1、April 2012 Translation by DIN-Sprachendienst.English price group 7No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 9
2、7.150!$2“1882715www.din.deDDIN EN ISO 26985Resilient floor coverings Identification of linoleum and determination of cement content and ashresidue (ISO 26985:2008)English translation of DIN EN ISO 26985:2012-04Elastische Bodenbelge Erkennung von Linoleum und Bestimmung des Gehaltes an Bindemittel un
3、danorganischen Fllstoffen (ISO 26985:2008)Englische bersetzung von DIN EN ISO 26985:2012-04Revtements de sol rsilients Identification du linolum et dtermination de la teneur en ciment et du taux de cendres(ISO 26985:2008)Traduction anglaise de DIN EN ISO 26985:2012-04SupersedesDIN EN 670:1997-11www.
4、beuth.deDocument comprises pagesIn case of doubt, the German-language original shall be considered authoritative.1003.12 DIN EN ISO 26985:2012-04 2 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee ISO/TC 219 “Floor coverings” (Secretaria
5、t: KATS, Korea) and has been taken over as EN ISO 26985:2012 by Technical Committee CEN/TC 134 “Resilient, textile and laminate floor coverings” (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was the Normenausschuss Kunststoffe (Plastics Standards Committ
6、ee), Working Committee NA 054-04-05 AA Bodenbelge. Amendments This standard differs from DIN EN 670:1997-11 as follows: a) Clause 7 “Test procedure” has been modified; b) Clause 8 “Calculation and expression of results” has been revised; c) the date of the test is now also to be given in the test re
7、port. Previous editions DIN EN 670: 1997-11 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 26985 February 2012 ICS 97.150 Supersedes EN 670:1997English Version Resilient floor coverings - Identification of linoleum and Revtements de sol rsilients - Identification du linolum et dtermination
8、 de la teneur en ciment et du taux de cendres (ISO 26985:2008) Elastische Bodenbelge - Erkennung von Linoleum und Bestimmung des Gehaltes an Bindemittel und anorganischen Fllstoffen (ISO 26985:2008) This European Standard was approved by CEN on 31 December 2011. CEN members are bound to comply with
9、the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Managem
10、ent Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same statu
11、s as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
12、 Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any me
13、ans reserved worldwide for CEN national Members. Ref. No. EN ISO 26985:2012: E(ISO 26985:2008) determination of cement content and ash residue Contents Page EN ISO 26985:2012 (E) DIN EN ISO 26985:2012-04 2 Foreword3 1 Scope 4 2 Terms and definitions .4 3 Principles 4 3.1 Identification .4 3.2 Compos
14、ition .4 3.2.1 Cement content 4 3.2.2 Ash residue 4 4 Apparatus and materials .5 4.1 Apparatus .5 4.2 Materials .5 5 Sampling and preparation of specimens 5 5.1 Sampling .5 5.2 Determination of cement content 5 5.3 Determination of ash residue .5 6 Atmosphere for conditioning and testing .5 7 Test p
15、rocedure .6 7.1 Identification .6 7.2 Determination of cement content 6 7.3 Determination of ash residue .6 8 Calculation and expression of results .6 8.1 Identification .6 8.2 Determination of cement content 7 8.3 Determination of ash residue .7 9 Precision statement .7 10 Test report 7 Bibliograph
16、y 8 Foreword The text of ISO 26985:2008 has been prepared by Technical Committee ISO/TC 219 “Floor coverings” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 26985:2012 by Technical Committee CEN/TC 134 “Resilient, textile and laminate floor coverings” t
17、he secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2012, and conflicting national standards shall be withdrawn at the latest by August 2012. Attention i
18、s drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 670:1997. According to the CEN/CENELEC Internal Regulations, the nati
19、onal standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands,
20、 Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 26985:2008 has been approved by CEN as a EN ISO 26985:2012 without any modification. EN ISO 26985:2012 (E) DIN EN ISO 26985:2012-04 3 1ScopeThis Inter
21、national Standard specifies methods for identifying linoleum and determining the cement content andash residue of linoleum floor coverings.2 Terms and definitionsFor the purposes of this document, the following terms and definitions apply.2.1 ash residueresidue that remains following incineration at
22、 for 2.2 linoleum cementbinder in linoleum, consisting of a mixture of linseed oil and/or vegetable drying oils, rosin and drying oilcatalysts, which is converted to a semi-elastic mass by an oxidative curing process3 Principles3.1 IdentificationA small specimen is saponified in a solution of potass
23、ium hydroxide in methanol to identify linoleum from otherfloor coverings.3.2 Composition3.2.1 Cement contentA specimen without the backing material is crumbled and mixed with a mixture of potassium hydroxide inmethanol. After intensive stirring at to , the mixture is filtered and carefully dried. Th
24、e differencebetween the initial mass and the mass of the residue is the defined mass of linoleum cement.3.2.2 Ash residueTo determine the amount of ash residue, a specimen without the backing material is incinerated and the massof the residual ash is measured.500C 3h20C 25CEN ISO 26985:2012 (E) DIN
25、EN ISO 26985:2012-04 4 4 Apparatus and materials4.1 Apparatus4.1.1 Grater.4.1.2 Tared beakers.4.1.3 Porcelain crucibles.4.1.4 Desiccator (vacuum type), containing a suitable desiccant, e.g. silica gel.4.1.5 Furnace, capable of being controlled at .4.1.6 Balance, having an accuracy of .4.1.7 Laborato
26、ry sieve, with a nominal aperture size of .4.1.8 Ultrasonic bath, or equivalent device.4.1.9 Centrifuge or vacuum filter (type A2) and suction device, e.g. a water-jet pump.4.1.10 Bunsen burner.4.2 Materials4.2.1 Methanol (methyl alcohol), analytical grade.4.2.2 Potassium hydroxide (analytical grade
27、) in methanol solution, with a concentration of .5 Sampling and preparation of specimens5.1 SamplingTake a representative sample from the available material. Take five specimens, each with a minimum area of, from across the width of the sample, or from individual tiles, the distance between the edge
28、 of thesample and the nearest edge of the specimen being at least .Cut a square of approximately from a specimen.5.2 Determination of cement contentRemove the backing material and grate the specimen. Use that part which passes through a sieve.5.3 Determination of ash residueRemove the backing materi
29、al and cut the specimen into small pieces of approximately .6 Atmosphere for conditioning and testingCondition the specimen, at a temperature of and a relative humidity of , for a minimum of. Maintain these conditions during the test.500C 10C0,1 mg0,5 mm0,5 mol/l50 cm2100 mm20 mm 20 mm0,5 mm5mm 5mm2
30、3 2C 50 5%24 hEN ISO 26985:2012 (E) DIN EN ISO 26985:2012-04 5 7 Test procedure7.1 IdentificationSaponify the specimen in excess potassium hydroxide/methanol solution without stirring. After , recordwhether complete disintegration of the linoleum has taken place. If disintegration has not taken plac
31、e, thesample is not identified as linoleum, so do not carry out the tests described in 7.2 and 7.3.7.2 Determination of cement contentWeigh approximately of the grated specimen, with particle size , in a tared beaker.Add approximately of the potassium hydroxide/methanol solution and stir for . Ensur
32、e thatthe temperature does not exceed , because wood- and/or cork-flour can be affected.Weigh the type A2 filter (if used) and record the mass to the nearest .Centrifuge or vacuum filter the mixture using the type A2 filter and rinse the residue at a temperature of .Condition the dry residue in the
33、filter or centrifuge, as described in Clause 6, for a minimum of , and recordthe mass (including the A2 filter, if used) to the nearest .7.3 Determination of ash residueDetermine the tared mass of a porcelain crucible as follows. Prepare a crucible by heating in the furnace atfor at least . Allow co
34、oling in the desiccator for at least and weigh the crucible. Repeat theprocess of heating, cooling and weighing until the results of two consecutive weighings do not differ from eachother by more than , i.e. the mass is virtually constant.Weigh approximately of the crumbled specimen in the tared por
35、celain crucible. Heat the crucible using aBunsen burner, in a way that allows the specimen to burn in a controlled manner. Place the crucible andcontents in a furnace at , for at least , to allow incineration to proceed to completion, i.e. whenno carbonaceous matter remains in the crucible.Transfer
36、the crucible and contents to the desiccator and allow to cool for at least . Determine the mass of thecrucible and residue to the nearest . Repeat the process of incineration, cooling and weighting until theresults of two consecutive weightings do not differ from each other by more than , i.e. the m
37、ass is virtuallyconstant.8 Calculation and expression of results8.1 IdentificationRecord whether complete disintegration takes place.24 h1g lessorequalslant 0,5 mm10 ml 10 0,5 min25C0,01 g40C24 h0,01 g500C 3h 1h0,5 mg2g500 10C 3h1h0,01 g0,5 mgEN ISO 26985:2012 (E) DIN EN ISO 26985:2012-04 6 8.2 Dete
38、rmination of cement contentCalculate the linoleum cement content, as a percentage by mass, using the following fomula:whereis the initial mass of the specimen;is the mass of the dry residue (excluding the A2 filter if used).Express the linoleum cement content as the average of the results for the nu
39、mber of specimens tested, andrecord these to the nearest .8.3 Determination of ash residueCalculate the ash residue, as a percentage by mass, using the following fomula:whereis the initial mass of the specimen;is the mass of the ash residue.Express the inorganic filler content as the average of the
40、results for the number of specimens tested, and recordthese to the nearest .9 Precision statementA round-robin test will be conducted to determine the precision of this test method.10 Test reportThe test report shall contain the following information:a) a statement that the tests were performed in a
41、ccordance with this International Standard (ISO 26985:2008);b) a complete identification of the product tested, including type, source, colour, and manufacturers referencenumbers;c) previous history of the sample;d) a statement as to whether the sample has been identified as linoleum;e) the average
42、cement content and the average ash residue, as a percentage, if relevant;f) any deviation from this International Standard which could have affected the results;g) the date of the test.m1m2m1 100m1m20,5 %m3m1 100m1m30,5 %EN ISO 26985:2012 (E) DIN EN ISO 26985:2012-04 7 Bibliography1 EN 670, Resilient floor coverings Identification of linoleum and determination of cement content andash residueEN ISO 26985:2012 (E) DIN EN ISO 26985:2012-04 8
