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Preview
Nederlandse
NEN-ISO 9958-2
Tekenmateriaal voor technische
tekeningen. Tekenfilm op polyesterbasis. Deel 2: Bepaling van de
eigenschappen (ISO 9958-2:1992)
Draughting media for technical drawings. Draughting film
with polyester base. Part 2: Determination of properties
(ISO 9958-2:1992)
1e druk, juli 1995
UDC 744.3
Vo
be
iew
ev
Pr
or
Normcommissie 400 007 "Technisch tekenen"
eld
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Als Nederlandse norm is aanvaard de internationale norm
ISO 9958-2,1 e druk, 1992
Behoudens uitzondering door de wet gesteld mag
zonder schriftelijke toestemming van het Nederlands Normalisatie-instituut niets uit deze uitgave
worden verveelvoudigd en/of openbaar gemaakt door
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Normalisatie-instituut
N Nederlands
Dit document is een voorbeeld van NEN / This document is a preview by NEN
© 1995 Nederlands Normalisatie-instituut
Kalfjeslaan 2, Postbus 5059,2600 GB Delft, Telefoon (015) 690 390, Fax (015) 690 190
INTERNATIONAL
STANDARD
First edition
1992-11-01
Draughting
Draughting
or
Vo
-_-I--_-y-p--
-_--.-.__
________
- -_____________
-_----
media for technical drawings
film with Polyester base -
Part 2:
Determination
of properties
pour
dessins
techniques
-- Films
A dessin
A base
be
Partie
2: DcVerminafion
des propricV6s
iew
ev
Pr
Supporfs de fracaqe
de polyester
- * c
-
eld
Reference
numher
ISO 9958-2: 1992(E)
Dit document is een voorbeeld van NEN / This document is a preview by NEN
Vo
Foreword
or
ISO (the lnternational
Or,ganization
for Standat-dization)
is a worldwide
federation
of national Standards
bodies (lS0 member
bodies). The work
of prepat-ing international
Standards
is normally
carried out through ISO
technicA
commi’ttees.
Esch member
body Wer-ested
in a subject
for
which a technical
committee
has been established
has the right to be
International
organizations,
governrepresented
on that committee.
mental and non-governmental,
in Iiaison with ISO, also take part in fhe
work. ISO collaborates
closely
with the International
Eiectrotechnical
Commission
(IEC) on all matters sf elcctrotechnical
standardization.
Draft International
Standards
adopted by the technical
committees
are
circulated
to the tnembet- bodies for voting.
Pubtication
as an International
Standard
requires
approval
by at least 75 90 of the member
bodies casting a vote.
be
ev
Pr
International
Standard ISO 9958-2 was prepared by Technical
Committee
ISO/TC 10, Tectmicat drawings,
product dedinition and related docunienfafion, Sub-Committee
SC 9, Media and equiprnent
for drawing
and relaled docwne~~Qafion.
iew
ISO 9958 consists
of the following
pavts,
under
the geriet-al
title
5raughting
rnedia for fectmicat
drawings
-- Drarrghfing
film wih potyester base:
--- Part
_
Part 2; Def-er-rninafion
and marking
of proper-Ces
A of ttris pat-t of ISO 9958 is for information
only.
ISO 1992
All rights reserved.
No part of this publication
may be reproduccd
or by any means, electronie
or mechanical,
including
photocopying
permission
in writing
from the pubkher.
eld
Annex
1: ReqWemenfs
0
OY utilized in any fotm
arid microfilm,
without
for Standardization
Internatio nal Or ganization
Case Pos tale 56 l CH-121 1 GenGve 20 * Switzerland
Printed
in Switzerland
ii
Dit document is een voorbeeld van NEN / This document is a preview by NEN
INTERNATIONAL
STANDARD
ISO 9958-2:1992(E)
drawings
-
Draughting
film
Vo
Draughting
media for technical
with Polyester base Part 2:
Determination
Scope
or
1
of proper-Ces
Normative
references
and papers
PIjofography
of dimensional
-
Films
chanqe.
L
IEC 93:1980,
and surface
rnaterials.
Mefhods
resistivity
2: Black
media - Part Ir
paper- - Require-
of test for volume
of solid electrical
technical
base .-
resistivity
insulating
eld
ISO 6221:1991,
Determination
Part
Part 1:
require-
3
Definitions
For the purposes
of this part of ISO 9958, the definitions given in ISO 9958-1 apply.
ISO 5-2: 1991, Photography
--- Density measurements
-- Part 2: GeometAc
conditions
for- transmission
densify.
measurements
ISO 9957-1:1992,
Fluid dranghting
Water-based
lndia ink for tracing
ments and test conditions.
-
ISO 9958-1: 1992, Draughting
media
for
drawings
.- Draughting
film with polyester
Part 1:’ Requirements
and marking.
The following
Standards
contain
provisions
which,
through
t-eference in this text, constitute
provisions
of this part of ISO 9958. At the time of publication,
the editions
indicated
were valid. All Standards
arc
subject to revision, and Parties to agreements
based
on this part of ISO 9958 are encouraged
to investiqate the possibility
of applying
the most recent edifions of the Standards
indicated
below. Mernbers
of
iEC and ISO maintain
registers
of currently
valid
International
Standards.
ISO 5-3:1984, Photography
-- Uensity
- Part 3: Spectral conditions.
pencils
performante
ISO 9177-2:1989, MeciiaNcal
penciis ieads - Classification
and dimensions.
be
2
iew
ev
Pr
This part of ISO 9958 specifies
test methods for determininq
the properties
of draught.ing
film with a
biaxially‘oriented
polyethylene
terephthalate
base
(commonly
known as a Polyester
base), to be used
as a medium
for drawn
and written
information
which it is possible to duplicate,
revise and store.
ISO 9177-1:1989,
Mecl,anical
Ciassification,
dimensions,
ments and testing.
4
---
ISO 91754 : 1988, Tubular tips for hand-held
technical
pelz
using India ink on tracing
paper- - Part 1:
Definitions,
dimensions,
designation
and niarking.
Testing
- Genera1
The atmosphere
for conditioning
and testing
shall
be (23 .-+ 2) “C and (50 + 5) % relative
humidity.
atrnosphere
is in conformity
(Such
an
with
ISO 554[1J, normal tolerantes.)
Film packaqes
..
free from
defects
shall
be used.
1
Dit document is een voorbeeld van NEN / This document is a preview by NEN
ISO 9958-23 992(E)
5
Testing
of dimensional
6.3.4
Calculate
the rnean dimensional
the two directions
separately.
stability
Any method
complying
with lS0 6221 and giving
sufficient
accuracy
may be used for determining
the
thermal and hygroscopic
coefficients
of expansion.
Precautions
mensional
to be considered
when determining
changes arc described
in SS0 6221.
shall be made
The mea surements
dir-e ct ion and in the Cross direction.
in the
7
7.1
di-
7.1.1
machine
6.1
of permanent
of stability
in
of ferm
Curling
Principle
Measurement
08 the curl!
in accordance
with
ISO 9958~3:1992, figure 2, of a draughting
film of size
A4 placed on a flat surface.
Vo
6 Testing
Change
Testing
Change
dimensional
NOTE 1
In general,
sheets od sizes A4, A2 and AO are
tut in the machine direction
whiist sheets of sises A3 and
Al are tut in the Cross direction.
Principle
7.12
6.2
Test specimens
For draughting
film sheets
sheets as the test specimens.
of size
A4, select
two
Pr
iew
ev
6.3
Pracedure
Measure
the dirnensions
in the machine
direction
and in the Cross direction
using a method
giving
sufficient
accuracy.
Repeat
the measurements
at
least once so that each result is the mean of at least
two separate
measurements.
(-
the film for 24 h at each of the following
10 --l-- 2) “C (air of 23/50 cooled
( -t- 60 If: 2) “C and (80 & 5) % relative
humidity:
7.4.3
( + 23 + 2) T
humidity.
and (50 rf 5) % relative
dirnensions
Pracedure
habe9 the upper and lower
surfaces
of the test
specimens.
Place the two sheets, with different surfaces facing down, on a flat surface and condition
the sheets‘ at (23 + 2) “C and (50 -t
_- 5) oh relative
humiditv
for at Ieasfl6
h.
Measure
the curi. in millimett-es,
sf the upwardcurling sheet at the ends of the curled sides using
a suitable
measuring
method.
Calculate
the mean
value.
7.2
7.2.1
as
described
Bulging
Principle
Unrolling
of a drauqhting
film (of size in accot-dance
with 7.23) on a flat‘surface
and visual inspection
for
bulges.
7.2.2.2
the
two
Apparatws
7.2.2.1
Fiat surface, larger than the draughting
film,
with a straightness
tolerante
of 0,5 mm per 0,5 m.
to - 10 “C);
humidity;
Measure
select
For draughting
film sheets of size Iarget- than A4,
select two sheets of the film and tut from the centre
of each sheet a test specimen
of size A4 with the
lonqL side in the machine
direction.
7.2.2
(+ 23 + 2) “C and (50 & 5) ‘XI relative
6.3.3
6.3.1.
A4,
eld
specimens
of
the
the
test
6.3.1 Condition
draughting
film at (23 t- 2) “C and (50 1-15) % relative humidity
fov at lea& 16 h.
6.3.2 Store
conditions:
sf size
be
For draughting
film sheets of size larger than A4,
select two sheets of the film and tut from the centre
of each sheet a test specimen
sf size A4 with the
langI side in the rnachine direction.
Test specimens
For draughting
film sheets
sheets as the test specimens.
or
Measurement
of the dimensions
of the test specimens at 23 “C and 50 % relative
humidity.
Storage
of the test specimens
at low temperature,
and then
at high iemperature
and high relative humidity,
and
measurement
of the dimensions.
7.2.3
in
Cotton
gloves,
or similar.
Test specimens
For draughting
film in the form of a roll, tut a tninimum of four test specimens
of at least 2 m in length
fr-om the full width of the t-oll.
2
Dit document is een voorbeeld van NEN / This document is a preview by NEN
ISO 9958=2:1992(E)
For draughting
film in the form
select a minimum
of four sheets
mens.
7.2.4
thumb pressure
to ensure adequate contact, Ieaving
enough tape at one end to grasp. No portion of the
tape shall extend to the edges sf the test specimens.
of pre-tut
sheets,
as the test speci-
Within 5 min after applying
the tape, hold the test
specimens
firmly on a flat surface and remove the
tape rapidly from the film surface. This shall be accomplished
by pulling the end of the tape so that the
complete
length of tape is removed from the film at
an angle of approxitnately
180’ to the surface of the
Procedure
the
specimens
Condition
(50 -+ 5) % relative humidity
at (23 + 2) ‘C
for at least16
h.
and
Vo
Roll the film up carefully
on the flat surface (7.2.2.1)
with both hands,
using cotton
gloves
or similar
(7.2.2.2). Handle the filrn carefully.
DO not apply any
pressure on the film when rolling.
The forte required
to remove the tape shall be 3 N
to 4 N per ?O mm of tape width. Measurement
of the
forte shall be made using for example
a tensile
tester or a maximum
reading spring scale (8.1.2.1).
Unroll the film slowly on the flat surface, using both
hands. Make Sure that no air bubbles
at-e trapped
between the film and the flat surface.
Visually
inspect the film
and 5 min after unrolling.
Tape stripping
8.1
8.1 .i
General
Principle
between
2 min
or
8
for bulges
adhesisn
test
test
iew
Apparatus
8.1.2.1
Apparatus
for measuring
for example
a tensile testet- (see
maximum
reading spring scale.
-
with a forte
failure is not observed
4 N per 10 tnrn.
8.2 Testing
water
with
of adhesion
after
four test specimens
less than 3 N per
a forte
greater
immersion
in accordance
with
than
in
8.1.3.
Irnmerse
the test specimens
in distilled
water at
(23 -t- 2) OC for 5 min. Hang up the samples
and allowthem
to dry.
Carry out the tape
cordante
with 8.1.4,
stripping
adhesion
test
and note
any loss of
eld
Test specimens
Select four test specirnens
of the draughting
film,
two for testing each side of the film. The dimensions
of the specimens
are not critical, but one dimension
shall be greater than 150 mm.
8.1.4
---- failure is observed
10 mm, or
Select
maximum
forte,
ISO 4624[41) or a
8.1.2.2
Pressure-sensitive
tape, producing
a maximum bonding forte between
the tape and the particular
film surface
under test of 3 N to 4 N per
10 rnm of tape width. Tape with a thin. transparent,
plastic backing is preferred.
8.1.3
If the pressure
and titne cannot be adjusted so that
the fot-ce is 3 N to 4 N, another tape should be chosen. However, further testing need not be performed
if
be
ev
Pr
Application
of pressure-sensitive
tape to the surface
of the draughting
film and rapid removal
from the
filtn at an angle of approximately
180”.
8.1.2
NOTE 2
The binding for-ce is, to a certain extent, depenclent on the application pressure and the contact time.
Examine the samples
visually
coaling or any other defects.
8.3 Testing of adhesion
ammonia
solution
Select
four test specimens
after
immersion
in accordance
with
in ac-
in
8.1.3.
Immerse
the test specimens
in 25 % ammonia
solution at (23 rf 2) OC for 1 min. Hang up the samples
and allow them to dry.
Procedure
Condition
the
specimens
(50 -t
- 5) % relative humidity
at
(23 t- 2) “C
for at least 16 h.
and
Apply a Strip of pressure-sensitive
tape (8.1.2.2),
about 150 mm long, to the surface under test of each
Press the tape down with
of the test specitnens.
Carry out the tape
cordante
with 8.1.4.
stripping
Examine the samples
visually
coating or any other defects.
adhesion
test
and note
any loss of
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- Tekenfilm op polyesterbasis - Deel 2: Bepaling van de eigenschappen
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