IS 13360-3-7: Plastics - Methods of testing, Part 3: Physical and dimensional properties, Section 7: Liquid resins - Determination of density by the pyknometer method

8 Pages·1999·1 MB·English

by  Bureau of Indian Standards

इंटरनेट मानक
Disclosure to Promote the Right To Information
Whereas the Parliament of India has set out to provide a practical regime of right to
information for citizens to secure access to information under the control of public authorities,
in order to promote transparency and accountability in the working of every public authority,
and whereas the attached publication of the Bureau of Indian Standards is of particular interest
to the public, particularly disadvantaged communities and those engaged in the pursuit of
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 13360-3-7 (1999): Plastics - Methods of testing, Part 3:
Physical and dimensional properties, Section 7: Liquid
resins - Determination of density by the pyknometer method
[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”

-_
IS 13360 (Part 3/Set 7) : 1999
IS0 1675 : 1965

Indian Standard
SCITSALP - METHODS FO GNITSET
PART 3 PHYSICAL AND DIMENSIONAL PROPERTIES
Section 7 Liquid Resins - Determination of Density by the Pyknometer Method
ICS 83.080; 17.060

0 SIB 1999
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002

February 1999 Price Group 1
sdohteM of tseT for scitsalP lanoitceS ,eettimmoC PCD 32
LANOITAN FOREWORD
sihT naidnI dradnatS ( traP teS/3 7 ) hcihw si lacitnedi htiw 0SI 5761 : 5891 diuqiL‘ -sniser
noitanimreteD of ytisned yb eht retemonkyP dohtem ‘ deussi yb eht lanoitanretnI noitazinagrO for
noitazidradnatS ( 0SI ) saw detpoda yb eht uaeruB of naidnI sdradnatS no eht noitadnemmocer of
sdohteM of tseT for scitsalP lanoitceS eettimmoC dna lavorppa of eht ,muelorteP laoC dna detaleR
stcudorP noisiviD .licnuoC
ehT txet of 0SI dradnats sah neeb devorppa sa elbatius for noitacilbup sa naidnI dradnatS tuohtiw
.snoitaived niatreC snoitnevnoc ,era ,revewoh ton lacitnedi ot esoht desu ni naidnI .sdradnatS
noitnettA si ylralucitrap nward ot eht :gniwollof
)a reverehW eht sdrow lanoitanretnI‘ ’dradnatS raeppa gnirrefer ot siht ,dradnats yeht dluohs eb
daer sa naidnI‘ .’dradnatS
)b Comma J( sah neeb desu sa a lamiced rekram elihw ni naidnI ,sdradnatS eht tnerruc ecitcarp
si ot esu a tniop ).( sa eht lamiced .rekram
nI gnitroper eht stluser of a tset ro sisylana edam ni ecnadrocca htiw siht ,dradnats if eht final ,eulav
devresbo ro ,detaluclac si ot eb dednuor off, ti llahs eb enod ni ecnadrocca htiw SI 2 : 0691 seluR‘ for
gnidnuor off laciremun seulav ( .‘)desiver

a
IS 13360 ( Part 3/Set 7 ) : 1999
IS0 1675: 1985
Indian Siandard
SCITSALP - METHODS FO GNITSET
PART 3 PHYSICAL AND DIMENSIONAL PROPERTIES
Section 7 Liquid Resins - Determination of Density by the Pyknometer Method
1 Scope and field of application 4.2 Funnel, whose stem, the internal diameter of which shall
be as large as possible, penetrates into the pyknometer exactly
This International Standard specifies a method for the deter- down to the level of the graduation mark.
mination of the density of liquid resins using a pyknometer.
4.3 Balance, accurate to 0,2 mg.
2 Definition
4.4 Water-bath, capable of being maintained at
23f 0.1 CC.
density; mass density : Mass divided by volume. (Definition
taken from IS0 31/3.)
4.5 Fine filter paper.
It may be expressed in grams per millilitre (g/ml).*
4.6 Transparent conical flask, with wide neck (for example
Erlenmeyer), stoppered, of capacity 200 to 600 ml.
3 Principle
Determination of the mass at 23 ‘X of resin contained in a 5 Procedure
pyknometer of known volume.
5.1 Preparation of resin
NOTE - This method is easily applicable to low and medium viscosity
resins. Difficulties in the procedure exist for high v i scosity resins. Place at least 160 g of resin in the conical flask (4.6) and inspect
the contents of the flask for bubbles. If any bubbles are ob-

served, allow the stoppered flask to stand long enough for all
4 Apparatus the bubbles to dissipate before or while bringing the flask and
its contents to 23 f 0,l “C by immersion in the water bath
(4.4).
4.1 Pyknometer, consisting of a precision graduated flask.
The height of the neck above the graduation mark shall not ex-
NOTE - To accelerate the release of bubbles, especially any adjacent
ceed 60 mm.
to the walls of the flask, disturb or detach them using a fine wire in-
serted through the neck of the flask.
The graduated volume of the pyknometer at 23 f 0.1 OC,
measured by weighing the mass of distilled water contained in
5.2 Measurement of density
the pyknometer at this temperature, shall be known to within 1
part in 10 000 (see note to clause 6).
Weigh the empty pyknometer (4.1) to the nearest 0.2 mg.
The pyknometers normally used have the characteristics given
Place the pyknometer in the water-bath (4.4) and fill the
in the following table.
pyknometer with resin using the funnel (4.2).
The following points require close attention :
Internal diameter
Volume of flesk. V of neck. d a) bubbles shall not be present in the resin in the
pyknometer; if bubbles form, wait for them to disappear, if
ml mm
necessary rubbing the walls of the pyknometer with a fine
loo f 0.1 13 f 1
metal wire, or, better still, empty the pyknometer, clean it
50 f 0.05 11 f 1 a nd refill;
l 1 g/ml = 1000 kg/m3
IS 13360( Part3/Sec 7):lQQQ
IS0 1675:1985
b) fill the pyknometer exactly to the graduation mark; V is the volume, in millilitres, of the pyknometer at 23 OC.
cl remove the funnel without letting its stem touch the Give the result to three places of decimals.
neck of the pyknometer.
NOTE - To check or determine the volume of the pyknometer at
Wait at least 30 min and check that the level in the pyknometer 23 T using distilled water, use the equation
remains at the graduation mark. If necessary, add a few more
drops of resin or remove excess resin by means of fine filter v=__=m_ 2 - m0 m2 - m0
paper (4.51, which may be wound around a glass rod. Se - Qs 0,996 4
Weigh the filled pyknometer to the nearest 0,2 mg. where
m2 is the apparent mass, in grams, of the pyknometer filled with
distilled water at 23 T;
6 Expression of results
Q@ is the density of distilled water at 23 “C
The density at 23 OC, QD expressed in grams per millilitre, is = 0,997 6 g/ml.
given by the equation
7 Test report
mt - “0
823 = + Qa
V
The test report shall contain the following information :
where a) a reference to this International Standard:
ml is the apparent mass, in grams, of the filled b) complete identification of the material tested;
pyknometer at 23 OC;
cl the density at 23 OC, Q~ expressed in grams per
m. is the apparent mass, in grams, of the empty millilitre;
pyknometer at 23 OC;
d) details of procedure not specified in this International
Qa is the density of air at 23 OC = 0,001 2 g/ml fair Standard and any incidents likely to have influenced the
buoyancy correction); results.

2
Bureau of Indian Standards
SIB is a yrotutats noitutitsni dehsilbatse rednu eht ot etomorp suoinomrah
Bureau ofIndian StandardvAc& 1986
tnempoleved fo eht seitivitca fo ,noitazidradnats gnikram and ytilauq noitacifitrec fo sdoog and gnidnetta ot
detcennoc srettam ni eht .yrtnuoc
Copyright
SIB has eht thgirypoc fo all its .snoitacilbup oN trap fo eseht snoitacilbup yam eb decudorper ni yna mrof tuohtiw
eht roirp noissimrep ni gnitirw fo .SIB sihT seod ton edulcerp eht eerf ,esu ni eht esruoc fo gnitnemelpmi eht
standard, fo yrassecen ,sliated hcus as slobmys and ,sezis epyt ro edarg .snoitangised seiriuqnE gnitaler ot
thgirypoc eb desserdda ot eht rotceriD ,)snoitacilbuP( .SIB
8
Review of Indian Standards
stnemdnemA era issued ot standards as eht deen sesira no eht basis fo .stnemmoc Standards era osla deweiver
;yllacidoirep a standard gnola htiw stnemdnema is demriffaer nehw hcus weiver setacidni that on segnahc era
;dedeen fi eht weiver setacidni that segnahc era ,dedeen ti is nekat up rof .noisiver sresU fo naidnI Standards
dluohs niatrecsa that yeht era ni noissessop fo eht tsetal stnemdnema ro noitide yb gnirrefer ot eht tsetal issue
fo SIB‘ ’koobdnaH and sdradnatS‘ : ylhtnoM .’snoitiddA
sihT naidnI dradnatS has neeb depoleved morf toD : .oN PCD 23 ( 1568 .)
Amendments Issued Since Publication
dnemA .oN etaD fo eussI txeT detceffA
BUREAU OF INDIAN STANDARDS
:sretrauqdaeH
Manak ,navahB 9 rudahaB Shah rafaZ Marg, weN ihleD 110002 :smargeleT Manaksanstha
senohpeleT : 323 01 31, 323 94 02, 323 33 75 ( nommoC ot
all seciffo )
lanoigeR :seciffO enohpeleT
lartneC : Manak ,navahB 9 rudahaB Shah rafaZ Marg I 323 76 17
WEN IHLED 110002 323 i483
nretsaE : 41/l C. .I .T emehcS IIV M, V. .I .P ,daoR alotkinaM I 337 84 99, 337 85 61
ATTUCLAC 700054 337 86 26, 337 86 62
nrehtroN : SC0 ,633-533 rotceS .A-43 HRAGIDNAHC 160022 I 60 38 43
60 20 25
nrehtuoS : C. .I .T Campus, VI ssorC ,daoR IANNEHC 600113 I 235 02 16,235 04 42
235 15 19,235 23 15
nretseW : ,ayalakanaM 9E MIDC, ,loraM irehdnA )tsaE( 8329295,8327858
MUMBAI 400093 2987238,198/’238
sehcnarB : .DABADAMHA .EROLAGNAB .LAPOHB .RAWHSENABUHB
.EROTABMIOC .DABADIRAF .DABAIZAHG .ITAHAWUG .DABAREDYH JAIPUR.
.RUPNAK .WONKCUL .RUPGAN .ANTAP .ENUP .MARUPAHTNANAVURIHT

detnirP at New mdnl gnitnirP Press, Khurja, aidnI
b