1、BRITISH STANDARD BS EN ISO 8351-2:1997 Incorporating Amendment No. 1 to BS ISO 8351-2:1994 (renumbers BS as BSEN ISO 8351-2:1997) Packaging Method of specification for sacks Part 2: Sacks made from thermoplastic flexible film The European Standard EN ISO 8351-2:1996 has the status of a British Stand
2、ard ICS 55.080BSEN ISO 8351-2:1997 This British Standard, having been prepared under the directionof the Consumer Products and Services Sector Board, was published under theauthority of the Standards Board and comes into effect on 15March 1997 BSI 08-1999 The following BSI references relate to the w
3、ork on this standard: Committee reference PKW/2 Draft for comment 93/303310 DC ISBN 0 580 24436 9 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee PKW/2, Primary packaging, upon which the following bodies were represented:
4、 Association of Drum Manufacturers Association of the British Pharmaceutical Industry Brewers present to the responsible international committee any enquiries on interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promu
5、lgate them in the UK. A British Standard does not purport to include all the necessary 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. Summary of pages Th
6、is document comprises a front cover, an inside front cover, pages i and ii, theEN ISO title page, page 2, the ISO title page, pages ii to iv, pages 1 and 2, aninside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will b
7、e indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 8351-2 August 1996 ICS 55.080 Descriptors: Packaging, plastics products, flexible plastics, plastic sheets, bags, technical data sheets, orders (sales documents). English version Pac
8、kaging Method of specification for sacks Part 2: Sacks made from thermoplastic flexible film (ISO 8351-2:1994) Emballages Mthode de spcification des sacs Partie 2: Sacs faits dun film thermoplastique flexible (ISO 8351-2:1994) Verpackung Spezifikationsverfahren fr Scke Teil 2: Scke aus thermoplastis
9、chen Kunststoff-Folien (ISO 8351-2:1994) This European Standard was approved by CEN on 1996-03-12. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-t
10、o-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. The European Standards exist in three official versions (English, French, German). A version in any other language made by translation under
11、the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherland
12、s, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1996 Copyright reserved to CEN members Ref. No. EN ISO 8351-2:1996 EEN
13、 ISO 8351-2:1996 BSI 08-1999 2 Foreword The text of the International Standard from Technical Committee ISO/TC122 “Packaging” of the International Organization for Standardization (ISO) has been taken over as an European Standard by Technical Committee CEN/TC 261 “Packaging”, the secretariat of whic
14、h is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 1997, and conflicting national standards shall be withdrawn at the latest by February 1997. According to the CEN/CENELE
15、C Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the U
16、nited Kingdom.ISO 8351-2:1994(E) ii BSI 08-1999 Contents Page Foreword iii 1 Scope 1 2 Normative references 1 3 Method of specification 1ISO8351-2:1994(E) BSI 08-1999 iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO mem
17、ber bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmen
18、tal and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the mem
19、ber bodies for voting. Publication as an International Standard requires approval by at least75% of the member bodies casting a vote. International Standard ISO 8351-2 was prepared by Technical Committee ISO/TC 122, Packaging, Subcommittee SC2, Sacks. ISO 8351 consists of the following parts, under
20、the general title Packaging Method of specification for sacks: Part 1: Paper sacks; Part 2: Sacks made from thermoplastic flexible film.iv blankISO 8351-2:1994(E) BSI 08-1999 1 1 Scope This part of ISO 8351 provides a checklist for the characteristics to be specified when ordering sacks made from th
21、ermoplastic flexible film. These ordering specifications cover the description of the sack and do not deal with quantitative performance requirements. This part of ISO8351 is primarily intended for application to the types of sacks made from thermoplastic flexible film as specified in ISO6590-2. 2 N
22、ormative references The following standards contain provisions which, through reference in this text, constitute provisions of this part of ISO8351. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this part of I
23、SO8351 are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 6590-2:1986, Packaging Sacks Vocabulary and types Part 2: Sacks made from thermoplasti
24、c flexible film. ISO 6591-2:1985, Packaging Sacks Description and method of measurement Part 2: Empty sacks made from thermoplastic flexible film. 3 Method of specification 3.1 General When drawing up the specification of a sack made from thermoplastic flexible film for ordering purposes, customer a
25、nd manufacturer shall consider each item in the following lists and, where relevant, mutually agree to include them in the ordering specifications at an appropriate level. The format of the ordering specification shall be agreed upon between the customer and the manufacturer. 3.2 Description 3.2.1 S
26、ack type 3.2.1.1 Open-mouth heat-sealed flat; heat-sealed gusseted; pasted flat hexagonal-bottom; pasted gusseted rectangular-bottom; heat-sealed with corner seals; other not specified above. 3.2.1.2 Valved (closed-mouth) valved heat-sealed flat; side-valved heat-sealed flat; valved heat-sealed guss
27、eted; side-valved heat-sealed gusseted; valved pasted flat hexagonal-ends; other not specified above. 3.2.2 Tube type without longitudinal seam: flat or gusseted; with one or more longitudinal seams: flat or gusseted; side-welded. 3.2.3 Dimensions The following dimensions, in millimetres, shall be s
28、pecified in accordance with ISO6591-2. length of sack, a width of sack, b width of gusset, e width of bottom, c width of valve, g length of valve, f width of valve sleeve, v length of valve sleeve, i valve sleeve position, l: distance between outermost edge of sack and outermost edge of valve sleeve
29、, measured parallel to the bottom. 3.2.4 Type of material Each ply shall be specified by its type, thickness (in micrometres) or grammage (in grams per square metre), special treatment (e.g. antislip, antistatic). If there is any surface treatment, the direction of treatment should be stated (e.g. f
30、ace in, face out, both sides). The materials shall be characterized as follows: loose or integral; paper type e.g. normal (flat) sack paper, extensible sack paper and grammage; film type, e.g. PE-LD, PE-LLD, PE-HD, PVDC or E/VAC; film state (flat or tubular); film thickness, in micrometres; film mel
31、t flow index, in grams per10min; length, in millimetres, where different from other plies (usually when loose or integral tubular); gusset, in millimetres, where different from other plies (usually when loose or integral tubular); width, in millimetres, where different from other plies (usually when
32、 loose or integral tubular);ISO 8351-2:1994(E) 2 BSI 08-1999 heat seal distance, in millimetres, from adjacent sack or thermoplastic ply transverse edge; skirt length, in millimetres, loose type only; Z-fold; cuffed or uncuffed; material combinations, e.g. extrusion-coated aluminium or textiles, wit
33、h their respective characteristics. 3.2.5 Perforations beneath valve: number, size and pattern; ply: number, spacing, size and location of holes. 3.2.6 Valve/sleeve valve type: internal sleeve, external sleeve, reinforced sleeve, etc.; valve position: i.e. in which corner of sack; sleeve materials.
34、3.2.7 Longitudinal seam continuous or interrupted; overlap width, in millimetres. 3.2.8 Bottom cap position: valved end, non-valved end; material: type and thickness or grammage; dimensions, in millimetres: length, width. 3.2.9 Bottom orientation folded towards sack face side; folded towards sack ba
35、ck side. 3.2.10 Heat-sealed closures distance, n, of heat seal from sack edge; heat seal position: top or bottom of sack in relation to print. 3.2.11 Filling aperture (open-mouth sacks only) transverse pasting (yes/no) on all plies (yes/no, innermost without transverse pasting); thumb cut, yes/no. 3
36、.2.12 Printing complete description of requirements and position of major elements of print, e.g. face side, back side, gussets, valve end, non-valve end and direction to valve end; ink colours and requirements, e.g. abrasion-resistant, UV-resistant. 3.2.13 Packaging sacks in bundles: tied/untied/fo
37、lded; bundles in bales: total number of sacks per bale; bundles in palletized units: total number of sacks per unit; bundle stacking pattern; shingled reels: diameter and overlap in millimetres, number of sacks; pallet size and type, four-way entry/two-way entry; maximum unit height, in millimetres;
38、 special requirements for automatic packers; pallet wrapping: plastic, paper, shrink wrap, stretch wrap, wooden frame or fibre board on top of pallet; pallet strapping: steel, plastic; protection from strapping; labelling of pallet load. 3.2.14 Accompanying documentation customers specification numb
39、er; manufacturers specification number; delivery address; invoice address; other acknowledgement.ENISO8351-2:1996 BSI 08-1999 Annex ZA (normative) Normative references to international publications with their relevant European publications This European Standard incorporates by dated or undated refe
40、rence, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorpor
41、ated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. Publication Date Title EN Date ISO 6590-2 1986 Packaging Sacks Vocabulary and types Part 2: Sacks made from thermoplastic flexible film EN 26590-2 1992 ISO 6591-2 1985 Packaging Sac
42、ks Description and method of measurement Part 2: Empty sacks made from thermoplastic flexible film EN 26591-2 1992BS EN ISO 8351-2:1997 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents
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