(a) Criteria for Acceptance. Each seat cushion must meet the following criteria: (1) At least three sets of seat bottom and seat back cushion specimens must be tested. (2) If the cushion is constructed with a fire blocking material, the fire blocking material must completely enclose the cushion foam core material. (3) Each specimen tested…
10.5 Flexing test10.5.101 An assembly consisting of a conduit with a terminating conduit fitting, assembled in accordance with the manufacturer’s instructions, shall be subjected to a flexing test by means of the apparatus shown in figure 101.10.5.102 The test shall be made on six samples of conduit of an appropriate length. Three of the samples…
First lets take a look at the tests need to be done on the pipe itself according to this norm: 5 General characteristics5.1 AppearanceWhen viewed without magnification the internal and external surfaces of pipes shall be smooth, clean and free from scoring, cavities, and other surface defects to an extent that would prevent conformity to…
3 Equipment—A typical, commercially available machine as used in the preparation of this test procedure and known as a Friction Materials Test Machine is shown in Figures 1 and 2. The Friction Materials Test Machine shall be equipped with suitable means for:a. Measuring the drum temperatureb. Heating the drumc. Controlling the drum heating rated. Cooling…
3 ApparatusOrdinary laboratory apparatus and glassware, together with the following: 3.1 Balance, capable of weighing to an accuracy of 0,1 g. 3.2 Test sieves, circular, with a height of 25 mm to 50 mm and a sieving area approximately 200 mm diameter, made of woven metal wire cloth. The frame of the test sieves shall…
2 PrincipleA test assembly comprising either a fabricated product or an assembly of pipes and/or fittings is subjected to a given internal hydrostatic pressure for a given time period during which the leaktightness of the fabricated product or the joint is verified by inspection.NOTE It is assumed that the following test parameters are set by…
4 PrincipleA test portion of the latex concentrate is diluted to by mass total solids content and stirred at high speed.The time required to initiate visible flocculation is recorded, this being regarded as a measure of the mechanical stability.5 ReagentsThe ammonia solutions (5.1 and 5.2) shall be prepared from ammonium hydroxide of recognized analytical reagent…
Apparatus4.1 Balance—An analytical balance capable of reading 0.0001 g.4.2 Oven, capable of maintaining uniform temperatures of 50 ± 3°C [122 ± 5.4°F] and of 105 to 110°C [221 to 230°F]. Test Specimen5.1 The test specimen for molded plastics shall be in the form of a disk 50.8 mm [2 in.] in diameter and 3.2 mm…
13.1 Test MeansTest means and the main test conditions are given in table 7. 13.2 Test conditions for first characteristic numerals 1, 2, 3, 4The object probe is pushed against any openings of the enclosure with the force specified in table 7. 13.3 Acceptance conditions for first characteristic numerals 1, 2, 3, 4The protection is…
3 Apparatus 3.1 GeneralTheapparatus shall consist of a jig or any other arrangement capable of: a)applying the specified diametric and/or angular deflection; b)applying the specified test pressure(s), positive or negative; c)maintaining the test assembly in the required position throughout the test; d)resisting the forces resulting from the mass of the water in the test assembly…
