Значение и использование

Upon mutual agreement between the purchaser and the supplier, woven or knitted products intended for this end use should meet all of the requirements listed in Table 1 of this specification for terry products and Table 2 for non terry products.

It is recognized that for purposes of fashion or aesthetics the ultimate consumer of articles made from these fabrics may find acceptable products that do not conform to all of the requirements in Table 1 or Table 2. Therefore, one or more of the requirements listed in Table 1 or Table 2 may be modified by mutual agreement between the purchaser and the seller.

In such cases, any references to the specification shall specify that: This product meets ASTM Specification 63-707 except for the following characteristic(s).

Where no prepurchase agreement has been reached between the purchaser and the supplier, and in case of controversy, the requirements listed in Table 1 or Table 2 are intended to be used as a guide only. As noted in 5.2, ultimate consumer demands dictate varying performance parameters for any particular style.

The significance and use of particular properties and test methods are discussed in the appropriate sections of the specified test methods.

Область применения

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 SheetsSection 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 4^B minGrade 4^B min Grade 4^B min StainingGrade 3^C min Grade 3^C min Grade 3^C min Crocking:7.1.6.2 DryGrade 4^D min Grade 4^D min Grade 4^D min WetGrade 3^D minGrade 3^D min Grade 3^D min Light (20 AATCC AFU)Grade 4^B minGrade 4^B min Grade 4^B 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 4^B min Grade 4^B min StainingGrade 3^C min Grade 3^C min Crocking:7.1.6.2 DryGrade 4^D min Grade 4^D min WetGrade 3^D min Grade 3^D min Light (20 AATCC FU)Step 4^B min Step 4^B 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.