DIN 51604-2-1984 Methanolic FAM testing fluid for polymer materials composition and requirements《聚合材料用甲醇FAM检验液 成分和要求》.pdf
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1、UDC 665.733 :662.753 :o01 A :620.193.471.2 :670.7 t614.8 DEUTSCHE NORM March 198 Methanolic FAM testing fluid for polymer materials Composition and requirements DIN 51 604 Part 2 FAM-Prfflssigkeit, methanolhaltig, fr Polymerwerkstoffe; Zusammensetzung und Anforderungen In keeping with current practi
2、ce in standards published by the International Organization for Standardization IISO), a comma has been used throughout as the decimal marker. 1 Methanolic FAM testing fluid), 2) is used, unless decrees or relevant technical rules specify otherwise, for testing polymer materials, e. g. elastomer mat
3、erials, plastics com- ponents and coatings used in the motor car industry and in the petroleum distribution system which come into close contact with mixed fuels containing alcohol. Examples of mixed fuels containing alcohol are those types of petrol consisting mainly of hydrocarbons which contain e
4、ither more than 3% by volume of methanol or more than 5% by volume of ethanol or, if both are mixed, more than 2% of methanol, with the total of the WO per- centages by volume exceeding 4%. When testing with the methanolic FAM testing fluid, the swelling and extraction effect (change in mass andvolu
5、me), the change in hardness, expansion and strength properties as specified in the relevant standards, e. 9. DIN 53 476 and DIN 53 521, can be determined. Note. Methanolic FAM testing fluid did not correspond to any commercially available petrol at the time this standard was prepared, nor is it expe
6、cted to correspond to such petrol in the future. On the basis of DIN 51 604 Part 1, it may be regarded as a fluid for assessing the behaviour of polymer materials with regard to swelling and extraction effects and change in hardness, expansion and strength properties when in contact with petrol, if
7、the latter contains the above-mentioned per- centages of alcohol. Other substances which may contain different components or additives contai- ning oxygen are not taken into account. Scope and field of application 1) FAM stands for Fachausschu Minerall- und Brenn- 2) Information about sources of sup
8、ply is obtainable s to f fnormung. from: DIN-Bezugsquellen fr normgerechte Erzeugnisse of DIN Deutsches Institut fr Normung e. V., Burggrafen- strae 4-10, D-1000 Berlin 30. In order to ensure the homogeneity of the metha- nolic FAM testing fluid, the test temperature should be above 0C and not excee
9、d 4OoC as long as the test is carried out at ambient pressure. 2 Concept Methanolic FAM testing fluid is a mixture produced for testing purposes the composition of which conforms to clause 4, and which complies with the requirements speci- fied in clause 5. 3 Designation Designation of the methanoli
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