BS EN 15004-6:2020 pdf free.Fixed firefighting systems一Gas extinguishing systems.Physical properties and system design of gas extinguishing systems for HFC 23 extinguishant. BS EN 15004-6 1 Scope This document contains specific requirements for gaseous fire-extinguishing systems, with respect to the HFC 23 extinguishant. It includes details of physical properties, specification, usage and safety aspects and is applicable to systems operating at...
BS EN 14803:2020 pdf free
BS EN 14803:2020 pdf free.Identification and / or determination of the quantity of waste. BS EN 14803 This document specifies general requirements and verifications for methods of identification of waste containers and/or determination of the quantity of waste and other reusable materials including:一safety requirements; 一interface requirements and performances; 一 data to be treated and their integrity. This document is applicable...
BS EN 14105:2020 pdf free
BS EN 14105:2020 pdf free.Fat and oil derivatives—Fatty Acid Methyl Esters (FAME>一Determination of free and total glycerol and mono-, di-, triglyceride contents. BS EN 14105 This document specifies a method to determine the free glycerol and residual mono-, di- and triglyceride contents in fatty acid methyl esters (FAME). The total glycerol content is then calculated from the obtained results.Under the...
BS EN 13656:2020 pdf free
BS EN 13656:2020 pdf free.Soil, treated biowaste, sludge and waste一Digestion with a hydrochloric (HCI), nitric (HNO3) and tetrafluoroboric (HBF4) or hydrofluoric (HF) acid mixture for subsequent determination of elements.BS EN 13656 This document specifies three methods for the digestion of soil, treated biowaste, sludge and waste by the use of an acid mixture composed of hydrochloric (HCI), nitric (HNO3) and...
BS EN 13523-18:2020 pdf free
BS EN 13523-18:2020 pdf free.Coil coated metals - Test methods.Resistance to staining. BS EN 13523-18 1 Scope This document specifies test procedures for assessing the effect of chemicals on the characteristics of an organic coating on a metallic substrate. It covers testing by using defined substances and to assess the change in characteristics such as discoloration, change in gloss, blistering,...
BS EN 12697-29:2020 pdf free
BS EN 12697-29:2020 pdf free.Bituminous mixtures - Test methods.Determination of the dimensions of a bituminous specimen. BS EN 12697-29 1 Scope This document specifies a test method for determining the dimensions of cylindrical, rectangular or non-rectangular bituminous test specimens by measurement. The test is applicable to laboratory-made specimens, trimmed by sawing, or specimens from cores cut from the road, trimmed...
BS EN 12697-21:2020 pdf free
BS EN 12697-21:2020 pdf free.Bituminous mixtures - Test methods.Indentation using plate specimens. BS EN 12697-21 1 Scope This document specifies a test method for measuring the indentation of mastic asphalt when it is penetrated at a given temperature, load and for a fixed time period by a standardized cylindrical indentor pin with a circular flat-ended base. This document applies to...
BS EN 12225:2020 pdf free
BS EN 12225:2020 pdf free.Geosynthetics一Method for determining the microbiological resistance by a soil burial test. BS EN 12225 This document specifies a method for the determination of the microbiological resistance of geosynthetics including those of natural fibres and biodegradable polymers by a soil burial test.NOTE Experience and exhumation of geosynthetics which had performed successfully, in some cases for more than...
BS EN 6111:2020 pdf free
BS EN 6111:2020 pdf free.Aerospace series - Ethylene-propylene elastomer (EPM/EPDM) - Hardness 80 IRHD for static seal elements in hydraulic systems for long-term application - - Material standard. BS EN 6111 This document defines the requirements of ethylene-propylene elastomer (EPM/EPDM) for seal elements for use as static seals in hydraulic systems using phosphate ester fluids, hardness 80 IRHD (International Rubber...
BS EN 4572:2020 pdf free
BS EN 4572:2020 pdf free.Aerospace series - Heat resisting alloy X12CrNiCoMoW21- 20一Solution treated -Sheets and strips- a≤3 mm. BS EN 4572 1 Scope This document specifies the requirements relating to: Heat resisting alloy X12CrNiCoMoW21-20 Solution treated Sheets and strips a≤3mm for aerospace applications. ASD-STAN designation: FE-PA4901. 2 Normative references The following documents are referred to in the text in such...