Tiêu chuẩn iso 03810 1987 (1992) scan

Printe in Sw itz r lan... Flom ti es of agglomer ated cor k - Methods of test tie : per pe dic lar ity.2 c ntr ole... 6.7 Resista ce to b ing hydrochloric acid t he tie.

INTERNATIONAL STANDARD

repr i te

19 2-07-0 1

Ref er en e n mber

ISO 3 10: 19 7 (E)

ISO (h Internatio al Or ganizatio f or Stan ardizatio ) is a w or l w id f ed r atio of

Cork

Printe in Sw itz r lan

Flom ti es of agglomer ated cor k - Methods of test

tie :

per pe dic lar ity.2)

c ntr ole

h a d

1) At pr es nt at t he Stag of dr af t (Re isio of ISO 3 13-197 )

2) At pr es nt at t he Stag of dr af t

6 Method of test

4 45 N for IO min Rea d t he thickne s (d ) of t he te t pie e a t

t he Point w here t he in e tor w as a ple Remov e t he load a nd

alow t he te t pie e to re ov er f or 1 h At t he e d of his pe o ,

re-aply t he in e tor u d r a load of 8 ,9 N f or 15 s a nd read

t he thickne s (d,) of t he pie e at th Point w her e t he tie has

in ISO 9 6

T he initial in e tatio

of eac te t pie e is giv en,

as a per ce -

dl - d2

d

in ISO 9 6

T he

ta ge

re id ual

f

by th

in e tatio

formula

of eac pie e is giv en, as a per ce -

dl - d3

d

Calc late t he initial a nd re id ual in e tatio s as t he av erag

n ,

of

tie

Deter min th w idth a nd t he thickne s of t he te t pie e, folow -

f or te a t w hic r upture o c r s

T he te sie str en

bY t :h for mula

gt h of t he te t pie e is giv en, in

F

bxd

w her e

F is t he f or te a t

r ou d d of f to t he n

ear est 1 N;

in n w to s,

b

is t he w idth of h

to

meas r i g

thickne s of t he tie

of f t o th n ar est 1 m

te t pie e, in mi mete ,

r ou d d

Re or d th

te sie str en th of ea ch te t pie e,

t he n a r est

rou

d d of f to

aP lY

t he in d nt or t o th c ntr e u d r a load of 8 ,9 N f or 15

s a nd

2

6.7 Resista ce to b ing hydrochloric acid

t he tie

Fit to et her th dif f er ent Pars of th d v ic

t he r eflu c n e s r to a flow of w ate

(4 L

6.7.3

or

NOT E

-

A spe ir ne is said to disinte r ate if it Splts

Sh w s

s bstantial lo s of p

ope an /or if it

Ia

giv en, as a per ce tag

bY

x 10

a)

r ef er en e to this Inter natio al Stan ard;

Sample;

mg

t he

grams,

of t he cru ible, rou d d

Of f to

Cl

m1

te t pie e, rou d d of f t o t he n ar est 1 mg;

w ith t he d e

e) al d tais of pr oc d r e n t spe if ie in this Inter natio al

fl

Expre s t he r es lt to t he n ar est 0, %

1)

T his p ge intentionaly lef blank

UD 6 4.8 : 6 2.5 5.5 : 6 0.1

Desc r iptor s : c rk, ag lomer ate , flo r c v er i g , flor sla bs, tests