Norm

ASTM D5433-12

Standard Performance Specification for Towel Products for Institutional and Household Use

48,24

Over deze norm

Status Definitief
Aantal pagina's 4
Commissie D13.63
Gepubliceerd op 01-06-2012
Taal Engels

1.1 This specification covers the evaluation of specific performance characteristics of importance in woven and knitted kitchen towel, dishcloth, crash towel, huck towel, washcloth, hand towel, bath towel, and bath sheet products for use in institutional and household environments.

1.2 This specification may be used by mutual agreement between the purchaser and the supplier to establish purchasing specification requirements.

1.3 The requirements in Tables 1 and 2 apply to the length and width directions for those properties where fabric direction is pertinent.

1.4 This specification is not applicable for coated and laminated products, nonwoven products, or terry fabrics used for apparel.

1.5 This standard does not purport to address all of the safety problems, 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.

TABLE 1 Woven or Knitted Terry Fabric Specification Requirements

Terry Requirements
Kitchen
Towels
DishclothsBath, Hand, Washcloths,
Bath Sheets
Section
Breaking Strength (CRE)7.1
Length178 N (40 lbf) min220 N (50 lbf) min 178 N (40 lbf) min
Width133 N (30 lbf) min178 N (40 lbf) min 133 N (30 lbf) min
Bursting Strength (knits only)
Diaphragm222 N (50 lbf) min222 N (50 lbf) min 222 N (50 lbf) min7.1.3
Dimensional Change:7.1.4
Length10 % max10 % max 10 % max
Width5 % max5 % max 4 % max
Skew5 % max5 % max 5 % max7.1.5
Colorfastness:A
Laundering:7.1.6.1
Shade ChangeGrade 4B minGrade 4B min Grade 4B min
StainingGrade 3C min Grade 3C min Grade 3C min
Crocking:7.1.6.2
DryGrade 4D min Grade 4D min Grade 4D min
WetGrade 3D minGrade 3D min Grade 3D min
Light (20 AATCC AFU)Grade 4B minGrade 4B min Grade 4B min7.1.6.3
AbsorbencyPassPass Pass7.1.7
Laundered AppearanceAcceptableAcceptable Acceptable7.2.1

A Class for color change and color transfer is based on a numerical scale of 5 for negligible or no color change or color transfer to 1 for severe color change or color transfer. The numerical rating in Table 1 or higher is acceptable.

B AATCC Gray Scale for Color Change.

C AATCC Gray Scale for Staining.

D AATCC 9-Step Chromatic Transference Scale.

TABLE 2 Non Terry Fabric Requirements

DishclothsHuck & Crash Towels Section
Breaking Strength (CRE)7.1
Length220 N (50 lbf) min 178 N (40 lbf) min
Width178 N (40 lbf) min 133 N (30 lbf) min
Bursting Strength (knits only)
Diaphragm222 N (50 lbf) min 222 N (50 lbf) min7.1.3
Dimensional Change: 7.1.4
Length10 % max 10 % max
Width5 % max 5 % max
Skew5 % Acceptable 5 % Acceptable7.1.5
Colorfastness:A
Laundering:7.1.6.1
Shade ChangeGrade 4B min Grade 4B min
StainingGrade 3C min Grade 3C min
Crocking:7.1.6.2
DryGrade 4D min Grade 4D min
WetGrade 3D min Grade 3D min
Light (20 AATCC FU)Step 4B min Step 4B min7.1.6.3
AbsorbencyPass Pass7.1.7
Laundered AppearanceAcceptable Acceptable7.2.1

A Class for color change and color transfer is based on a numerical scale of 5 for negligible or no color change or color transfer to 1 for severe color change or color transfer. The numerical rating in Table 1 or higher is acceptable.

B AATCC Gray Scale for Color Change.

C AATCC Gray Scale for Staining.

D AATCC 9-Step Chromatic Transference Scale.

Details

ICS-code 97.160
Nederlandse titel Standard Performance Specification for Towel Products for Institutional and Household Use
Engelse titel Standard Performance Specification for Towel Products for Institutional and Household Use

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