Nekovové materiály

Oblast zaměření: Plasty
Komise : CEN/TC 249 (Plastics)
Původce: CEN
K připomínkám do: 10.10.2022
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This document specifies the classifications, requirements and test methods for unplasticized poly(vinyl chloride) (PVC-U) profiles covered with foils designed for external uses bonded with adhesives which are intended to be used for the fabrication of windows and doors.

NOTE 1       For editorial reasons, in this document, the term “window” is used for window/door.

NOTE 2       Profiles made from PVC-U materials with reinforcements (e.g. glass fibres) are not covered by this document.

NOTE 3       For the purpose of production control, test methods other than those specified in this document can be used.

Oblast zaměření: Kůže
Komise : CEN/TC 289 (Leather)
Původce: CEN
K připomínkám do: 17.10.2022
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This document specifies average values of leather density, depending on animal origin and thickness of finished leather, to be used for the calculation of LCA. This document is applicable to bovine, caprine and ovine types of leather, except for vegetable sole leather, which is traded by weight.

Oblast zaměření: Ropné produkty
Komise : CEN/TC 336 (Bituminous binders)
Původce: CEN
K připomínkám do: 17.10.2022
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This document specifies a method for the determination of the breaking and immediate adhesivity behaviour of cationic bituminous emulsions in contact with aggregate. The method applies to emulsions used for surface dressing and similar applications and can be used for formulation as well as for production control purposes.

WARNING — The use of this document can involve hazardous materials, operations and equipment. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this document to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.