Tiêu chuẩn iso 03340 1976 scan

Fibr e bui ding boar ds - Deter mination of sand content 7.4 7.5 Clasifica tio.

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U.S.S.R

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German

Printed in S itzerlan

Fibr e bui ding boar ds - Deter mination of sand content

7.4

7.5

Clasifica tio

7.9

_ _ _ -.-

1) In pr epr ation

9 P OCED RE

a nd ig ite

f or 10 min in t he d sicator a nd w eig

difer by mor ‘e than 0,l % of the ma ss of the test piece

of th boa r d, is giv en by t he for mula

x 10

m0

w her e

1731

m2

boar ds;

r eslts of two s c esiv e weig in o er ation , car r ied out at an inter val of 2 h, do not

2

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I

I

I

I

I

I

I

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1

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l

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A cid-r esistant stel tub

Slots for gr ate wir es

Spte for evaor atin

g dis

A c id-r esistant c ov er

Gr a te _ of thi n stainles

i-

stel wir e,

3

T his p ge intentionaly lef blank