Standard Svensk standard · SS-EN ISO 20753:2018

Plast - Provkroppar (ISO 20753:2018)

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Standard Svensk standard · SS-EN ISO 20753:2018

Plast - Provkroppar (ISO 20753:2018)
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Omfattning
This document specifies dimensional requirements relating to test specimens prepared from plastics materials intended for processing by moulding, as well as to test specimens prepared by machining from sheets or shaped articles. It compiles the designations and dimensions of test specimens used for the acquisition of comparable data and also of other frequently used specimens.
The following types of test specimen are specified:
a) Type A1 and type A2 specimens (1 = injection moulded, 2 = machined from a sheet or shaped article)
These are tensile test specimens from which, with simple machining, specimens for a variety of other tests can be taken (see Annex A).
The type A1 specimen is a multipurpose test specimen. The principal advantage of a multipurpose test specimen is that it allows all the test methods mentioned in Annex A to be carried out by all test laboratories on the basis of comparable mouldings. Consequently, the properties measured are coherent as all are measured using similar specimens prepared in the same way. In other words, it can be expected that test results for a given set of specimens will not vary appreciably due to unintentionally different moulding conditions. On the other hand, if desired, the influence of moulding conditions and/or different states of the specimens can be assessed without difficulty for all of the properties measured.
Also described are reduced-scale test specimens designated type Axy, where x is the number indicating the method of specimen preparation (1 = injection moulded, 2 = machined from a sheet or shaped article) and y is a number indicating the scale factor (1:y). These can be used e.g. when full-sized test specimens are not convenient or when sample material exists in small quantities only.
b) Type B specimens
These are bar specimens which can be directly moulded or can be machined from the central section of type A1 specimens or from sheets or shaped articles.
c) Type C specimens
These are small tensile ...

Ämnesområden

Plast Allmänt (83.080.01)


Köp denna standard

Standard Svensk standard · SS-EN ISO 20753:2018

Plast - Provkroppar (ISO 20753:2018)
Prenumerera på standarden - Läs mer Dölj
Pris: 965 SEK
standard ikon pdf

PDF

Pris: 965 SEK
standard ikon

Papper

Pris: 1 544 SEK
standard ikon pdf + standard ikon

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Produktinformation

Språk: Engelska

Framtagen av: Plast, SIS/TK 156

Internationell titel: Plastics - Test specimens (ISO 20753:2018)

Artikelnummer: STD-80008161

Utgåva: 2

Fastställd: 2018-12-04

Antal sidor: 28

Ersätter: SS-EN ISO 20753:2014