Cellophane used for food packaging
1 Scope
This standard specifies the classification, requirements, test method, inspection rules, marking, packaging, transportation and storage of cellophane used for food packaging (hereafter referred to as “cellophane for food”).
This standard is applicable to the cellophane used for transparent packaging of medicines, foods and other commodities.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions, of any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies.
GB/T 450 Paper and board — Sampling for testing and identification of machine and cross direction, wire side and felt side (GB/T 450-2008, ISO 186: 2002, MOD)
GB/T 451.1 Paper and board — Determination of size and deviation
GB/T 451.2 Paper and board — Determination of grammage (GB/T 451.2-2002, eqv ISO 536: 1995)
GB/T 451.3 Paper and board — Determination of thickness (GB/T 451.3-2002, idt ISO 534: 1998)
GB/T 462 Paper, board and pulp — Determination of moisture content of analytical sample (GB/T 462-2008; ISO 287: 1985, MOD; ISO 638: 1978, MOD)
GB/T 601 Chemical reagent — Preparations of reference titration solutions
GB/T 2828.1 Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection (GB/T 2828.1-2003, ISO 2859-1: 1999, IDT)
GB/T 2679.2 Paper and board — Determination of water vapour transmission rate (Dish method) (GB/T 2679.2-1995, eqv ISO 2528: 1974)
GB/T 5009.78 Method for analysis of hygienic standard of papers for food packaging
GB/T 10342 Paper — Package and mark
GB/T 10739 Paper, board and pulps — Standard atmosphere for conditioning and testing (GB/T 10739-2002, eqv ISO 187: 1990)
GB 11680 Hygienic Standard of paper used for food packaging
GB/T 12914 Paper and board — Determination of tensile properties (GB/T 12914-2008; ISO 1924-1: 1992, MOD; ISO 1924-2: 1992, MOD)
3 Classification
3.1 Cellophane for food may be classified into moisture-proof and non-moisture-proof cellophane.
3.2 Cellophane for food may be classified into roll and sheet.
3.3 Cellophane for food may be classified into first-grade product and acceptable product.
4 Requirements
4.1 Technical indexes of non-moisture-proof cellophane for food shall meet those specified in Table 1 or the contract requirements, and for moisture-proof shall meet those specified in Table 2 or the contract requirements.
Foreword i
1 Scope
2 Normative references
3 Classification
4 Requirements
5 Test methods
6 Inspection rules
7 Marking, packaging, transportation and storage
Annex A (Normative) Determination of sulfur content
Annex B (Normative) Determination of anti-adhesion
Annex C (Normative) Determination of heat seal strength
