AATCC Test Method 158-2005 尺寸变化对四氯乙烯干洗机机方法(英文版).pdf

AATCC Test Method 158-2005
Dimensional Changes on Drycleaning in Perchloroethylene
Machine Method
Developed in 1978 by AATCC Commi!- mine the amount of progressive and an impervious apron when handling
tee RA43; editorially revised and reaf- dimensional change, the method may be perchloroethylene
firmed 1979, 1985, 1995; editorially repeated a specified number of times
4.4 An eyewash/safety shower should
revised 1986, 1991, 1993, 2004; real- normally not exceeding five cycles
be located nearby and an organic vapor
firmed 1990 2000, 2005. Partly eguiv
respirator should be readily available for
alent to S0 3175
2. Principle
emergencv use
4.5 The drycleaning apparatus should
2. I Conditioned fabrics or garments
be ventilated to the outside atmosphere in
Foreword
are marked and measured, then subjected accordance with the manu facturers in
a drycleaning procedure, followed by structions
Drycleaning, a process for cleaning
textiles in an organic solvent, dissolves are afterwards conditioned and measured
4.6 Exposure to chemicals used in this
procedure must be controlled al or below
oils and fats and disperses particulate dirt The dimensional change is expressed as a levels set by governmental authorities
substantially without the swelling and percentage of the original dimensions
Occupational Safety and Heal
creasing associated with washing or wet
Administration's OSHA permissible
exposure limits PEL] as found in 29
vent to obtain better soil and stain re
3. I dimensional change, n. a ge-
CFR 1910.1000 of January 1, 1989). In
addition, the American Conference of
moval. Some moisture-sensitive articles neric term for variation in length or width
are preferably drycleaned withoul the ad
overnmental Industrial Hygienists
dition of water to the solvent but a surfac
of a garment or fabric specimen subjected (ACGIH)Threshold Limit Values(TLVS
to specified conditions
tant can be used in order to assist soil re-
2 drycleaning, n. the cleaning o
comprised of time weighted averages
moval and prevent graying. Different fabrics with organic solvents such as pe-
(TLV-TWA), short term exposure limits
solvents can be used for drycleaning, of
troleum solvent, perchloroethylene or
LV-STEL)and ceiling limits(TLV-C
hich perchloroethylene (telrachloroeth- fluorocarbon
are recommended as a general guide for
rene)is the most common in man
air contaminant exposure which should
NOTE: The process also includes add
countries. For this reason, the present ing detergent and moisture to the solvent
be mel( see 13.5
method prescribes the use ofperchloroeth-
up to 75% RH, and hot tumble drying to
ylene. Drycleaning is normally followed 71C(160 F)
5. Reag
by an appropriate restorative finishin
5.1 Perchloroethylene (commercial)
procedure. In most cases, this comprises 4. Safety Precautions
Cclh= Ccl2, drycleaning grade
some form of sleam treatment and/or hol
5.2 Sorbitan mono-oleate (a typical
pressing. Dimensional change on dry
NOTE: These safety precautions are
chemical is Span 80)
cleaning and steaming and/or pressing
on purposes only. The pr
progressive, and in some cases a single cautions are ancillary to the testing proce-