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  • BSI
    PD ISO/TR 20342-7:2021 Assistive products for tissue integrity when lying down - Foam properties, characteristics and performance
    Edition: 2021
    $316.70
    / user per year

Description of PD ISO/TR 20342-7:2021 2021

This document lists the terminology and common test methods used by manufacturers and laboratories to quantify the performance of a foam material. It also and gives information to users or buyers of these products to make an educated assessment of the relevance of the physical characteristics between various products offered to them.

This document summarizes/gives information about the tests for

  • polyurethane foams – typically polyether (polyether polyurethane foam) or polyester based (polyester polyurethane foam) – produced by either slabstock (slabstock foam) or moulded foam process, and

  • latex foams produced by either the Dunlop process or Talalay process.

The physical properties addressed in this document are

  1. resilience,

  2. hysteresis,

  3. support/SAG factor,

  4. density,

  5. hardness,

  6. compression set,

  7. tensile strength,

  8. tear strength,

  9. air flow/permeability,

  10. resistance to fatigue, and

  11. microbial resistance.

NOTE

The test methods presented in this document do not necessarily simulate conditions of use in practice. The use of resulting data is therefore restricted to a broad comparative assessment between different foam products.

This document addresses only the characterization and performance of foam materials used in APTIs. It does not address the design, construction method or other factors relating to the final clinical efficiency of the product.

Test methods for characterizing the physical properties of any coverings, or the effects of any coverings on the physical properties of the foams, are not addressed in this document.



Standard NumberPD ISO/TR 20342-7:2021
TitleAssistive products for tissue integrity when lying down - Foam properties, characteristics and performance
StatusWithdrawn
Publication Date2021-08-19
Withdrawn Date2022-05-18
Identical National Standard OfISO/TR 20342-7
DescriptorsTesting, Tissue biology, Tissue culture, Biological analysis and testing, Tissue implantation tests, Foams
ICS11.180.01 Aids for disabled and handicapped persons in general
CommitteeCH/173
ISBN978 0 539 17107 5
PublisherBSI
Pages22

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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