SIST ISO 6186:2000

Plastics -- Determination of pourability

SIST ISO 6186:2000

Name:SIST ISO 6186:2000   Standard name:Plastics -- Determination of pourability
Standard number:SIST ISO 6186:2000   language:English language
Release Date:30-Apr-2000   technical committee:IPMA - Polimer materials and products
Drafting committee:   ICS number:83.080.20 - Thermoplastic materials
SLOVENSKI STANDARD
SIST ISO 6186:2000
01-maj-2000
3ROLPHUQLPDWHULDOL'RORþDQMHVSRVREQRVWLQDVLSDYDQMD
Plastics -- Determination of pourability
Plastiques -- Détermination de l'aptitude à l'écoulement
Ta slovenski standard je istoveten z: ISO 6186:1998
ICS:
83.080.20 Plastomeri Thermoplastic materials
SIST ISO 6186:2000 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ISO 6186:2000

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SIST ISO 6186:2000
INTERNATIONAL ISO
STANDARD 6186
Second edition
1998-06-15
Plastics — Determination of pourability
Plastiques — Détermination de l'aptitude à l'écoulement
A
Reference number
ISO 6186:1998(E)

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SIST ISO 6186:2000
ISO 6186:1998(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide
federation of national standards bodies (ISO member bodies). The work of
preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which
a technical committee has been established has the right to be represented
on that committee. International organizations, governmental and non-
governmental, in liaison with ISO, also take part in the work. ISO
collaborates closely with the International Electrotechnical Commission
(IEC) on all matters of electrotechnical standardization.
Draft International Standards adopted by the technical committees are
circulated to the member bodies for voting. Publication as an International
Standard requires approval by at least 75 % of the member bodies casting
a vote.
International Standard ISO 6186 was prepared by Technical Committee
ISO/TC 61, Plastics, Subcommittee SC 9, Thermoplastic materials.
This second edition cancels and replaces the first edition (ISO 6186:1980),
which has been technically revised.
©  ISO 1998
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced
or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm, without permission in writing from the publisher.
International Organization for Standardization
Case postale 56 • CH-1211 Genève 20 • Switzerland
Internet [email protected]
Printed in Switzerland
ii

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SIST ISO 6186:2000
©
INTERNATIONAL STANDARD  ISO ISO 6186:1998(E)
Plastics — Determination of pourability
1  Scope
This International Standard specifies two methods, A and B, for determining the pourability of plastics in powdered
and granular form by measuring the flow time through a funnel.
From method A, information concerning the processability can be derived, whilst method B is especially designed
for process control during manufacture.
NOTE —  The methods described are not applicable to all plastics in powdered and granular form.
2  Normative reference
The following standard contains provisions which, through reference in this text, constitute provisions of this
International Standard. At the time of publication, the edition indicated was valid. All standards are subject to
revision, and parties to agreements based on this International Standard are encouraged to investigate the
possibility of applying the most recent edition of the standard indicated below. Members of IEC and ISO maintain
registers of currently valid International Standards.
ISO 291:1997, Plastics — Standard atmospheres for conditioning and testing.
3  Definition
For the purposes of this International Standard, the following definition applies:
3.1  flow time: The time taken for a defined mass or volume of test material to flow through a funnel of specified
dimensions. It is indicated in seconds (s).
4  Principle
The time taken for a defined mass or volume of the test material to flow through a funnel of specified dimensions is
measured.
5  Apparatus
5.1  Funnel, of the shape and dimensions shown in figure 1 and in table 1. Simple test funnels or test funnels with
exchangeable nozzles may be used. The funnel shall be made of metal, for example stainless steel, and have the
inside surface carefully polished. It shall be fitted with a device for closing the outlet (for example a metal plate). The
funnel shall be earthed to discharge electrostatic charges.
1

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SIST ISO 6186:2000
©
ISO
ISO 6186:1998(E)
Dimensions in millimetres
a) Simple test funnel b) Test funnel with exchangeable nozzle
Key
1  Polished
2  Union nut
3  Nozzle
For values of d and h, see table 1.
Figure 1 — Test funnel
Table 1 — Funnel dimensions
Dimensions in millimetres
Diameter of outlet Height of funnel
d h
10,00 – 0,05 140
15,00 – 0,05 133
25,00 – 0,05 120
2

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SIST ISO 6186:2000
©
ISO
ISO 6186:1998(E)
5.2  Funnel support, to ho
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