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ISO 4081:2010 specifies the requirements for straight or pre-formed rubber hoses and tubing for use in pressurized or unpressurized cooling circuits containing 1,2-ethanediol-based coolants in internal-combustion engines for vehicles with an unladen mass (as defined in ISO 1176) of 3,5 t or less. In addition, this specification may also be applied as a classification system […]
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This International Standard specifies methods for determining the sound power level or sound energy level of a noise source from sound pressure levels measured on a surface enveloping the noise source (machinery or equipment) in an environment that approximates to an acoustic free field near one or more reflecting planes.The sound power level (or, in
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This International Standard specifies methods for the determination of ⎯ the presence of colourless chromate conversion coatings, ⎯ the presence of hexavalent chromium in colourless and coloured coatings on zinc or cadmium or aluminium-zinc (mass fraction of aluminium: 55 %, within a range of 54 % to 56 % mass fraction) and zinc-aluminium (mass fraction
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This document specifes a method of penetrant testing used to detect discontinuities, e.g. cracks, laps,folds, porosity and lack of fusion, which are open to the surface of the material to be tested using white light or UV-A (365 nm) radiation. It is mainly applied to metallic materials, but can also be performed on other materials,
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This document specifies general methods, with suitable test conditions, for the determination of the ash of a range of plastics. The particular conditions chosen can be included in the specifications for the plastic material in question. Particular conditions applicable to polyalkylene terephthalate) materials, unplasticized cellulose acetate, polyamides and poly(vinyl chloride) plastics, including some specific filled,
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This International Standard specifes minimum performance requirements and test procedures for the service,secondary and parking brake systems of wheeled and high-speed rubber-tracked earth-moving machines, for the uniform assessment of those brake systems. It is applicable to the following earth-moving machinery, operating on work sites or in mining, or travelling on public roads: — self-propelled, rubber-tyred
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This document specifies general methods for determining the resistance of an individual-layer or multi-layer system of coating materials to the effects of liquids, other than water, or paste-like products (included implicitly in test liquids mentioned in the text). These methods enable the testers to determine the effects of the test liquid on the coating and,
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This document specifies, for general-purpose non-oil-extended, solution-polymerized polyisoprene rubbers (IR): – physical and chemical tests on raw rubbers; – standard materials, a standard test formulation, equipment and processing methods for evaluating the vulcanization characteristics.
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ISO 1817:2011 describes methods of evaluating the resistance of vulcanized and thermoplastic rubbers to the action of liquids by measurement of properties of the rubbers before and after immersion in test liquids. The liquids concerned include current service liquids, such as petroleum derivatives, organic solvents and chemical reagents, as well as reference test liquids.
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This International Standard specifies a method for the determination of the gross heat of combustion (Q PCS ) of products at constant volume in a bomb calorimeter. Annex A describes the calculation of the net heat of combustion (Q PCI ) when required. Information on the precision of the test method is given in Annex
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