Plastics — Determination of the tendency of compounds and products based on vinyl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevated temperatures 3 Principle A test portion of the PVC compound or product is maintained at an agreed temperature in still air until the color of a Congo…
Comparing Different Types of Bend-Rebend Testing ASTM A615 Bending Requirements10.1 The bend-test specimen shall withstand being bent around a pin without cracking on the outside radius of the bent portion. The requirements for degree of bending and sizes of pins are prescribed in Table 3. When material is furnished in coils, the test specimen shall…
5 Apparatus5.1 Blanking Die—A die suitable for cutting test specimens.Acceptable dies are: the type L die per Test Method D1822, with holes drilled or punched in the tab areas after die cutting; a die with the dimensions and tolerances specified in Fig. 2. 5.2 Stress-Crack Testing Apparatus—A lever loading machine, with a lever arm ratio…
4.2 Apparatus Forced-air-circulation oven, maintained at 70 °C ± 2 °C, capable of re-establishing that temperature within five minutes after insertion of test pieces. NOTE — A constant-temperature bath may be used instead of the oven, provided it has the same thermal capabilities as specified for the oven. 4.3 Test pieces Five sections of the…
Apparatus6.1 Grips—Grips for SIM and R+H tests should be the same as the grips for ultimate strength tensile tests. Neither slippage nor excessive stress causing premature rupture should be allowed to occur.6.2 Testing Machine—A universal testing machine or a dead-weight loading system with the following capabilities and accessories shall be used for testing.6.2.1 Load measurement…
7.1.1.3 End Item—Domestic and domestic/fire retardant classes of corrugated fiberboard, constructed as specified in 6.4, shall conform to the requirements in Table 1 for bursting strength or puncture resistance or edge crush (as specified) when tested as specified in 9.1.3, 9.1.5, or 9.1.8. (See compliance statement following Table 1 for Burst and Edge Crush.)7.1.2 Weather-Resistant…
Applications in the medical and pharmaceutical industry
3 Apparatus3.1 Drying oven or equivalent device, capable of maintaining the temperature at (105 ± 2) °C at the position for the cup(s) (see 3.2 and 5.4).3.2 A cylindrical glass weighing cup, with a diameter of 35 mm capable of containing a test piece (see 4.1), a minimum volume of 50 ml and a corresponding…
Beside all other ways of laboratory sample preparations like: One economic sample preparation method uses a manual milling machine and templates for different tensile samples. In this method, the customer needs to inform us about the sample types that are going to be produced with this machine, and we will provide templates for them. TEMPCUT…
8 Mechanical characteristics8.1 Impact strengthPipes with a nominal wall thickness of 14,9 mm or less, when tested for resistance to external blows at 0 °C in accordance with EN 744:1995 shall have a true impact rate (TIR) of not more than 10 % when tested at the levels given in table 6.Pipes in the series…
