38. Stiffness of Fabric 38.4 Apparatus:38.4.1 CRE-Type Tensile Testing Machine.38.4.2 Loading Cell, 20 N (2000 gf).38.4.3 Specimen Holder—An 85-mm (33⁄8-in.) square frame made of 5-mm (1⁄4-in.) diameter steel rod. In the middle of one side is a hook made of 3-mm (1⁄8-in.) rod diameter for connecting the holder to the loading cell. In the middle…
4 Apparatus 4.1 The apparatus used for the test should be designed to comply with the following conditions. 4.1.1 It should be possible to clamp the specimen of fabric in such a way that a) it is horizontal and is not bulging; b) an area of the fabric of 100 cm2 * is subjected to…
12.12 Resistance to Impact of the Coating 12.12.1 EquipmentThe equipment shall consist of the following:(a) an impact tester having the following features:(i) 1 kg falling mass;(ii) 15.8 mm diameter ball-bearing tup;(iii) 1 m long graduated slotted tube;(iv) for laboratory-coated specimen testing, flat anvils hardened to 55 ± 5 HRC;(v) for testing specimens from test rings,…
8. Requirements 8.1 Longitudinal Reversion—When tested in accordance with ISO 15874-2, at the conditions given in Table 8, the mean relative change in pipe length shall not exceed 2 %. 8.2 Melt Flow Rate (MFR) of Pipe and Fittings—When tested in accordance with D 1238, the MFR of specimens taken from the finished pipe or…
C.1 GeneralThe test shall consist of measuring the force required for peeling the coating from the metal substrate of the pipe at a constant rate of pull.C.2 EquipmentC.2.1 Tensile testing machine, capable of recording the peel force with a 5 % reading accuracy, thatoperates at a rate of pull of 10 mm/min, as shown in…
6 Apparatus6.1 Fig. 1 shows an example of the test apparatus that can be used in the performance of this test method. The apparatus requires a pressure vessel rated to a minimum of 690 kPa (100 psi). The vessel diameter should be 600 mm3. Other size vessels may be used but it is up to…
3 Apparatus3.1 Ambient temperaturesFor tests at ambient temperatures (see 5.2), a test room or water bath, capable of being maintained ata temperature to within ± 2°C.3.2 Elevated temperaturesFor tests at elevated temperatures, an air chamber or water bath, capable of being maintained at thespecified test temperature to within +3….-1C 3.3 Pressure control deviceA pressure control…
D.1 GeneralThermal analysis shall be used to characterize the uncured epoxy (powder, one-component liquid ortwo-component liquid) and the cured coating film.Differential scanning calorimetry (DSC) shall be used. Reference can be made to ISO 11357-2 for adescription of the general procedure and definitions. General handling and calibration shall be performed as inISO 11357-2 unless stated otherwise…
4 PrincipleA cylindrical rubber test piece is made to slide over an abrasive sheet of specified abrasive grade at aspecified contact pressure over a given distance. The test piece may be non-rotating or rotating during the test.Abrasion takes place over one of the end surfaces of the cylindrical test piece (see Figure 1). The abrasivesheet…
4.2 Pipe materialWhen tested in accordance with the test method as specified in Table 1, using the indicated parameters, the pipe material shall have characteristics conforming to the requirements given in Table 1.The pipe material shall be tested in the form of a pipe. 4.3 Fitting material When tested in accordance with the test method…
