BS EN 686:2019 pdf free.Resilient floor coverings - Specification for plain and decorative linoleum on a foam backing. 3.1 linoleum product produced by calendering one or more layers of a homogeneous mixture of linoleum cement, cork and/or wood flour, pigments and inorganic fillers containing a fibrous reinforcement and/or a fibrous backing; the product is then converted into its final form...
BS EN 50047:2019 pdf free
BS EN 50047:2019 pdf free.Low-voltage switchgear and controlgear -Control switches - Position switches 30 x 55- Dimensions and characteristics. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest...
BS ISO 20813:2019 pdf free
BS ISO 20813:2019 pdf free.Molecular biomarker analysis - Methods of analysis for the detection and identification of animal species in foods and food products (nucleic acid-based methods)一General requirements and definitions. 4.4 Units of measurement Qualitative analyses indicate the presence or absence (lack of detection) of a certain target. In quantitative analyses, the measured value is calculated as ratio of DNA...
BS EN 3275:2019 pdf free
BS EN 3275:2019 pdf free.Aerospace series - Pipe coupling 8930' up to 28 000 kPa - Dynamic beam seal -Metric series - Technical specification. Tests fluids Unless otherwise specified, tests shall be carried out using e.g. a petroleum base hydraulic fluid to MIL-H-5606 for coupling assemblies of type II temperature range and a silicate ester base hydraulic fluid to MIL-H-8446...
BS EN ISO 846:2019 pdf free
BS EN ISO 846:2019 pdf free.Plastics - Evaluation of the action of microorganisms. The test involves exposing test specimens of plastic to the action of selected test strains of fungi and bacteria (or, in the case of the soil-burial test, to microbially active soil) for specified or agreed periods of time under specified conditions of temperature and humidity. At the...
BS EN ISO 178:2019 pdf free
BS EN ISO 178:2019 pdf free.Plastics - Determination of flexural properties. A test specimen of rectangular cross-section, resting on two supports, is deflected by means of a loading edge acting on the specimen midway between the supports. The test specimen is deflected in this way at a constant rate at midspan until rupture occurs at the outer surface of the...
BS EN 50117-10-2:2019 pdf free
BS EN 50117-10-2:2019 pdf free.Coaxial cables. Cables according to this standard are designed for an operating temperature range from -40 °C to +70 °C1) and at frequencies between 5 MHz and 3 000 MHz. When designing the cable, consideration should be given to the maximum admissible current stated in the detail specification. It is assumed that the raise of temperature...
BS EN 50117-9-3:2019 pdf free
BS EN 50117-9-3:2019 pdf free.Coaxial cables. Cables according to this standard are designed for an operating temperature range from - 40 °C to +70 °C1 and at frequencies between 5 MHz and 6 000 MHz. When designing the cable, consideration should be given to the maximum admissible current stated in the detail specification. It is assumed that the raise of...
BS EN 12916:2019 pdf free
BS EN 12916:2019 pdf free.Petroleum products - Determination of aromatic hydrocarbon types in middle distillates - High performance liquid chromatography method with refractive index detection. A known mass of sample is taken and a fixed volume of this sample is injected into a high performance liquid chromatograph fitted with a polar column. Diesel fuels with a concentration of FAME up...
BS EN 15004-1:2019 pdf free
BS EN 15004-1:2019 pdf free.Fixed firefighting systems - Gas extinguishing systems. The design, installation, service and maintenance of gaseous fire-extinguishing systems shall be performed by those competent in fire extinguishing system technology. Maintenance and installation shall only be done by qualified personnel and companies. The hazards against which these systems offer protection, and any limitations on their use, shall be...