• ASTM D5431-08(2013)

ASTM D5431-08(2013)

Standard Performance Specification for Woven and Knitted Sheeting Products for Institutional and Household Use

ASTM International , 10/01/2013

Publisher: ASTM

File Format: PDF

$26.00$52.00


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.

TABLE 1 Specification Requirements

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

222 N (50 lbf) min

7.1.2

Tear Resistance, ElmendorfA

7.1.3

Each Direction

7 N (1.5 lbf) min

7 N (1.5 lbf) min

7 N (1.5 lbf) min

Pilling

4.0

NA

NA

4.0

7.1.4

Dimensional Change:

7.1.5

Durable Press (In Each Direction)

5 % max

5 % max

3.5 % max

4 % max

Nondurable Press (Nonpreshrunk)

Length

8 % max

8 % max

8 % max

Width

6 % max

6 % max

6 % max

Preshrunk (In Each Direction)

2 % max

3 % max

3.5 % max

Laundered Appearance

Acceptable

Acceptable

Acceptable

Acceptable

7.2.1

Fabric Appearance

SA 3.0 min

SA 2.2 minB

NA

SA 3.0 min

7.1.6

Bow and Skewness

3 % max

3 % max

3 % max

3 % max

7.1.7

Colorfastness To:C

Laundering:

7.1.8.1

Alteration in Shade

Class 4 minD

Class 4 minD

Class 4 minD

Class 4 minD

Staining

Class 3 minE

Class 3 minE

Class 3 minE

Class 3 minE

Crocking:

7.1.8.2

Dry

Class 4 minF

Class 4 minF

Class 4 minF

Class 4 minF

Wet

Class 3 minF

Class 3 minF

Class 3 minF

Class 3 minF

Light (20 AATCC FU),

7.1.8.3

Xenon-ArcE

Step 4 minD

Step 4 minD

Step 4 minD

Step 4 minD

Perspiration

7.1.8.4

Alteration In Shade

Class 4 minD

Class 4 minD

Class 4 minD

Class 4 minD

Staining

Class 3 minE

Class 3 minE

Class 3 minE

Class 3 minE

Flammability

Class I

Class I

Class I

Class I

7.1.9

AThere is more than one standard method that can be used to measure breaking force, bursting force, tear resistance, and lightfastness. These methods cannot be used interchangeably since there may be no overall correlation between them. See Notes 2-5 and Note 8.
BRecommended requirement for Easy Care Products which must be ironed.
CClass in colorfastness and 5A rating is based on a numerical scale of 5.0 for negligible color change, color transfer, or wrinkling to 1.0 for very severe color change, color transfer or wrinkling. The numerical rating in Table 1 or higher is acceptable.
DAATCC Gray Scale for Color Change.
EAATCC Gray Scale for Staining.
FAATCC Chromatic Transference Scale.

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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