IS 11298-3-4: Plastic films for electrical purposes, Part 3: Specifications for individual materials, Section 4: Requirements for polyicarbonate (PC) films used for electrical insulation

13 Pages·1998·1.2 MB·English

by  Bureau of Indian Standards

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and whereas the attached publication of the Bureau of Indian Standards is of particular interest
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education and knowledge, the attached public safety standard is made available to promote the
timely dissemination of this information in an accurate manner to the public.
“जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ”
Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru
“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS 11298-3-4 (1998): Plastic films for electrical purposes,
Part 3: Specifications for individual materials, Section 4:
Requirements for polyicarbonate (PC) films used for
electrical insulation [ETD 2: Solid Electrical Insulating
Materials and Insulation Systems]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee””
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”

IS 11298 ( Part 3/Set 4 ) : 1998
IEC 674-3-3 ( 1992 )

Indian Standard
~PLASTIC SMLIF ROF ELECTRICAL PURPOSES
PART 3 SNOITACIFICEPS ROF LAUDIVIDNI SLAIRETAM
Section 4~Requirements for Polycarbonate ( PC)
Films Used for Electrical Insulation
SCI 02.530.92 : 01.041.38

Q SIB 8991
BUREAU OF CNDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH RAFAZ MARG
NEW IHLED 200011

yluJ 8991 Price Group 4
diloS lacirtcelE gnitalusnI slairetaM lanoitceS ,eettimmoC TE 20
LANOITAN FOREWORD
sihT naidnI dradnatS si lacitnedi htiw CEI PUB 3-3-476 ( 2991 ) noitacificepS‘ for citsalp smlif for
lacirtcele sesoprup - traP 3 : snoitacificepS for laudividni slairetam - teehS 3 : stnemeriuqeR for
etanobracylop ( PC ) smlif desu for lacirtcele ’noitalusni deussi yb eht lanoitanretnI lacinhcetortcelE
noissimmoC ( CEI ) dna saw detpoda yb eht uaeruB of naidnI sdradnatS no eht noitadnemmocer of
eht diloS lacirtcelE gnitalusnI slairetaM lanoitceS eettimmoC ( ETD 20 ) dna lavorppa of eht
lacinhcetortcelE noisiviD .licnuoC
sihT dradnats ( traP teS/3 4 ) si eno of eht seires of naidnI sdradnatS hcihw laed htiw citsalp smlif
for lacirtcele .sesoprup ehT seires stsisnoc of eht gniwollof :strap
traP 1 snoitinifeD dna lareneg stnemeriuqer
traP 2 sdohteM of tset
traP 3 laudividnI slairetam - snoitacificepS
sihT dradnats ( traP /3 teS 4 ) srevoc eht stnemeriuqer for etanobracylop ,smlif for esu sa lacirtcele
.noitalusni
nI siht naidnI ,dradnatS reverehw ecnerefer sraeppa ot CEI l-476 0891: noitacificepS‘ for citsalp
smlif for lacirtcele sesoprup - traP 1 : snoitinifeD dna lareneg ,’stnemeriuqer ti llahs eb daer sa
SI 89211 ( traP- 1 ) : 5891 citsalP‘ smlif for lacirtcele sesoprup : traP 1 snoitinifeD dna lareneg
stnemeriuqer ; CEI 2-476 : 8891 noitacificepS‘ for citsalp smlif for lacirtcele sesoprup - traP 2 :
sdohteM of ’tset llahs eb daer sa SI 89211 ( traP 2 ) : 7891 citsalP‘ smli{ for lacirtcele sesoprup :
traP 2 sdohteM of ;’tset dna CEI 3-3-476 : 2991 noitacificepS‘ for citsalp smlif for lacirtcele sesoprup
- traP 3 : snoitacificepS for laudividni slairetam - teehS 3 : stnemeriuqeR for etanobracylop )CP(
smlif desu for lacirtcele ’noitalusni llahs eb daer sa SI 89211 ( traP teS/3 4 ) : .8991 ehT evoba CEI
sdradnats era tnelaviuqe ot eht evitcepser naidnI .sdradnatS roF CEI 757 : 3891 ereht si on
tnelaviuqe naidnI dradnatS .tneserp-ta
niatreC snoitnevnoc gniraeppa ni siht laud rebmun dradnats era ton lacitnedi ot esoht desu ni naidnI
.sdradnatS noitnettA si ylralucitrap otnward eht :gniwollof

)a reverehW eht sdrow lanoitanretnI‘ ’dradnatS raeppa gnirrefer ot siht ,dradnats yeht dluohs

eb daer sa naidnI‘ ;’dradnatS
)b Comma ( , ) sah neeb desu sa lamiced rekram elihw ni naidnl ,sdradnatS eht tnerruc
ecitcarp si ot esu a tniop ( )~. sa eht lamiced .rekram
ylnO eht hsilgnE egaugnal txet ni eht CEI dradnats sah neeb deniater elihw gnitpoda ti ni siht naidnI
.dradnatS
roF eht esoprup of gnidiced rehtehw a ralucitrap tnemeriuqer of siht dradnats si deilpmoc ,htiw eht
lanif ,eulav devresbo ro detaluclac gnisserpxe eht tluser of a tset ro ,sisylana llahs eb dednuor off ni
ecnadrocca htiw SI 2 : 0691 seluR‘ for gnidnuor off laciremun seulav ( revised )‘. ehT rebmun of
tnacifingis secalp deniater ni eht dednuor off eulav dluohs eb eht emas sa taht of eht deificeps eulav
ni siht .dradnats
IS 11298 (Part 3/Set 4) : 1998
IEC -674-3-3 ( 1992 )
lndian Standard
CITSALP SMLIF ROF ELECTRICAL PURPOS-ES
PART 3 SPECIFICATIONS FOR INDIVIDUAL MATERIALS
Section 4 Requirements for Polycarbonate ( PC)
Films Used for Electrical Insulation
1 General
1.1 Scope
sihT lanoitanretnI dradnatS sevig eht stnemeriuqer for etanobracylop ,smlif for esu sa
lacirtcele .noitalusni
2.1 evitamroN references
ehT gniwollof ?vitamron stnemucod niatnoc snoisivorp ,hcihw hguorht ecnerefer ni siht
,txet etutitsnoc snoisivorp of siht lanoitanretnI .dradnatS At eht emit of ,noitacilbup eht
snoitide detacidni erew .dilav llA evitamron stnemucod era tcejbus ot ,noisiver dna seitrap
ot stnemeerga desab no siht lanoitanretnI dradnatS era degaruocne ot etagitsevni eht
ytilibissop of gniylppa eht tsom tnecer snoitide of eht evitamron stnemucod detacidni
.woleb srebmeM of CEI dna 0SI niatniam sretsiger of yltnerruc dilav lanoitanretnI
.sdradnatS
CEI l-476 : ,0891 Specification for plastic films for electrical puiposes - Part 1: snoitinifeD
and general requirements.
CEI :2-476 ,8891 Specification for plastic films for electrical purposes - Part 2: Methods
of test.
tEC :757 ,3891 Code for designation of co/ours.

1 3. Classification
ehT etanobracylop mlif llahs eb of eht gniwollof :sepyt
epyT :1 lareneG esoprup ,suohproma ;dehctertsnu
epyT :2 lareneG esoprup ,suohproma ;dehcterts
epyT :3 roF esu sa eht cirtceleid of ,sroticapac yllaitrap enillatsyrc dna .dehcterts
esehT eerht sepyt era elbaliava ni raluger dna ni tnadrater-emalf .sepyt
2 Designation
ehT citsalp mlif llahs eb deifitnedi yb eht noitangised hcihw :swollof
noitangiseD of eht mlif - CEI 3-3-476 - PC - epyt - ssenkciht ni sertemorcim - htdiw ni
sertemillim - htgnel ni sertem - .ruoloc
:elpmaxE
etanobracyloP mlif CEI 3-3-476 - PC - epyt 1 - 001 - 02 - 002 - cn - f

(f = ;tnadrater-emalf r = ;raluger cn = larutan ;ruoloc rehto sruoloc gnidrocca ot CEI )757
1
IS 11298 (Part 3/Set 4) : 1998
IEC 674-3-3 ( 2991 )
3 General requirements
ehT lairetam llahs eb made from .etanobracylop-A-lonehpsib
tnadrater-emalF sedarg llahs eb made from a dnelb fo etanobracylop-A-lonehpsib dna
detanimorb .etanobracylop-A-lonehpsib
ehT lairetam llahs eb a ,elbixelf gnitroppus-fles .mlif llA sepyt llahs mrofnoc ot eht lareneg
stnemeriuqer dial nwod ni CEI .l-476
rof niatrec ,snoitacilppa sevitidda ot eht esab lairetam may eb tneserp .g.e( lamreht or UV
,sresilibats seyd or stnemgip rof noitacifitnedi .)sesoprup
Where hcus sevitidda era ,desu yeht llahs ton tceffa eht stnemeriuqer rof yna fo eht
seitreporp detsil rof taht ,epyt sselnu esiwrehto .deificeps
4 Dimensions
1.4 Thickness
ehT mlif ssenkciht llahs eb derusaem yb a cirtemivarg dohtem ni ecnadrocca htiw eht
stnemeriuqer fo 3.3 fo CEI .2-476
NOTES
1 There are on requirements for thickness in this tub~,dradnats preferred thicknesses are as follows:
,2 .3 .4 .5 ,6 .8~.7 .01 ,21 .51 ,02 ,52 ,03 .04 ,05 .06 ,57 ,08 .001 .021 ,521 ,051 ,081 .002 ,052 ,083 005
dna 067 pm.
2 The following thicknesses are commonly :elbaliava
elbaT 1 - epyT dna ssenkciht egnar

Thickness egnar
epyT for all sepyt
pm
1 02 - 067
2 02 - 001
3 2 - 06
ehT ssenkciht ecnarelot llahs ylpmoc htiw eht stnemeriuqer ni 1.4 fo CEI ,l.-476 sselnu
esiwrehto deificeps ni eht esahcrup .tcartnoc
2.4 Width
ehT mlif htdiw llahs eb derusaem ni ecnadrocca htiw eht stnemeriuqer fo esualc 5 fo
CEI .2-476
derreferP shtdiw tonnac eb nevig no tnuocca fo eht taerg yteirav fo .snoitacilppa
ehT ecnarelot no eht htdiw llahs ylpmoc htiw eht stnemeriuqer ni 2.4 fo CEI .i-476
2
IS 11298(Part3/Sec4):1998
CEI 674-3-3 ( 1992 )
5 seitreporP
1.5 Properties not dependent on thickness, all types, both regular and flame-retardant
elbaT 2 - ytreporP stnemeriuqer for lla sepyt
CEI 2-476
ytreporP Requirement Unit Test method epyT
Clause
ytisneD - normal 1 002 + 02 kg/m3 .4 method A 1 dna 2
1 012 + 02 3
ytisneD
flame-retardant 3) kg/m3 .4 method A 3dna2.1
Melting-point Under 3
consideration
ytivittimreP 0.3 + 1.0 ”1.61
0,3 f 0,l 32 “C, 84 zH - 26 zH 3dna2.1
32 “C, 1 zHk
--
Dissipation 0200,0< )’1.61 32 “C. 84 zH - 26 zH 1 dna 2
factor 2200.0< 32 “C, 1 zHk
2100,0< .2.61 32 “C, 84 zH - 26 zH 3
5100.0< ,2.61 32 “C, 1 zHk
Volume >l x 41o1 0.m )21.51 1
ytivitsiser >l x 51o1 2 dna 3
Surface >l x 51o1 R ’241 3dna2,1
ytivitsiser
Electrolytic Al 12 Visual test 3dna2.1
corrosion c2 % 12 Tensile wire test
Oimensional egnahc 541~ “C 42 1 dna 2
with rising 022> C‘ 3
temperature:

rednu tension

rednu pressure 571> “C 52 1 dna 2
s180 “C 3
1)
Use non-contacting electrodes or detaropave metal electrodes.
2) tnemerusaeM conditions ot eb 32 “C dna 05 % r.h. retfa 42 hours .erusopxe
The test segatlov are 001 V + 01 V for thicknesses 012 pm dna 01 V for thicknesses 011 pm.
3) The nominal ytisned shall eb as specified in eht purchase contract. Typical seulav for
nominal densities are in eht egnar fo 1 062 kg/m3 - 1 044 .3m/gk The actual ytisned shall ton
differ from eht nominal ytisned yb more naht 02* kglm3.
SI 89211 traP( teS/3 )4 : 8991
CEI 3-3-478 ( 2991 )
2.5 Properties dependent on thickness
elbaT 3 - ytreporP seulav for lla sepyt
Nominal thickness
CEI 2-476 pm
ytreporP Types Test <loo 0012 Units
method
enihcaM Transverse enihcaM Transverse
direction direction direction direction
Tensile strength 1 10” 08 08 06 06 aPM
2 031 08
Minimum seulav 3 ”081 06 1 1
Elongation 1 )’01 001 001 08 08 %
ta kaerb 2 04 001
Minimum seulav 3 ’204 001 -
Dimensional 1 32 3< 3< c3 3< %
egnahc 2 061( “C) 522 3<
egaknirhS 3 (30 min) 41< 3<
)‘ etaR fo noisnetxe 001 mm/m;?, reference lines 001 mm .trapa
,2 oN requirement for film below 5 pm.
elbaT 4 - cirtcelE htgnerts .c.a( )tset for lla sepyt
Nominal Minimum CEI 2-476
thickness electric strength Test method
w I nru/V Clause

6 062 1.81
51 062 Using 6 mm diameter
02 052 electrodes in air
03 052
04 091
06 061
001 001
051 08
002 07 I oil
052 06
083 06
067 06

4
SI 8991:)4ceS/3traP(89211
CEI 3-3-476 ( 2991 )
elbaT 5 - cirtcelE htgnerts .c.d( )tset for epyt 3 ylno
tseT dohtem - 2.81 of CEI 2-476
Breakdown voltage Not more than Not more than one
Minimum two of the 21 results of the 21 results
thicknes central value shall be below shali be below
V
a
1 000
10 1 500
12 2 400
15 2 700
008
20 2
lacirtcelE kaew stops epyt( 3 )ylno
nehW derusaem gnidrocca ot 3.91 of tEC 2-476 htiw a tset egatlov of 011 V/pm desab no
eht lanimon ssenkciht of eht ,mlif eht rebmun of stluaf detnuoc llahs ton deecxe eht
srebmun nevig ni elbat .6
elbaT 6 - rebmuN of stluaf detnuoc
Nominal Fault
thickness count/m2
wrn
3 5
4 4
5 2
6 2
a 0.8
10 O-3
12 0,2
3.5 Other properties
1.3.5 Thermal endurance
ehT lamreht ecnarudne llahs eb derusaem ni ecnadrocca htiw eht stnemeriuqer of
esualc 82 of CEI .2-476
ehT dne tniop noiretirc llahs eb 05 noitneter~% of eht lanigiro noitagnole ta kaerb .eulav
ehT erutarepmet xedni -for smlif of sepyt 1 dna 2 llahs eb ton ssel naht .031 erehT si on
tnemeriuqer for epyt .3 ehT dednemmocer gniega serutarepmet era 041 ,C“ 061 ,CO
081 ,C“ 002 .C“
2.3.5 Burning characteristics
ralugeR epyt

oN tnemeriuqer
5