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ASTM International , 10/01/2013
Publisher: ASTM
File Format: PDF
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1.1This specification covers the evaluation of specific performance characteristics of importance in woven and knit flat, fitted, and waterbed sheet products for use in institutional and household environments.
1.2This specification may be used by mutual agreement between the purchaser and the supplier to establish purchasing specification requirements.
1.3The requirements in Table 1 apply to the length and width directions for those properties where fabric direction is pertinent.
Characteristics
Requirements
Woven
Non-flannel
Flannel
Knitted
Section
Polyester/Cotton
100 % Cotton
Flannel/Non-flannel
Breaking Force
7.1
CRT Method Each DirectionA
222 N (50 lbf) min
178 N (40 lbf) min
156 N (35 lbf) min
Bursting ForceA
7.1.2
Tear Resistance, ElmendorfA
7.1.3
Each Direction
7 N (1.5 lbf) min
Pilling
4.0
NA
7.1.4
Dimensional Change:
7.1.5
Durable Press (In Each Direction)
5 % max
3.5 % max
4 % max
Nondurable Press (Nonpreshrunk)
Length
8 % max
Width
6 % max
Preshrunk (In Each Direction)
2 % max
3 % max
Laundered Appearance
Acceptable
7.2.1
Fabric Appearance
SA 3.0 min
SA 2.2 minB
7.1.6
Bow and Skewness
7.1.7
Colorfastness To:C
Laundering:
7.1.8.1
Alteration in Shade
Class 4 minD
Staining
Class 3 minE
Crocking:
7.1.8.2
Dry
Class 4 minF
Wet
Class 3 minF
Light (20 AATCC FU),
7.1.8.3
Xenon-ArcE
Step 4 minD
Perspiration
7.1.8.4
Alteration In Shade
Flammability
Class I
7.1.9
1.4This specification is not applicable to woven and knit products used for sheet blankets or to woven and knitted sheet products used for apparel.
1.5This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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