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GB/T 18454-2019 English PDF (GBT18454-2019)

GB/T 18454-2019 English PDF (GBT18454-2019)

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GB/T 18454-2019: Laminated bags for aseptic packaging of liquid food

This standard specifies the structure and classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of laminated bags for aseptic packaging of liquid food. This standard is applicable to the laminated bags made of plastic and plastic or plastic and aluminum foil, metal vapor-deposited film, etc., equipped with sealing parts such as filling ports, sterilized for aseptic packaging of liquid foods.
GB/T 18454-2019
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 55.040
A 82
Partially replacing GB/T 18454-2001
Laminated bags for aseptic packaging of liquid food
ISSUED ON: MAY 10, 2019
IMPLEMENTED ON: DECEMBER 01, 2019
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of PRC;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions ... 7
4 Structure and classification ... 9
5 Technical requirements ... 9
6 Test methods ... 12
7 Inspection rules ... 16
8 Marking, packaging, transportation and storage ... 19
Laminated bags for aseptic packaging of liquid food
1 Scope
This standard specifies the structure and classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of laminated bags for aseptic packaging of liquid food.
This standard is applicable to the laminated bags made of plastic and plastic or plastic and aluminum foil, metal vapor-deposited film, etc., equipped with sealing parts such as filling ports, sterilized for aseptic packaging of liquid foods (hereinafter referred to as laminated bags).
This standard does not apply to paper-based laminated bags.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 1037 Plastics - Film and sheeting - Determination of water vapor
transmission - Cup method
GB/T 1038 Plastics - Film and sheeting - Determination of gas transmission - Differential-pressure method
GB/T 1040.1 Plastics - Determination of tensile properties - Part 1: General principles
GB/T 1040.3 Plastics - Determination of tensile properties - Part 3: Test conditions for films and sheets
GB/T 2410 Determination of the luminous transmittance and haze of
transparent plastics
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 4789.2 National food safety standard - Microbiological examination of food: Aerobic plate count
GB 4789.3 National food safety standard - Food microbiological examination - Enumeration of coliforms
GB 4789.4 National food safety standard - Microbiological examination of food - Examination of salmonella
GB 4789.5 National food safety standard - Microbiological examination of food hygiene - Examination of shigella
GB 4789.10 National food safety standard - Food microbiological
examination - Examination of staphylococcus aureus
GB 4789.11 National food safety standard - Microbiological examination of food hygiene - Examination of ??-Streptococcus hemolyticus
GB 4789.15 National food safety standard - Food microbiological
examination: Enumeration of moulds and yeasts
GB 4806.6 National food safety standard - Plastic resin used in food-
contact
GB 4806.7 National food safety standard - Food contact plastic materials and articles
GB 4806.11 National food safety standard - Food contact rubber materials and articles
GB/T 4857.5 Packaging - Transport packages - Vertical impact test method by dropping
GB/T 6672 Plastics film and sheeting - Determination of thickness by
mechanical scanning
GB/T 6673 Determination of length and width of plastics film and sheeting GB/T 8808-1988 Soft composite plastic material - Peeling test method
GB 9683 Hygienic standard for composite laminated food packaging bag
GB 9685 National food safety standard - Standard for uses of additives in food contact materials and their products
GB 18280.1 Sterilization of health care products - Radiation - Part 1:
Requirements for development, validation and routine control of a
sterilization process for medical devices
The package which packs the sterilized food in a sterile environment or seals it in a sterilized container to maintain a long shelf life at room temperature without preservatives, meanwhile maximizes the original nutrients and
flavors in food.
3.3
Laminated bags for aseptic packaging of liquid food
A laminated bag which is made of a multi-layer film structure and is equipped with a sealing member such as a filling port, for filling the sterilized liquid food.
Note: The laminated bag is for inner packaging and is used together with containers such as paper box, cartons, drums or wooden boxes.
3.4
Sterilization
A confirmed process that leaves the product free of viable microorganisms. Note 1: During the sterilization process, the nature of microbial inactivation is exponential. The survival of microorganisms on a single product can be expressed by probability. Although this probability can be reduced to very low, it is impossible to fall to zero.
Note 2: Rewrite the definition 3.39 of GB 18280.1-2015.
3.5
Bioburden
The total number of viable microorganisms on a product and/or sterile barrier system and/or therein.
[GB 18280.2-2015, definition 3.2.2]
3.6
Sterility assurance level; SAL
The probability of a single living microorganism present on the product unit after sterilization.
Note: SAL represents a magnitude, typically 10-6 or 10-3. Although 10-6 is smaller than 10-3, it provides a margin greater than 10-3.
[GB 18280.2-2015, definition 3.2.11]
Where:
T - Thickness deviation, %;
HM - Measured value of thickness, in micrometers (??m);
HS - Standard value of thickness, in microns (??m);
S - Standard thickness in Specification, in microns (??m).
6.4 Physical and mechanical performance
6.4.1 Oxygen permeability
The outer film of aluminum foil bag is tested from the outside to the inside according to the provisions of GB/T 19789. The polyamide bag and
polyethylene outer film are tested from the outside to the inside according to the provisions of GB/T 1038. The outer film of the aluminum-plated polyester bag is tested according to GB/T 19789 or GB/T 1038. During arbitration, it shall be carried out in accordance with the provisions of GB/T 19789.
6.4.2 Water vapor permeability
It is tested from the outside to the inside according to GB/T 26253 or GB/T 1037. The testing temperature is (38 ?? 0.5) ??C, the relative humidity is (90 ?? 2)%. During arbitration, it shall be tested according to GB/T 26253.
6.4.3 Light transmittance
It is tested in accordance with the provisions of GB/T 2410.
6.4.4 Tensile strength and nominal strain of fracture
It is tested according to the provisions of GB/T 1040.1 and GB/T 1040.3. It uses the stripe specimen which has a length of 150 mm, a width of 15 mm, a gauge of (100 ?? 1) mm. The tensile speed (no load) of the specimen is (200 ?? 20) mm/min.
6.4.5 Peel force
It is tested according to the provisions of the A method of GB/T 8808-1988. The specimen is considered to be qualified when it cannot be peeled off.
6.4.6 Hot seal strength of bag body
It is tested in accordance with QB/T 2358.
considered unqualified.
6.7 Food safety performance
The food safety performance of the outer film, inner lining, filling mouth and seals shall be inspected according to the methods specified in GB 4806.6, GB 4806.7, GB 4806.11, GB 9683, GB 9685 and related standards.
6.8 Sterilization requirements
6.8.1 Radiation sterilization dose
Check the irradiation certificate provided by the irradiation sterilization manufacturer, to determine that the absorbed dose of the product meets the required dosage range. The contents of the irradiation certificate include at least the irradiation sterilization batch number, product name, product batch number, product quantity, required dose range, product?€?s absorbed dose.
6.8.2 Marking of irradiation sterilization state
Visually check the marking of irradiation state.
6.8.3 Microbiological test methods
The sampling method is carried out in accordance with the provisions of GB/T 18706. The inspection shall be carried out in accordance with the provisions of GB 4789.2, GB 4789.3, GB 4789.4, GB 4789.5, GB 4789.10, GB 4789.11, GB
4789.15.
7 Inspection rules
7.1 Group-batch
The products of same variety, the same specification and the same delivery form a batch. The quantity of each batch of products shall not exceed 100000. 7.2 Type of inspection
7.2.1 Exit-factory inspection
7.2.1.1 The items and quantity of samples of the exit-factory inspection are as shown in Table 7.

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