IS 14425: Guide for manufacture of glass reinforced polyester resin mouldings

13 Pages·1997·1.3 MB·English

by  Bureau of Indian Standards

इंटरनेट मानक
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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 14425 (1997): Guide for manufacture of glass reinforced
polyester resin mouldings [PCD 12: Plastics]
“!ा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”

hdian Standard
EDIUG ERUTCAFUNAMROF FO SSALG
DECROFNIER RETSYLOP NISER SGNIDLUOM
ICS 83.120

OBIS 1997
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002

ecirP puorG 4
January 1997
scitsalP lanoitceS ,eettimmoC PCD 12
FOREWORD
sihT naidnI dradnatS was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dezilanif yb eht scitsalP
lanoitceS ,eettimmoC had neeb devorppa yb eht ,muelorteP laoC and detaleR stcudorP noisiviD .licnuoC
tI is dezingocer that rof eht yrotcafsitas ngised fo glass decrofnier retseylop niser ,sgnidluom ti is yrassecen
ot evig lacitirc noitaredisnoc ot eht noitceles and esu fo htob niser metsys and eht .tnemecrofnier roirP ot eht
ecnatpecca fo a ralucitrap ngised ti yam eb yrassecen ot ekatrednu a emmargorp fo noitaulave stset tnaveler
ot eht cificeps .snoitacilppa
ehT esoprup fo this ediug is ot etatilicaf eht noitaraperp fo etauqeda semehcs rof eht ytilauq lortnoc fo glass
decrofnier retseylop niser sgnidluom rof tnemeerga neewteb eht resahcrup and eht .reilppus tI is ton dednetni
ni this ediug ot laed htiw eht cificeps ,melborp tub htiw eht stset fo a enituor erutan nekatrednu ot erusne eht
deunitnoc ylppus fo yrotcafsitas .sgnidluom
elbaredisnoC assistances evah neeb devired elihw gniraperp this ediug morf SB traP:9454 0791:1 ediuG‘ ot
ytilauQ lortnoC stnemeriuqeR rof decrofnieR scitsalP ,sgnidluoM traP 1 retseyloP niser sgnidluom decrofnier
htiw dnarts-deppohc mat ro ylmodnar detisoped glass ’serbit issued yb hsitirB Standards .)1SB(noitutitsnI
IS 14425 : 1997
Indian Standard
EDIUG ROF ERUTCAFUNAM FO SSALG
DECROFNIER RETSEYLOP NISER SGNIDLUOM
1 SCOPE SI No. Title
11320 : 1996 Glass erbiI sgnivor rof eht -ecrofnier
This ediug sekam snoitadnemmocer rof eht noitaraperp
tnem fo retseylop and edixop~e
fo a emehcs ot lortnoc eht ytilauq fo sgnidluom edam
niser smetsys
morf glass erbil stnemecrofnier dednob htiw dellif ro
dellifnu retseylop niser .smetsys 11551 : 1996 Glass erbif dnarts-deppohc mat
)MSC( rof eht tnemecrofnier fo
2 NORMATIVE REFERENCES
,yxope cilonehp and retseylop niser
ehT gniwollof standards niatnoc snoisivorp ,hcihw smetsys (
first revision )
hguorht ecnerefer ni this txet etutitsnoc snoisivorp
:11431 1992 Glass decrofnier retseylop hguod
fo this standard. At eht emit fo ,noitacilbup snoitideeht
gnidluom sdnuopmoc
detacidni erew .dilav llA standards era tcejbus ot
noisiver and seitrap ot stnemeerga desab no this standard 13360 sdohteM-scitsalP fo gnitset
era degaruocne ot etagitsevni ytilibissop fo gniylppa traP( teS/S :)11 :scitsalp traP 5 lacinahceM
eht tsom tnecer snoitide fo eht standards detacidni 1992 ,seitreporp noitceS 11
:woleb noitanimreteD fo noitatnedni
hardness fo plastics yb snaem fo
SI .oN
Title
retemorud erohS( )ssendrah
2824: 1975 dohteM rof gninimreted eht
evitarapmoc gnikcart xedni fo dilos 3 PARAMETERS REQUIRING CONTROLS
insulating slairetam rednu tsiom
3.1 Materials
snoitidnoc
(first revision)
nI emos ,sesac rof etauqeda ,lortnoc ti ins yrassecen
3396: 1979 sdohteM fo tset rof emulov and
ot yficeps eht ralucitrap niser and tnemecrofnier ot
ecafrus seitivitsiser fo lacirtcele
eb .desu nI eseht sesac eht reilppus shall eb deriuqer
insulating slairetam ( $rst
ot eetnaraug that eht stnemeriuqer fo eht deificeps
revision ) edarg evah neeb .tem
4486: 1967 dednemmoceR sdohtem rof eht
3.1.1 stnemeriuqeR rof segnar fo retseylop niser desu
noitanimreted fo eht ytivitimrep and
shall mrofnoc ot SI :6476 1994. ehT epyt and egasod
cirtcele noitapissid rotcaf fo
fo ,tsylatac retomorp/rotarelecca metsys shall eb ni
lacirtcele insulating slairetam at
ecnadrocca htiw eht s’rerutcafunam .noitadnemmocer
,rewop oidua and oidar seicneuqerf
gnidulcni ertem shtgnelevaw
3.1.2 stnemeriuqeR rof segnar fo tnemecrofnier ot eb
6262 : 1971 dohteM fo tset rof rewop rotcaf desu shall mrofnoc ot eht tnaveler SI 11273 : 1992,
and cirtceleid tnatsnoc fo lacirtcele SI SIdna6991:02311 .ylevitcepser6991:15511
insulating liquids
3.2 Visual noitanimaxE
6746 : 1994 detarutasnU retseylop niser
hcaE gnidluom shall eb denimaxe ot erusne that ti is
smetsys
(first revision )
yllaitnatsbus eerf morf gnidurtorp ,serbif ,sdiov pits,
8543 sdohteM fo gnitset :scitsalp ,selbbub ,skcarc ,sretsilb niser hcir ro niser devrats
traP( teS/4 :)1 traP 4 trohS mret lacinahcem ,saera ro ngierof .srettam
1984 ,seitreporp noitceS 1 noitanimreteD
fo elisnet seitreporp 3.3 ssenikcaT
11273 : 1992 nevoW gnivor scirbaf fo ’E‘ glass hcaE gnidluom shall eb denimaxe ot erusne that ti has
erbif on ecafrus .ssenikcat
($rst revision )
1
IS 14425 : 1997
lliw ton ylirassecen tneserper eht denibmoc glass and
3.4 Mass
rellif .tnetnoc
nI emos sesac ti is lufesu ot kcehc eht mass fo hcae
.gnidluom nI hcus sesac eht elbatpecca noitairav ni A elbatius tset dohtem is debircsed ni xennA A fo
mass fo hcae gnidluom shall eb deerga neewteb eht SI .2991:11431
resahcrup and eht .reilppus
3.7 eruC of Resin
3.5 Dimensions oT erusne that eht niser metsys is yletauqeda ,deruc
a muminim eulav rof eht ’locraB‘ hardness fo eht
3.5.1 Tolerances
gnidluom shall eb deerga ehT eulav nesohc shall
ehT secnarelot fo all laitnesse snoisnemid shall eb eb detaluclac no 90 tnecrep fo eht muminim hardness
deerga neewteb eht resahcrup and eht .reilppus roF deificeps rof eht deruc metsys yb eht niser .reilppus
ecnadiug elbaT 1 lists lamron secnarelot rof eht
ETON ~ ehT ssendrah eulav si erutarepmet ,tnedneped
ssenkciht fo a .gnidluom
dna ti yam eb yrassecen rehtie ot etouq a tset erutarepmet
3.5.2 htiw a ecnarelot fo C”2* ro muminim seulav rof a egnar
Measurement
fo .erutarepmet
roF small sgnidluom a retemorcim htiw an livna fo ton
tI shall osla eb deerga at secalp~hcihw no eht gnidluom
less than 12 mm retemaid is ;elbatius rof egral sgnidluom
stnemerusaem era ot eb ;edam ni emos sesac ti yam
stnemerusaem shall eb edam no seceip tuc morf eht
eb elbarised ot eht~erusaem hardness fo eht taoc-leg
gnidluom ro a citengam ssenkciht tnemurtsni shall eb
as llew as eht main .gnidluom
.desu
3.7.1
Test Procedure
3.6 Glass Content
ehT tset rof hardness fo eht dluom shall eb edam ni
ehT lanimon glass tnetnoc and stimil fo its noitairav ecnadrocca htiw eht dohtem debircsed ni xemA A
nihtiw a gnidluom shall eb deerga neewteb eht resahcrup no snemiceps morf hcihw eht taoc-leg has neeb devomer
and eht .reilppus nI lareneg rof a lanimon glass tnetnoc yb sanding. sihT dohtem yam eb elbacilppa ot emos
fo N ,tnecrep eht elbissimrep egnar shall ton eb retaerg sgnidluom htiw ,staoc-leg tub rof erom -leg~elbixelf
than )5.2-N( tnecrep ot .tnecrep~)5,7+N( staoc eht dohtem nevig ni SI 13360 ( traP teS/S )11
: 1992 is .elbatius
3.6.1
Test Procedure
3.8 ssorC Breaking Strength
roF dellifnu sdnuopmoc a eudiser no noitingi tset
eb~yam desu as a ,lortnoc~kciuq tub htiw sdnuopmoc ehT muminim gnikaerb-ssorc htgnerts shall eb deerga
gniniatnoc treni srellif ti yam eb yrassecen ot eerga neewteb eht reilppus and eht .resahcrup A elbatius
no a erom etarobale tset .erudecorp fI a eudiser no tset is debircsed ni SI 13360 ( traP teS/S 7 ) : /6991
noitingi tset is desu ti dluohs eb deton that eht eudiser 0SI 178 : 1983.

Table 1 Tolerances

( Clause 3.5.1 )
Nominal thickness Moulding Moulding Matched
mm from open from closed metal
mould, mould, mould-
mm -mm ings, mm
otpU tub ton gnidulcni 5.1 +0.50 10.20 Ul.O*
-0.25
I 5. ot tub ton gnidulcni 3.0 io.75 io.30 to.20
0.3 ot tub ton gnidulcni 6.0 1.li 05.0* 03.Ok
6.0 ot tub ton gnidulcni 0.21 *I.5 57.oi 04.0+
0.21 ot tub ton gnidulcni 0.52 0.21 4.li 05.OT
0.52 dna evoba 31 o. 9.11 56.Ok
2
IS 14425 : 1997
3.9 Other Parameters iii) retaW ssenthgit rof .sreniatnoc
roF ralucitrap noitacilppa noitaredisnoc shall eb nevig 3.10.2 stseT rof gnol mret ,ytilibarud rehtie no etelpmoc
ot eht deen ot yficeps deerga stimil rof ~a rebmun fo sgnidluom ro etairporppa tset snemiceps yam osla eb
rehto seitreporp as :swollof deriuqer and shall eb tcejbus ot tnemeerga neewteb
eht dnaresahcrup eht .reilppus selpmaxE fo this epyt
tseT
Property Procedure fo tset :era
ytilibammalF xennA B
)i noitneteR fo thgil ;noissimsnart
elisneT htgnerts SI traP(3458 /4
)ii gnoL mret taeh ;ecnatsiser
ees 4891:)1
)iii noisarbA ;ecuatsiser
tcapmI htgnerts SI traP(O6331 ceSY )4 :
)vi ;eugitaF and
OSI/6991 3991:081
noisserpmoC htgnerts oT eb deerga )v noitneteR fo lacinahcem .seitreporp
tloB gniraeb htgnerts xennA C
4 SELECTION OF TEST SPLCIMENS AND
raehS htgnerts oT eb deerga FREQUENCYOFTEST
citsalE suludom ni dneb SI tlaP(3458 ceSW :)1 1984
using epyT 3 tset 4.1 Selection of Test Specimens
nemiceps and etar fo pirg
roF eht noitanimreted fo snoisnemid hardness and
noitarapes 5 nim/mm f 20
eudiser no ,noitingi eht tset nemiceps shall eb nekat
tnecrep
morf eht .sgnidluom
lacimehC ecnatsiser SIfoJxennA 2991:11431
lacirtcelE seitreporp SI :4282 1975 roF emos rehto ,stset ti yam eb yrassecen rof eht tset
SI 9791:%33 snemiceps ot eb nekat morf a laiceps talf ,gnidluom
SI 7%1:6844 edam morf eht emas slairetam and rednu eht emas
1791:2626SI noitacirbaf .snoitidnoc nI this esac ti is laitnesse that
SIfoGxennA 2991:11431 eht dohtem fo noitaraperp fo this tset gnidluom is
deerga ni liated neewteb eht resahcrup and eht .reilppus
taeH ecnatsiser eeS etoN
ETON ~- It si ton elbissop ot dnemmocer a elbatius tset ETON - It si eht s’reilppus ytilibisnopsec ot erusne taht
fo trohs noitarud rof eht enituor gnitset ehtfo taeh ecnatsiser eht tset gnidluom si evitatneserper ehtfo elohw .noitcudorp
fo eseht .sgnidluom It si dednemmocer taht eht lortnoc
fo siht ytreporp llahs eb desicrexe yb gniyficeps taht 4.2 Frequency of Tests
niser desu llahs eb na deerga epyt rof elpmaxe gniylpmoc
htiw epyT 1 eriF( )tnadrater fo IS .4991:6476 ehT ycneuqerf fo tset seirav rof tnereffid sgnidluom
and rof tnereffid .stset tneiciffuS sampling and gnitset
3.10 Specific Requirements shall eb deirrac tuo ot eb evitatneserper fo tcudorp

3.10.1 laicepS stset etairporppa ot cificeps snoitacilppa .ytilauq
yam eb yrassecen and shall eb tcejbus ot .tnemeerga
selpmaxE fo this epyt fo tset no eht etelpmoc gnidluom 4.3 Test Samples for Purchaser
ro ylbmessa :era
nehW detseuqer yb eht ,resahcrup tset samples shall
)i stseT no ;staobefil
eb deilppus evitatneserper fo eht elohw .noitcudorp
)ii Radar noissimsnart scitsiretcarahc fo ehT ycneuqerf fo sampling shall eb deerga neewteb
;ssenmodnar and eht resahcrup and eht .reilppus
3
IS 14425 : 1997
ANNEX A
( Clause 3.7.1 )
DETERMINATION OF CUBE OF NISER
A-l GENERAL A-2.2 Indicating Device
sihT dohtem srevoc eht noitanimreted fo noitatnedni ehT gnitacidni dial shall evah 100 ,snoisivid hcae
hardness fo htob decrofnier and decrofnier-non digir gnitneserper a htped fo 0.007 5 mm .noitartenep ehT
plastics using a locraB rosserpmI ledoM( .oN JZYG rehgih eht gnidaer eht redrah eht .lairetam
934.1 eeS( .giF 1 .)
3-A TSET SNEMICEPS
ehT locraB rosserpmi is elbatrop and erofereht elbatius 1.3-A ehT gnitset aera shall eb htooms and eerf morf
rof gnitset eht hardness fo detacirbaf parts and laudividni lacinahcem .egamad
tset snemiceps rof noitcudorp lortnoc .sesoprup
2.3-A tseT snemiceps shall eb at tsael 1.5 mm kciht
and egral hguone ot erusne a muminim ecnatsid fo
NOTE - This method is technically identical with
3 mm ni yna noitcerid morf eht rotnedni tniop ot eht
ASTM D 2583-67.
egde fo eht .nemiceps
A-2 APPARATUS
A-4 CALIBRATION
A-2.1 Indentor With eht regnulp reppu ediug dekcab tuo litnu ti just
segagne eht spring ecalp eht rosserpmi no a glass
ehT rotnedni shall tsisnoc fo a denedrah leets detacnurt
ecafrus and sserp nwod litnu eht rotartenep tniop is
enoc gnivah an elgna fo 26” htiw a talf pit 0.157 mm
decrof all eht yaw kcab otni eht rewol regnulp .ediug
ni .retemaid tI shall tif otni a wolloh eldnips and eb
ehT rotacidni shall won daer 100. fI ti seod ,ton nesool
dleh nwod yb a dedaol-gnirps .regnulp
eht kcol tun and nrut eht rewol regnulp ediug ni ro
PLUNGER UPPER GUIDE NUT
PLUNGER
SPRING

4 II
ASSEMBLY
FRAME
SCREW
COVER
SCREW
SPRING SLEEVE
POINT SLEEVE
_______________________
.GIF
1 BARCOLIM PRESSOR
4
SI 14425 : 1997
tuo ot niatbo a 100 .gnidaer ,txeN daer eht ’drah‘ REBMUN FO SGNIDAER
A-6
muinimula csid deilppus yb eht rerutcafunam fo eht
snoitacilppA fo eht locraB rosserpmi ot decrofnier
rosserpmi and, fi ,yrassecen adjust os that eht gnidaer
plastics )suoenegomoh-non( slairetam lliw ecudorp
is nihtiw eht egnar dekram no .csid-eht nehT od eht
retaerg noitairav ni hardness sgnidaer than no -non
emas htiw eht tfos .csid fI eseht sgnidaer tonnac eb
decrofnier )suoenegomoh( .slairetam sihT retaerg
,deniatbo tneuqesbus stnemerusaem era ton .dilav
noitairav yam eb desuac ylniam yb eht ecnereffid ni
5-A PROCEDURE hardness neewteb niser and rellif slairetam ni tcatnoc
htiw eht small retemaid .rotnedni erehT is less noitairav
troppuS eht tset snemiceps yb a ,drah mrif
A-5.1 ni hardness sgnidaer no redrah slairetam ni eht egnar
ecafrus fi yeht era ylekil ot dneb ro mrofed rednu eht
fo 50 locraB and rehgih and ylbaredisnoc erom noitairav
erusserp fo eht rotnedni ees( etoN .)1 ehT rotnedni
ni eht sgnidaer fo .slairetam~retfos On suoenegomoh
must eb ralucidneprep ot eht ecafrus gnieb .detset
,slairetam evif sgnidaer era dedeen ot maintain a ecnairav
psarG eht rosserpmi ylmrif neewteb gel and tniop eveels
fo egareva fo 0.28 at a locraB-06 ,gnidaer rof eht emas
and tes htob no eht ecafrus ot eb .detset roF small
ecnairav fo egareva at 30 ,locraB thgie sgnidaer era
snemiceps this yam eriuqer eht rosserpmi gel ot eb
.dedeen On decrofnier plastics, ni redro ot maintain
demmihs yb eht ssenkciht fo eht .nemiceps ylkciuQ
a -ecnairav egareva-fo 87.0fo 06-ta ,locraB net sgnidaer
ybylppa hand tneiciffus ecrof 05( N ot 70 )N no eht
era ;dedeen and 29 sgnidaer era dedeen rof eht emas
gnisuoh ot erusne mrif tcatnoc htiw eht tset nemiceps
ecnairav at eht 30 locraB level ees( elbaT .)2
and drocer eht tsehgih dial gnidaer ees( etoN .)2 ekaT
erac ot diova sliding ro gnipparcs elihw eht rotnedni 7-A TROPER
is ni tcatnoc htiw eht ecafrus gnieb .detset
ehT troper shall edulcni eht :gniwollof
NOTES
4 noitacifitnedI fo lairetam ;detset
1 devruC secafrus yam eb erom tluciffid ot .troppus nehW
eht daol si ,deilppa gnidneb dna gnirps noitca ni eht b) gninoitidnoC fo ;nemiceps
snemiceps dluohs eb .dediova
)6 ledoM rebmun fo ;rosserpmI
2 tfirD ni sgnidaer morf eht mumixam yam rucco ni 4 rebmuN fo sgnidaer ;nekat
emos .slairetam esehT nac eb raenil-non htiw .emit
4 egarevA fo hardness seulav dednuor ffo ot
2.5-A snoisserpmI shall ton eb edam nihtiw 3 mm fo eht tseraen elohw elacs ;gnidaer and
eht egde fo eht nemiceps ro fo rehto .snoisserpmi 4 etaD fo .tset
2
Table Recommended Sample Siis To Equalii The Valiance-of-the-Average
( Clause 6-A )
Hardness Reading Coefficient Variance Minimum
Scale Variance of Variation of Average No. of Readings
tnecrep
.A suoenegomoH slairetaM
20 2.47 0.26 0.27 9
30 2.20 D.17 0.28 8
40 1.93 0.13 0.27 7
50 I .66 0.11 0.28 6
60 1.39 0.09 0.28 5
70 1.12 0.08 0.28 4
80 0.85 ~0.07 0.28 3
.B suoenegomoH-noN slairetaM decrofnieR( )scitsalP
30 22.4 2.9 0.77 29
40 17.2 2.2 0.78 22
50 12.0 1.7 0.75 I6
60 7.8 1.5 0.78 IO
70 3.6 I .2 0.75 5
5