5 Apparatus 5.1 Measuring unit, with temperature and water supply control, consisting of a metal plate approximately 3 mm thick with a minimum area of 0,04 m2 (e.g. a square with each side 200 mm in length) fixed to a conductive metal block containing an electrical heating element [see figure 1, items (I) and (6)]….
4.2 ApparatusThe apparatus consists of the following parts:a) An oven capable of maintaining the temperature and tolerance specified.b) Grips shall be provided, such that each test piece can be suspended from an upper grip inthe oven and weights attached to a lower grip attached to the test piece.NOTE When testing tubular test pieces, the fixing…
4 Apparatus, materials and reagents4.1 Suitable mechanical device, consisting of a water bath containing a rotatable shaft which supports,radially, stainless steel containers with a diameter of (75 ± 5) mm and a height of (125 ± 10) mm, of capacity (550 ± 50) ml, the bottom of the containers being (45 ± 10) mm from…
Examples of microduct optical fibre cables and microducts Figures A.1, A.2 and A.3 provide examples of different microduct optical fibre cables and microducts. 5 Microduct optical fibre cable5.1 Tests applicableThe tests that are applicable for mechanical and environmental performance are given inTable 2. 5.2 Tensile performancea) Family requirementsUnder short-term tensile load the fibre strain shall…
5 General characteristics 5.2 OpacityCrosslinked polyethylene pipes that are declared to be opaque shall not transmit more than 0,2 % of visible light, when tested in accordance with EN 578. 7 Mechanical characteristics When tested in accordance with the test method as specified in Table 7 using the indicated parameters, the pipe shall withstand the…
G.1 UV ageingG.1.1 GeneralThe test shall consist of subjecting PE/PP material test samples to the continuous irradiation of a xenon lamp under given temperature and humidity conditions.Evaluation shall be performed by assessing the change in the material through the variation in its melt flow rate.G.1.2 EquipmentG.1.2.1 Irradiation chamber, equipped with a xenon lamp (see ISO…
1 SCOPE AND FIELD OF APPLICATION This International Standard specifies a method of determining the apparent density, i.e. the mass per unit of volume, of base material (powder or granular material) that can be poured from a funnel of specified design. NOTE: For a method of degerming the apparent density of loose moulding maternal that…
faces. A jig as shown in Fig. 1 and capable of notching the specimens in accordance with 10.2 shall be used.NOTE 4—It is recommended that the jig be permanently mounted to ensure notching consistency.6.3 Specimen Holders—Lengths of hard or half-hard brass channel having the dimensions shown in (B) of Fig. 2 shall be used. The…
10 Mechanical properties10.1 Mechanical strength10.1.1 Conduit systems shall have adequate mechanical strength. 10.1.2 Conduits, according to their classification, when bent or compressed, or exposed to impact or extreme temperature of a specified value in accordance with impact and temperature classification declared for the product, either during, or after, installation according to the manufacturer’s instructions, shall…
