1、Pigments and extenders - Methods of assessment of dispersion characteristics Part 3. Assessment from the change in gloss The European Standard EN Is0 87813 : 1995 has the status of a British Standard S EN IS0 781-3 : 1995 COPYRIGHT European Committee for StandardizationLicensed by Information Handli
2、ng Services-. CEN EN*IS0*878L- 3 95 3404589 OL08b02 514 ., BS 3483 : Part E3 : 1991 A National foreword This Part of BS 3483 has been prepared under the direction of the Pigments, Paints and Varnishes Standards Policy Committee. It is identical with IS0 8781-3 : 1990 Pigments and extenders - Methods
3、 of assessment of dispersion characteristics - Part 3 : Assessment from the change in gloss, published by the International Organization for Standardization (ISO). in 1994 the iiropean b) preparation of dried films of the dispercions and measureeinent of the specular gloss; c) determination of the r
4、ate of development of the specular gioss as a function of the amount of work done (the latter is related to the incremental stages of dispersion). The rate of development of specular gloss is assessed graphically. Cross-references Internsttonal standard IS0 8780-1 : 1990 IS0 8780-2 : 1990 IS0 8780-3
5、 : 1990 IS0 8780-4 1990 IS0 8780-5 : 1990 IS0 8780-6 : 1990 Corresponding BritishStandad BS 3483 Methods for testing pigments for paints part DI : 1991 Methods of dispersion for assessment of dispersion characteristics (Introduction) (Identical) part D2 : 1991 Method of dispersion for assessment of
6、dispersion characteristics using an oscillatory shaking machine (Identical) Rrt D3 : 1991 Method of dispersion for assessment of dispersion characteristics using a high-speed impeller mill (Identical) Part D4 : 1991 Method of dispersion for assessment of dispersion characteristics using a bead inill
7、 (Identical) part D5 : 1991 Method of dispersion for assessment of dispersion characteristics using an automatic muller (Identical) Part D6 : 1991 Method of dispersion for assessment of dispersion characteristics using a triple-roll mill (identical) COPYRIGHT European Committee for StandardizationLi
8、censed by Information Handling ServicesEIJROPEAN STANDARD NORME PNNE EUROP- NORM EN IS0 87813 March 1995 ICs 87.060 10 Descriptors- paints. pigments, extenders, tests. delennination, dispersibility English version Pigments and extenders- Methods of assessment of dispersion Part 3: Assessment Fom the
9、 change in gloss Chm b) a reference io this part o IS0 8781 and the rele- vant pari o IS0 8780. c) the lems of supplementary information refetred to in annex A; d) the dispersion work done (see 7 1) and the cor- responding target gloss level or. if the agreed taiget level was not achieved. the highe
10、st specular gloss achieved together with the work required to reach it (see 7 2); e) the graph representing the gloss developnien (see 7 1); f) any devialion from lhe test procedure specified. g) the dale(s) of the lest -3 - - * COPYRIGHT European Committee for StandardizationLicensed by Information
11、 Handling ServicesCEN EN*IS0*87L- 3 95 3Y04589 OLO8bL2 Yb3 - IS0 8781-3:1990(E) Annex A (normative) Required supplementary information The iiems of Supplementary information listed in this annex shall be supplied as appropriate lo enable the method to be carried out. The information required should
12、preferably be agreed between the interested parties and may be derived, in pari or totally, from an international or nalional standard or other document related to the product under test. a) Melhod of dispersion (see IS0 8780) b) Type and designalion of the binder and lhe ratio of pigment to binder
13、system. Substrate, method of film application and drying conditions (see 6 2.1 and 6.2.2). d) A target gloss level (specular reflection value) at a specified angle of incidence and reflection I 4 +=: - - COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesEN IS0
14、87813 : 1995 Annex ZA (normative) Normative references to international publications with their relevant European publications This European Standar incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate piaces in the t
15、ext and the publications are listed hereafter. For dated references, subsequent amendmens to or revisions of any of hese publications apply to this European Standard only when incorporated in it by amenment or revisior For undatd references the latest edition of the publication referred to applies (
16、including amendments). Pubtication Year IS0 8780-1 1990 is0 8780-2 1990 Is0 878-3 1990 IS0 87804 1990 IS0 8780-5 1990 Is0 8780-6 1990 Title Pigments and cxmms - Methods of dispersion for Part 1: Intnniucth Pigments and e3clenders- Methods of dispers2ojjor Part 2: Dispmsum usinganngmach2ne Pigments a
17、nd cxmms- Methals of dispersion for Part 3: ihqmsm using a high-spsad impeller mili Pigments and cxmms - Methods of d2sperJion for assessment of dispersion charactastics - Part 4: Dispersum . zcsingabeadm Pigments and txmdws - Methods of dispersian for Part 5: Dispersum UJinganautomaticmUller pigmen
18、ts and txmdws- Methods of dzspersian for Part 6: Dispmsum usEngatriple-rdlmZU aSSessmRnt Of d2spersion charactastics- -t OJdchamcteristiCs- mmt Of d2sperston charaCterist.iCs - asessrnent Of dispersion charactast.rcS - aSSmt Of dw &m&?rSticS - EN Year ENISO87W1 1995 ENISO87NL2 1995 ENEX387803 1995 E
19、NIS087804 1995 ENISO878-5 1995 ENISO8780-6 1995 COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesAMD 8532 Amendment No. 1 published and effective from 15 August 1995 to BS 3483 : Part E3 : 1991 Methods for testing pigments for paints Part E3. Assessment of dis
20、persion characteristics from the change in gioss NOTE. The European Committee for Standardization (CEN) has accepted IS0 87813 : 1990 as a European Standard designated as EN IS0 87813 : 1995. Thii amendment implements EN IS0 8781-3 : 1995 as a British Standard in the ES EN series. Implementation of
21、European Standard Nationai foreword At the end of paragraph 1 insert the foliowing paragraph. In 1994 the Eiuopean Committee for Standardization (CE“) accepted IS0 87813 : 1990 as European Stanard EN Is0 87813 : 1995. As a consequence of implementing the European Standard this British Standard is re
22、numbered as BS EN IS0 87813 and any reference to ES 3483 : Part E3 should be read as a reference to ES EN Is0 87813. AMD 853DAugust 1995 -_-_- EN titie page and foreword Immediately after the national foreword, insert the aached EN titie page and foreword. 950&0.41zentOfd.ispersionduzmcterist2cs- ISSCSWMTL! Of d2spersion AmWth - COPYRIGHT European Committee for StandardizationLicensed by Information Handling Services
