Kemesta

 

ISO 6270-2:2017 specifies the general conditions and procedures which need to be observed when testing coated test specimens in constant condensation-water atmospheres or in alternating condensation-water atmospheres, in order to ensure that the results of tests carried out in different laboratories are reproducible. NOTE The shape and preparation of the test specimens, the duration of the test and the assessment of the test results are not covered in this document.

 

This document specifies the cutting and preparation of test specimens and the conditions for performing the macroscopic examination of the test specimens. The test is applicable to welded assemblies made from thermoplastics materials filled or unfilled, using the following processes: - hot gas welding: round nozzle, high speed nozzle, wedge; - extrusion welding; - heated tool welding: butt, saddle, socket, wedge; - electrofusion welding: socket, saddle.

 

This document specifies the dimensions and the method for sampling and preparing test specimens, together with the conditions for carrying out the bend test. The result of the test is also influenced by the deformation behaviour of the tested material, the kind of welding process and the geometry of the sample. The test is applicable to plate and tube butt jointed assemblies made from thermoplastic materials filled or unfilled, but not reinforced, irrespective of the welding process used. It is not applicable to assemblies with a wall thickness < 3 mm.

 

This document specifies safety requirements and test methods for learning towers for domestic use that are intended to raise children to allow them to carry out tasks on kitchen worktops, bathroom sinks, etc. in a standing position. Learning towers are normally used by children up to 6 years old. Note If the product offers other functions other standards can be applied.

 

This document specifies the test method for determination of particle size of ion exchange resin by laser diffraction, ranging from 0,1 µm to 2,0 mm.

 

This part of ISO 11124 specifies requirements for stainless steel (shot and irregulars), as supplied for blast-cleaning processes. It specifies ranges of particle sizes, together with corresponding grade designations. Values are specified for hardness, density, defect/structural requirements, metallographic structure and chemical composition. The requirements specified in this part of ISO 11124 apply to abrasives supplied in the "new" condition only. Test methods for metallic blast-cleaning abrasives are given in the various parts of ISO 11125. Stainless steel shot and irregulars are used in both static and site blasting equipment. They are most often selected where a facility exists for the recovery and re-use of the abrasive.

 

This part of ISO 11124 specifies requirements for high chromium white cast iron grit, as supplied for blast-cleaning processes. It specifies ranges of particle sizes, together with corresponding grade designations. Values are specified for hardness, density, defect/structural requirements, metallographic structure and chemical composition. The requirements specified in this part of ISO 11124 apply to abrasives supplied in the "new" condition only. They do not apply to abrasives either during or after use. Test methods for metallic blast-cleaning abrasives are given in the various parts of ISO 11125. High chromium white cast iron grits are used in both static and site blasting equipment. They are most often selected where a facility exists for the recovery and re-use of the abrasive.

 

 

ISO 527-2:2012 specifies the test conditions for determining the tensile properties of moulding and extrusion plastics, based upon the general principles given in ISO 527-1.

 

This document describes a method to measure the energy required to rapidly delaminate a test piece of paper or board. Rupture of the test piece in the “Z” or thickness direction is initiated by a pendulum having a defined mass, moving at a defined velocity. The procedure is suitable for both single- and multi-ply papers and boards, including coated sheets and those that are laminated with synthetic polymer films. It is particularly suitable for papers and boards that may be subjected to z-direction[4][8] rapid impacts, impulses or shock loads during printing or conversion. The test procedure entails the adherence of double-sided adhesive tape to both sides of the test piece under pressure. For this reason, the method is unsuitable for materials that might be structurally damaged by compression or are porous enough to permit migration of the tape adhesive into or through the test piece.

 

 

This part of ISO 8502 describes a field test for the measurement of chloride ions using special detection tubes. With suitable surface sampling techniques, the test is applicable to steel surfaces before and after cleaning, as well as to painted surfaces between applications of coats.

 

This document specifies an instrumental method for determining the turbidity of clear liquids. It is applicable to resins and resin solutions, solvents, clear coating materials, monomers and any other liquids where clarity is specified. The measurement of the turbidity of liquids can be carried out visually or by instrument, but visual methods can be subjective. This method measures instrumentally the scattering of light by the insoluble matter in a liquid and therefore gives an objective determination of turbidity. Turbidity in liquids is caused by the presence of undissolved matter (i.e. non-settling flocculation, gels or other suspended matter such as particles or droplets). In the case of finely dispersed undissolved matter, the turbidity may be determined by measuring the intensity of the light which is scattered by the particles when a beam of light is passed through the liquid.

 

ISO 15715:2003 specifies an instrumental method for determining the turbidity of clear liquids. It is applicable to resins and resin solutions, solvents, clear coating materials, monomers and any other liquids where clarity is specified.

 

This document specifies general requirements and guidance for metagenomics-dedicated sample preparation, generating and analyzing metagenomics sequence data obtained from massive parallel sequencing platforms. The specified metagenomics process includes the following stages: This document applies to laboratories and research organizations.

 

This International Standard specifies frequency and methods for the verification of pendulum impact-testing machines used for the Charpy impact test, Izod impact test, and tensile impact test described in ISO 179-1, ISO 180, and ISO 8256, respectively. Verification of instrumented impact machines is covered insofar as the geometrical and physical properties of instrumented machines are identical to non-instrumented machines. The force/work verification of instrumented machines is not covered in this International Standard. This International Standard is applicable to pendulum-type impact-testing machines, of different capacities and/or designs, with the geometrical and physical properties defined in Clause 5. Methods are described for verification of the geometrical and physical properties of the different parts of the test machine. The verification of some geometrical properties is difficult to perform on the assembled instrument. It is, therefore, assumed that the manufacturer is responsible for the verification of such properties and for providing reference planes on the instrument that enable proper verification in accordance with this International Standard. These methods are for use when the machine is being installed, has been repaired, has been moved, or is undergoing periodic checking.

 

This document specifies requirements and corresponding test methods for nanoscale diamond as a functional additive in polymer composites. Ready-to-use functional nanodiamond extenders can be supplied in the form of a powder with specially modified surface that provides disaggregation of nanodiamonds when they are introduced into a specific production process and mixed. In addition, functional extenders can be supplied in the form of concentrated dispersions of disaggregated nanodiamonds based on solvents, polymer resins and plastics. It can be provided in the form of powder, suspension or solid nanodispersion based on the same polymer to be functionalized (also named masterbatch in polymer industry). Nanoscale diamond uniformly dispersed in polymers can improve polymers in terms of their strength, wear resistance, flexibility, thermal conductivity, thermal stability, radiation resistance and other functional properties.

 

This document specifies the methods for the determination of diameter and length of pellets. Concerning the pellet length, methods for the determination of fractions of specified lengths, such as pellets > 40 mm and particles below 10 mm and for determination of the average length are included.

 

This document specifies methods for the determination of diameter and length of pellets. Concerning the pellet length methods for the determination of fractions of specified length, such as oversized particles and particles below 10 mm and for determination of the average length are included.

 

ISO 13802:2015 specifies frequency and methods for the verification of pendulum impact-testing machines used for the Charpy impact test, Izod impact test, and tensile impact test described in ISO 179-1, ISO 180, and ISO 8256, respectively. Verification of instrumented impact machines is covered insofar as the geometrical and physical properties of instrumented machines are identical to non instrumented machines. The force/work verification of instrumented machines is not covered in this International Standard.