菲亚特标准50440

2024年3月10日发(作者：蔚来电动车价格及图片)

normazione

MASSDETERMINATION

Fabrics,waterprooffabrics,leather,

imitationleathersandvinylsheets

MATERIAL

STANDARD

50440

1/2

Page:

Date:

05/18/2005

MANAGERDepartment:E.D.--IngegneriadeiMateriali

PURPOSE

Tospecifythetestprocedureforthedeterminationofthemass(weight)offabrics,waterproof

fabrics,tationleatherandvinylsheets.

ThisStandardconsistsof

2pages.

ChangeDate

Description

------

A

May,1991

05/18/05

Edition3---Revisedandre---edited.

§2changed.(FD)

(OR)

ANYPRINTEDCOPYISTOBEDEEMEDASUNCHECKED;THEREFORETHEUPDATEDCOPYMUSTBECHECKEDINTHEAPPROPRIATEWEBSITE

PUBLISHEDBYSATIZS.p.A.---NORMAZIONE

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SUPERVISORDepartment:E.D.--IngegneriadeiMateriali

-

-

-

50440

1

PURPOSE

Page

2

Change

Todeterminethemassweightoffabrics,waterprooffabrics,leathers,imitationleathersandvinyl

sheets.

2

TESTMETHOD

Themass,expresseding/m

2

,isdeterminedat20±2?Croomtemperaturebyusingananalytical

balancewithaccuracyof0.1g,and3squareorroundtestspecimens(areaofeach:100±0.5

cm

2

)cutfromtheimitationleatherorvinylsheetorfabricundertest,asperarrangementshown

infigureandconditionedatthesametesttemperaturefor72hours.

5

c

m

2

2.1

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Asregardsthewaterprooffabrics,andKspecifiedintherelevantprocurementSpecification,the

lossofmassistobedeterminedaftera2---himmersionofatestspecimeninwateratroomtem-

peratureandsubsequentdryinginstillairatroomtemperature.

3

EXPRESSIONOFRESULTS

Themassisdeterminedasfollows:

P=

P=Massing/m

2

.

P

1

?100

3

where:

P1=Sumofthemassesofthethreespecimens.

Thelossofmassisexpressedasapercentageoftheoriginalmass.

PUBLISHEDBYSATIZS.p.A.---NORMAZIONE

5

c

m

2

100±0.5cm

2

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