BS EN ISO 9229:2020 pdf download.Thermal insulation – Vocabulary. This docunwnt provides a vocabulary of terms used in the field of thermal insulation that covers materials, products, components and applications. Some of the terms can have a different meaning when used in other industrws or applications. 2 NormatIve references There are no normative references In thts document. 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. ISO and IEC maintain terminological databases foe use in standardization at the following addresses: — ISO Online browsing pbt Form aviilahk at hii/www.iaurgubp — IEC llectropedla: available at btllwwwlctwplLa.org 3.1 Thermal insulation materials 3.1.1thermal insulation material substance that Is intrnded to reduce heat transfer and that derives its Iimulauon properties iroiti its chemical nature, its physical structure or both 3.1.2cellular plastic thermal rnwlaurrn material (iLl) made from plastic, in wbich the density is redurd by the presence of numerous small cavities (cells), which may he interconnecting or not, dispersed throughout the material 3.1.2.1expanded polystyrene EPS rigid cellular pkrstic (112) thermal thsulation material (11.1) manufactured by moulding beads of expandable polystyrene or one of Its co-polymers and that has a substantially closed-cell structure. Filled with air 3.1.2.2 extruded polystyrene loam xps rigid celhdar pJazt (112) thermal uixuktwsi mat.erol (iLl) made from polystyrene or one of Its Co. polymers, which has a closed.crll structure and is produced through an extrusion process 3.1.2.3 flexible elastomrrlc foam pliable thermal tnsulorioe product (32l) made of natural or synthetic rubber, or a mixture of the two. and containing other polymers and other chemicals that may be modified by organic or Inorganic additives 3.1.2.4 phenolic foam PF rigid cellular plastic (11.2) thermal insulation material (IL1). the polymer structure of which is made primarily from the poly-condensation of phenol, its homologues and/or derivatives with aldehydes or ketones 3.1.2.5 polyethylene foam PEF semi-rigid or flexible cellular plastic (312) thermal insulation material 111) based on polymers derived mainly from ethylene and/or propylene 3.1.2.6polyurethane foam PURrigid or semi-rigid cellular plastic (3.1.2) thermal insulation material (111.) with a substantially closed- cell structure based on polyurethanes 3.1.2.7urea formaldehyde foam cellular plastic (11.2) thermal insulation material (lid) with a substantially open-cell structure, based on an amino resin made by the polycondensation of urea with formaldehyde 3.1.2.8expanded polyvinyl chloride rigid or semi-rigid cellular plastic (3J..2) thermal insulation material (I1JJ based on vinyl chloride polymers expanded to form a cellular structure consisting substantially...
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