BS 1771-2-1990 Fabrics for uniforms and workwear - Specification for fabrics from cellulosic fibres synthetic fibres and blends《制服和工作服用织物 第2部分 用纤维素纤维、人造纤维与混合物制造的织物规范》.pdf

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1、BRITISH STANDARD BS1771-2: 1990 Fabrics for uniforms and workwear Part2: Specification for fabrics from cellulosic fibres, synthetic fibres and blendsBS1771-2:1990 This British Standard, having been prepared under the direction of the Textiles and Clothing Standards Policy Committee, was published u

2、nder the authority of the Board of BSI and comes into effect on 31 December1990 BSI 08-1999 First published as BS1771 July1951 First combined revision with BS2551 March 1961 First published as BS1771-2 October 1984 Second edition December1990 The following BSI references relate to the work on this s

3、tandard: Committee reference TCM/18 Draft for comment89/38542DC ISBN 0 580 19174 5 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Textiles and Clothing Standards Policy Committee (TCM/-) to Technical Committee TCM/18, upon which the fol

4、lowing bodies were represented: Assistant Masters and Mistresses Association British Clothing Industry Association British Railways Board British Textile Technology Group Chartered Institute of Marketing Confederation of British Wool Textiles Limited Department of Health Home Office International Wo

5、ol Secretariat Local Authority Organizations London Regional Transport Mail Order Traders Association Man-made Fibres Producers Committee Ministry of Defence National Association of Head Teachers National Childrens Wear Association Textile Finishers Association Amendments issued since publication Am

6、d. No. Date CommentsBS1771-2:1990 BSI 08-1999 i Contents Page Committees responsible Inside front cover Foreword ii 1 Scope 1 2 Definitions 1 3 Fabric references 1 4 Fabric performance 1 5 Colour fastness 1 6 Sampling, testing and compliance 1 7 Marking 3 Appendix A Information to be provided by the

7、 purchaser 4 Table 1 Woven fabrics (performance) 2 Table 2 Knitted fabrics (performance) 2 Table 3 Colour fastness for100% cellulosic fabrics (minimum ratings) 3 Table 4 Colour fastness for synthetic fibre containing fabrics (minimum ratings) 3 Publication(s) referred to Inside back coverBS1771-2:19

8、90 ii BSI 08-1999 Foreword This Part of BS1771 has been prepared under the direction of the Textiles and Clothing Standards Policy Committee and specifies requirements for fabrics made from cellulosic fibres, synthetic fibres and blends of synthetic fibres with cellulosic fibres. BS1771-1 contains r

9、equirements for fabrics made entirely from wool or from blends of wool and other fibres. It was decided to produce a revision of the1984 edition of BS1771-2 to provide a range of fabrics characterized by performance rather than by detailed construction in addition to performance. This Part of BS1771

10、 supersedes BS1771-2:1984 which is withdrawn. As with the previous edition of this Part of BS1771, the fabric references allocated to the fabrics listed in Table 1 and Table 2 have been chosen with the aim of assisting the non-technical purchaser in making a choice of fabric type for his known end-u

11、sage. BS1771-2 covers only the basic description of the products and their performance requirements. Purchasing authorities therefore may need to include additional information. Many properties cannot be specified objectively and cannot therefore be included in the standard. Examples of such propert

12、ies include colour, handle appearance and details of additional design features. Purchasing authorities may be able to supply standard patterns which cover these properties and which may serve to resolve any ambiguities of description. A British Standard does not purport to include all the necessary

13、 provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. In particular attention is drawn to Statutory Instrument No. 26 1986 Trade Descriptions, the Textile Prod

14、ucts (Indications of Fibre Content) Regulations 1986. Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, pages1 to4, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This wil

15、l be indicated in the amendment table on the inside front cover.BS1771-2:1990 BSI 08-1999 1 1 Scope This Part of BS1771 specifies minimum performance requirements for a range of woven knitted fabrics made from cellulosic fibres, synthetic fibres and blends of synthetic fibres with cellulosic fibres,

16、 suitable for the manufacture of uniforms and workwear garments. Reference numbers have been allocated to the fabrics listed, with the aim of assisting the non-technical purchaser in making a choice of fabric type for known end-usage. NOTEThe titles of publications referred to in this standard are l

17、isted on the inside back cover. 2 Definitions For the purposes of this Part of BS1771, the definitions given in BS6189 apply, together with the following. 2.1 batch a definite quantity of some commodity manufactured or produced under conditions which are presumed uniform 2.2 bulk the total length of

18、 fabric included in the contract of supply 2.3 lot the total number of rolls of fabric included in any part delivery of the bulk 3 Fabric references Fabrics shall be designated by a condensed technical description containing the following: a) a letter to indicate whether woven (W) or knitted (K); b)

19、 a letter or letters to indicate as follows the fibre type, when determined in accordance with BS4407: C for100% cellulosic; CR for an intimate cellulosic fibre and synthetic fibre blend fabric, containing not less than50% cellulosic fibre; SR for an intimate cellulosic fibre and synthetic fibre ble

20、nd fabric, containing less than50% cellulosic fibre; PE for100% polyester; PA for100% polyamide. c) a space; d) a figure to indicate the minimum mass per unit area in grams per square metre; e) a space; f) a letter to indicate the colour fastness grade L, M or D; g) a letter to indicate the dye type

21、 as follows: A for azoic dye; H for hydron dye; K for mineral khaki dye; S for sulphur dye; V for vat dye. NOTEFor example WC280LV indicates a woven cellulosic fibre fabric with a minimum mass per unit area of280g/m 2 , with colour fastness grade L and vat dyed. 4 Fabric performance Woven fabrics sh

22、all comply with Table 1. Knitted fabrics shall be raschel warp-knitted and shall comply with Table 2. NOTE 1Yarns should be evenly spun. Selvedges should be firm and straight and of a thickness such as not to lead to unacceptable “build-up” during laying-up for garment cutting. NOTE 2The figures quo

23、ted for dimensional change on washing relate to one wash followed by press drying. Successive additional washes, as in actual use, will result in progressive shrinkage and other methods of drying, e.g.tumble drying, may result in a greater shrinkage than that specified. NOTE 3Certain types of flame-

24、retardant finish may reduce the strength of fabrics, particularly cellulosic fabrics. Where flame-retardant finishes are used interested parties may agree to specify alternative strength requirements, but such a fabric could not be claimed to comply with this Part of BS1771. 5 Colour fastness Fabric

25、s shall comply with Table 3 or Table 4 as appropriate. NOTE 1The colour fastness to washing test BS1006-CO6: test method E2S is a laboratory test to indicate the change of colour on washing. It does not take into consideration the fluorescent brightening agents (FBAs) which are present in some comme

26、rcial washing products and which can therefore increase the change of colour. NOTE 2Where combinations of fabrics and/or colours are to be used in a garment, reference should be made to the supplier of the fabric for suitability with regard to cross staining. NOTE 3Where chlorine containing bleaches

27、 are used in laundry processes, reference should be made to the supplier with regard to suitability. NOTE 4Certain special colours may not conform to the specified requirements, and reference should be made to the supplier. 6 Sampling, testing and compliance 6.1 Sampling Sampling shall be carried ou

28、t at the discretion of the testing authority in such a manner that samples taken are representative of the manufacturing, processing, dyeing or finishing batch from which they are drawn.BS1771-2:1990 2 BSI 08-1999 Table 1 Woven fabrics (performance) Table 2 Knitted fabrics (performance) Samples of t

29、he fabric taken for testing for compliance with the requirements of this standard shall be representative of each batch. One sample shall be taken from each5 000m of fabric or if the batch is less than5 000m, one sample shall be taken from each batch. Each sample shall be taken from a different piec

30、e and shall be taken from the middle of a dye lot. It shall be large enough to provide material for all the tests required by this standard and shall be identified with the piece or roll from which it was taken. 6.2 Selection of test specimens Test specimens shall be selected from the sample taken i

31、n compliance with6.1 in such a manner that the full width and length of the sample is represented in each set of test specimens. 6.3 Testing All the physical tests required shall be carried out on each sample. Chemical tests and colour fastness tests shall be carried out on one sample from each batc

32、h. Fibre type reference Mass/unit area Breaking strength min. Tear strength min. warp and weft Dimensional change on washing max. Warp Weft C g/m 2 U 280 235 to279 190 to234 140 to189 140 N 1000 850 700 350 250 N 650 550 350 300 250 N 30 25 20 % 2 CR U 280 235 to279 190 to234 140 to189 140 1200 900

33、800 600 250 650 550 400 350 250 30 25 20 20 2 SR U 280 235 to279 190 to234 140 to189 140 1 300 1 100 1 000 700 250 750 600 500 400 250 30 25 20 20 2 PE, PA U 280 235 to279 190 to234 140 to189 140 1 300 1 100 1 000 700 250 750 600 500 400 250 30 25 20 20 20 2 Test method BS2471 method5 BS2576 BS4303

34、ab BS5807 a NOTE 1The breaking strength and tear strength figures included in this table reflect and take into account the increasing trend in Europe of using fabrics containing open-end spun yarns. NOTE 2The weftwise breaking stength requirements for cellulosic fabric having a mass/unit area of235g

35、/m 2and above allow for the expected loss in strength that will occur in laundering. a After one wash in accordance with procedure1(A) of BS4923, followed by press drying at150 C. b Maximum peak method. Fibre type reference Mass/unit area Bursting strength min. Dimensional change on washing C, CR, S

36、R, PE and PA g/m 2 180 to280 kPa 700 % 2 Test method BS2471 method5 BS4768 using30mm diameter orifice BS5807 a a After one wash in accordance with procedure4A of BS4923 followed by press drying at150 C.BS1771-2:1990 BSI 08-1999 3 Table 3 Colour fastness for100% cellulosic fabrics (minimum ratings) T

37、able 4 Colour fastness for synthetic fibre containing fabrics (minimum ratings) 6.4 Pre-conditioning Pre-conditioning is not specified prior to testing. However, in the event of any dispute, samples shall be pre-conditioned for4h in a relative humidity not exceeding10% at a temperature not greater t

38、han50 C before being exposed to the standard temperate atmosphere for the conditioning and testing of textiles, defined in BS1051, for at least24h before testing. 6.5 Re-tests Should a sample fail any test, two further samples shall be selected from two different pieces in the same batch. Each of th

39、ese samples shall be tested, and if either fails the whole batch shall be rejected. If both the re-test samples pass, the batch shall be accepted, but the piece from which the failed sample was taken shall not be included in the delivery. 7 Marking Each piece or roll of fabric shall bear the followi

40、ng information, e.g.on a label or swing ticket: a) name, trademark or other means of identification of the manufacturer; b) fabric reference in compliance with clause3; c) contract number, where applicable; d) piece number; e) length of the piece or roll, in metres; f) width of the fabric, in centim

41、etres; g) the number and date of this British Standard, i.e.BS1771-2:1990 1) . NOTE 1Interested parties may agree to include the year of manufacture in the marking information. NOTE 2To assist in the choice of a suitable fabric, it is recommended that the manufacturer provides the purchaser with the

42、 information given in Appendix A. Colour fastness grade Dye type Washing Water Rubbing Change of colour Staining of cotton Change of colour Staining of cotton Dry Wet L Vat 45 4 45 4 45 4 M Vat Hydron Sulphur Azoic Mineral khaki 34 45 3 45 4 4 4 2 3 45 4 45 45 45 45 45 45 45 45 45 4 45 4 4 4 23 3 23

43、 2 34 D Vat Hydron Sulphur Azoic 3 45 23 4 3 2 2 23 45 45 45 45 4 45 45 3 4 4 4 34 2 2 12 12 Method of test BS1006-CO6: test method E2S BS1006-EO1 BS1006-X12 Fibre type Washing Water Rubbing Change of colour Staining of Change of colour Staining Dry Wet Cotton Polyester Polyamide CR SR PE PA 4 4 4 4

44、 34 34 34 34 3 3 3 3 4 4 4 4 4 4 4 4 34 34 34 34 23 23 23 23 Method of test BS1006-CO6: test method E2S BS1006-EO1 BS1006-X12 1) Marking BS1771-2:1990 on or in relation to a product represents a manufacturers declaration of conformity, i.e.a claim by or on behalf of the manufacturer that the product

45、 meets the requirements of the standard. The accuracy of the claim is therefore solely the responsibility of the person making the claim. Such a declaration is not to be confused with third party certification of conformity, which may also be desirable.BS1771-2:1990 4 BSI 08-1999 Appendix A Informat

46、ion to be supplied by the purchaser The following information should be supplied by the purchaser: a) fabric type, fibre content and reference; b) colour and any special finishing requirements; c) details of any marking or additional design elements; d) packaging instructions; e) instructions for sa

47、mpling, testing and inspection. NOTEPurchasers in some cases may need to specify additional requirements (see foreword).BS1771-2:1990 BSI 08-1999 Publication(s) referred to BS1006, Methods of test for colour fastness of textiles and leather. BS1051, Glossary of terms relating to the conditioning, te

48、sting and mass determination of textiles. BS1771, Fabrics for uniforms and workwear. BS1771-1, Specification for fabrics of wool and wool blends 2) . BS2471, Methods of test for textiles woven fabrics determination of mass per unit length and mass per unit area. BS2576, Method for determination of b

49、reaking strength and elongation (strip method) of woven fabrics. BS4303, Method for the determination of the resistance to tearing of woven fabrics by the wing-rip method. BS4407, Methods for quantitative analysis of fibre mixtures. BS4768, Method for the determination of the bursting strength and bursting distension of fabrics. BS4923, Schedule of domestic washing and drying procedures for textile testing. BS5807, Method for determination of dimensional change of textiles in d

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