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Paints, varnishes and plastics — Determination of non-volatile-matter content
| 분야 | ISO/TC 35/SC 9 : General test methods for paints and varnishes |
|---|---|
| 적용범위 | This document specifies a method for determining the non-volatile-matter content by mass of paints, varnishes, binders for paints and varnishes, polymer dispersions and condensation resins such as phenolic resins (resols, novolak solutions etc.). The method is also applicable to formulated dispersions containing fillers, pigments and other auxiliaries (e.g. thickeners, film-forming agents). NOTE 1 The non-volatile-matter content of a product is not an absolute quantity but depends upon the temperature and period of heating used for the determination. Consequently, when using this method, only relative and not true values for non-volatile-matter content are obtained owing to solvent retention, thermal decomposition and evaporation of low molecular mass constituents. The method is therefore primarily intended for testing different batches of the same type of product. NOTE 2 This method is suitable for synthetic rubber lattices, provided heating for a specific period of time is considered appropriate (ISO 124 specifies heating until the loss in mass of a 2 g test portion following successive periods of heating is less than 0,5 mg). NOTE 3 In-house methods for determining non-volatile matter often include drying with infrared or microwave radiation. Standardization of such methods is not possible, since they are not generally applicable. Several polymer compositions tend to decompose during such treatment and therefore give incorrect results. |
| 국제분류(ICS)코드 |
87.060.20 : 바인더
87.040 : 페인트 및 니스 83.080.01 : 플라스틱 일반 |
| 페이지수 | 8 |
| Edition | 5 |
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ISO 3251:2019 | Paints, varnishes and plastics — Determination of non-volatile-matter content | 2019-05-14 | 표준 |
| 2 | ISO 3251:2008 | Paints, varnishes and plastics — Determination of non-volatile-matter content | 2008-01-31 | 구판 |
| 3 | ISO 3251:2003 | Paints, varnishes and plastics — Determination of non-volatile-matter content | 2003-02-25 | 구판 |
| 4 | ISO 3251:1993 | Paints and varnishes — Determination of non-volatile matter of paints, varnishes and binders for paints and varnishes | 1993-09-23 | 구판 |
| 5 | ISO 3251:1974 | Paint media — Determination of volatile and non-volatile matter | 1974-11-01 | 구판 |
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