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BS ISO 21844:2018 pdf free

BS ISO 21844:2018 pdf free.Cellular plastic一Cellulose foam thermal insulation一Material specification
This document specifies material requirements and identifies the test methods to be used to determine these requirements for cellulose foam for thermal insulation for buildings and other applications.
There are four categories of material characterized by the density of the material.
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 edition of the referenced document (including any amendments) applies.
ISO 844, Rigid cllular plastics一Determination of compression properties
ISO 845, Cllular plastics and rubbers一Determination of apparent density
ISO 1209-1, Rigid cllular plastics一Determination offlexural properties一Part 1: Basic bending test
ISO 1663, Rigid cellular plastics一Determination of water vapour transmission properties
ISO 2796, Cellular plastics, rigid一Test for dimensional stability
ISO 2896, Rigid cellular plastics一Determination of water absorption
ISO 8301, Thermal insulation一Determination of steady-state thermal resistance and related properties一Heat flow meter apparatus
ISO 11561, Ageing of thermal insulation materials一Determination of the long-term change in thermal resistance of closed-cell plastics (accelerated laboratory test methods)
ISO 12576-1, Thermal insulation一Insulating materials and products for buildings一Conformity control systems一Part 1: Factory-made products
ISO 16000-4, Indoor air一Part 4: Determination of formaldehyde一Diffusive sampling method
ISO 16000-9, Indoor air一Part 9: Detrmination of the emission of volatile organic compounds from building products and furnishing一Emission test chamber method
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
一IEC Electropedia: available at http://www.electropedia.org/
一ISO Online browsing platform: available at https://www.iso.org/obp
In the event of using the dyestuff for colour collaboration during the manufacturing process, water soluble dye that is not harmful to human body shall be used. Fluorescent whitening agent shall not be used.
In the event of pulping, the waste paper for recycling with pulper, films (synthetic resin laminating,glass addition, etc.) shall be removed, and no foreign matters shall be mixed in the process.BS ISO 21844 pdf download.

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