1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-21401-2 SANS 11108:2008Edition 3SOUTH AFRICAN NATIONAL STANDARD Washing pretreatment of textile fabrics Published by SABS Standards Divisi
4、on 1 Dr Lategan Road Groenkloof Private Bag X191 Pretoria 0001 Tel: +27 12 428 7911 Fax: +27 12 344 1568 www.sabs.co.za SABS SANS 11108:2008 Edition 3 Table of changes Change No. Date Scope Foreword This South African standard was approved by National Committee SABS SC 38E, Textile test methods Dime
5、nsional stability Pentax Co., Pawtucket, RI; Prosperity Co., Syracuse, NY; U.S. Testing Co., Hoboken, NJ. This information is given for the convenience of the user of this standard and does not constitute an endorsement by SABS Standards Division of the suppliers named. 2) Supplied by James H. Heal
6、& Co. Ltd, Halifax, England, (http:/www.james-heal.co.uk) and commercially available from their South African agent, Dutest Agencies, PO Box 84, Milnerton, 7435 Western Cape. Tel: +27 21 552 5665 E-Mail: dutesticon.co.za . SANS 11108:2008 Edition 3 2 Table 1 Composition of the standard detergent 1 2
7、 Composition Mass fraction % Linear sodium alkyl benzene sulfonate (mean length of alkane chain: C11,5) 8,0 0,02 Ethoxylated tallow alcohol (14EO) 2,9 0,02 Sodium soap (chain length: C12-22) 3,5 0,Sodium tripolyphosphate 43,7 0,02 Sodium silicate (SiO2/Na2O = 3,3:1) 7,5 0,02 Magnesium silicate 1,9 0
8、,02 Carboxymethylcellulose (CMC) 1,2 0,02 Ethylenediaminetetra acetic acid (EDTA), tetrasodium salt 0,2 0,02 Sodium sulphate 21,2 0,02 Moisture 9,9 0,02 100,00 3 Preparation of test specimens 3.1 Ensure that each test specimen is of a suitable size for the subsequent tests, but does not exceed 0,1 m
9、2in area, or 30 g in mass. 3.2 Ensure, by inspection and appropriate finishing, that the raw edges of each test specimen are suitably finished to prevent fraying during the pretreatment. 4 Procedure 4.1 Procedure A 4.1.1 Washing 4.1.1.1 Place a test specimen (or several specimens of the same fabric,
10、 provided their combined mass does not exceed 30 g), in a container and add 250 mL of washing solution that has been preheated to 60 C 2 C. 4.1.1.2 Securely close the container and operate the washing device (preheated and maintained at a temperature of 60 C 2 C), agitating the test specimen(s) for
11、30 min. 4.1.2 Rinsing 4.1.2.1 Remove the test specimen(s) from the container, rinse in distilled water at room temperature and then rinse thoroughly in running tap water until all traces of washing solution have been removed. 4.1.2.2 Squeeze the test specimen(s) to remove excess moisture. 4.1.3 Dryi
12、ng Suspend the test specimen(s) freely in air at a temperature not exceeding 60 C 2 C , until dry. SANS 11108:2008 Edition 3 3 4.1.4 Pressing Transfer the test specimen(s) to the bed of the press, smooth out (by hand) any wrinkles without stretching or distorting the test specimen(s) and operate the press until all wrinkles and creases have been removed. 4.2 Procedure B Proceed as in 4.1 (procedure A) above but heat the washing solution to 50 C 2 C, maintain the temperature in the washing device at that temperature and agitate the test specimen(s) for 45 min. SABS
