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. 4 1 Scope This document, part of EN 12983, specifies safety and performance requirements of items of domestic cookware for use on top of a stove, cooker or hob and is applicabl

23、e to all cookware regardless of material or method of manufacture. It also applies to products intended for use both “on top“ and “in oven“. Hob types covered by this document are gas, electricity solid plate, electricity radiant ring, radiant plate in glass ceramic and induction plate in glass cera

24、mic. This document is complementary to EN 12983-1. NOTE 1 Requirements for suitability for use with Induction hobs are in the process of being compiled and will be issued as a complementary standard. NOTE 2 Requirements for suitability for use in automatic dishwashers is under study by a specialist

25、group and will be added by amendment when completed. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (includin

26、g any amendments) applies. EN 12983-1:2000, Cookware Domestic cookware for use on top of a stove, cooker or hob - Part 1: General requirement. ENV 12875-1, Mechanical dishwashing resistance of domestic utensils Part 1: Reference test method. EN ISO 4628-2, Paints and varnishes Evaluation of degradat

27、ion of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 2: Assessment of degree of blistering (ISO 4628- 2:2003). ISO 2747, Vitreous and porcelain enamel - Enamel cooking utensils Determination of resistance to thermal shock. 3 Terms and de

28、finitions For the purposes of this document, the terms and definitions given in EN 12983-1:2000 and the following apply: 3.1 glass inorganic non-metallic material produced by the complete fusion of raw materials at a high temperature into a homogeneous liquid which is then cooled to a rigid conditio

29、n essentially without crystallisation 3.2 glass ceramic inorganic, non-metallic material produced by the complete fusion of raw materials at high temperatures into a homogeneous liquid which is then cooled to a rigid material and heat treated to achieve a certain degree of crystallisation, mainly su

30、b-microscopic small crystallites 4 Resistance to pull of handle assembly When tested as described in Annex A, a handle assembly shall withstand a dynamic impact of 1,5 N.m without any reduction in the security of the fixing system. CEN/TS 12983-2:20055 5 Non-stick coatings 5.1 General The requiremen

31、ts given in this clause apply to any surfaces which are claimed to be non-stick. NOTE Non-stick coatings are intended to facilitate the release of food after cooking and also cookware cleaning. 5.2 Endurance When tested as described in Annex B, any surface claimed to be non-stick shall leave no port

32、ion greater than 10 % of the surface area of the pancake still adhering to the test surface. 5.3 Corrosion resistance When tested as described in Annex C, any surface claimed to be non-stick shall show no blistering exceeding size 2 density 2 according to EN ISO 4628-2. 6 Suitability for use with va

33、rious heat sources 6.1 Declaration of suitability The manufacturer or supplier shall declare the heat source(s) for which their products are suitable. 6.2 Heat distribution If suitability for use on solid plate or glass ceramic hobs with radiant or halogen heaters is claimed, when tested as describe

34、d in Annex D, the temperature at the point where the sugar first melted shall not exceed 290 C at the completion of the test. 6.3 Suitability Test methods for the evaluation of suitability for various heat sources are given in Annex E as guidance to manufacturers and suppliers who wish to claim suit

35、ability of their cookware for use with solid plate or glass ceramic hobs with radiant or halogen heaters. These tests do not apply to shallow items. 7 Glass and glass ceramic ware 7.1 Bodies When tested as described in ISO 2747, the minimum failure temperature shall be 280 C. 7.2 Lids When tested as

36、 described in Annex F, there shall be no damage caused to the test piece. CEN/TS 12983-2:20056 Annex A (normative) Test for resistance to pull A.1 Apparatus A.1.1 Steel impact hammer, having a mass of 1 kg 50 g. A.1.2 Metal guide for dropping the hammer (A.1.1) through a distance of (150 5) mm so th

37、at it falls vertically, essentially without friction, to a stop. The guide and stop shall have a mass of 10 kg 50 g. A.1.3 Means of attaching the test piece to a rigid support in a horizontal plane, e.g. a G clamp, which prevents any movement of the test piece. A.1.4 Means of transferring the force

38、generated by dropping the hammer (A.1.1) onto the metal guide (A.1.2) to the test piece handle so that said force acts parallel to the pan base. NOTE A general form of a suitable apparatus is shown on Figure A.1. A.2 Procedure A.2.1 Precondition the cookware by subjecting it to the heat resistance t

39、est described in Annex B of EN 12983- 1:2000. A.2.2 Attach the cookware to the support (A.1.3) as shown in Figure A.1. A.2.3 Attach the guide to the cookware handle so that a rigid fixing is obtained. A.2.4 Position the impact hammer (150 5) mm above the stop and allow it to fall freely. A.2.5 Exami

40、ne the security of the fixing system and note any deterioration. NOTE It is permissible to machine the handle to facilitate the fixing of the metal guide. CEN/TS 12983-2:20057 Dimensions in millimetres 1 2 3 4 5 6 150 5Key 1 Cookware 2 Support 3 Handle axis 0 1 from horizontal 4 Hammer 5 Guide 6 Sto

41、p Figure A.1 Resistance to pull CEN/TS 12983-2:20058 Annex B (normative) Endurance tests for non-stick coatings B.1 Apparatus B.1.1 2,3 kW gas hob with heat diffuser (e.g. of the type shown in Figure B.1) capable of heating the interior base of the utensil up to 250 C and of maintaining the temperat

42、ure at (205 10) C when empty. NOTE It is permissible to use a higher powered hob if the specified temperature cannot be achieved. B.1.2 Fixing system to hold the utensil on the heat source during the test. B.1.3 Wear equipment comprising two parts as follows: a) brass brush assembly, as shown in Fig

43、ure B.2; and b) system to rotate the brush assembly against the surface to be tested, for example of the type shown Figure B.3. The aluminium discs shall have a diameter of 115 mm, a thickness of 4,5 mm and be freely rotating. The metal brushes shall be made from brass wire having a diameter of 0,2

44、mm and be freely rotating. They shall have an external diameter of 50 mm and a width of 5 mm at the fixing point of the wire. B.1.4 Test weight, comprising (1,000 0,05) kg of steel balls approximately 3 mm in diameter densely packed in fabric. B.2 Test batter The test batter shall be pancake batter

45、made from the following ingredients: 300 g plain wheat flour with a fat content between 1,3 g/100 g and 1,5 g/100 g; 3 eggs, i.e. 150 g. total mass shelled egg mixture; 1 l milk with a fat content of (3,5 0,5) %; 1 g salt; blended together to a smooth consistency and allowed to rest at ambient tempe

46、rature for 30 min before use. Any batter not used within 8 h shall be discarded. CEN/TS 12983-2:20059 a) Plan view b) Cross section Figure B.1 Heat diffuser CEN/TS 12983-2:200510 Dimensions in millimetres 30 1 2Key 1 Aluminium discs 2 Metal brush a) Brush assembly 40b) Plan view Figure B.2 Metal bru

47、sh system CEN/TS 12983-2:200511 1 75 70 2 3Key 1 System driven by friction, comprising three axes at 120 2 Play 10 mm 3 Play between 5 mm and 10 mm c) Brush assembly mounted onto test system (see Figure B.3) Figure B.2 Metal brush system (continued) CEN/TS 12983-2:200512 1 2 3 4 5 6 7Key 1 Rotation

48、speed of drive unit (40 1) rpm 2 Upper drive ratio (rod axis) 5:4 3 Lower drive ratio (frame) 4:5 4 Speed of rotation of arm (10 1) rpm 5 Motor to drive brush system 6 System for manual adjustment of distance of travel 7 Connecting rod for adjustment of arm length Figure B.3 Endurance test system CEN/TS 12983-2:200513 B.3 Procedure B.3.1 The test shall be performed on an unused utensil. B.3.2 Clean the utensil us