GB/T 44834-2024 Water-based coated paper and board for food packaging
1 Scope
This document specifies the requirements, inspection rules, marking, packaging, transportation, storage of water-based coated paper and board for food packaging, describes the corresponding test methods, and gives information on classification.
This document is applicable to the production, inspection and sale of water-based coated paper and board for food packaging.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 450 Paper and board - Sampling for testing and identification of machine and cross direction, wire side and felt side
GB/T 451.1 Paper and board - Determination of size and deviat
GB/T 451.2 Paper and board - Part 2: Determination of grammage
GB/T 451.3 Paper and board - Determination of thickness
GB/T 454 Paper - Determination of bursting strength
GB/T 462 Paper, board and pulp - Determination of moisture content of analytical sample
GB/T 1540 Paper and board - Determination of water absorption - Cobb method
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 7975 Paper and board - Determination of color (diffuse reflectance method)
GB/T 10342 Paper - Package and mark
GB/T 10739 Paper, board and pulps - Standard atmosphere for conditioning and testing
GB/T 12914 Paper and board - Determination of tensile properties - Constant rate of elongation method (20 mm/min)
GB/T 22805.2 Paper and board - Determination of grease resistance - Part 2: Surface repellency test
GB/T 25436-2023 Filter paper for teabags
GB/T 31905 Paper and board - Determination of edge permeance
GB/T 36392-2018 PE (PP, PET) coated paper and board for food packaging
GB/T 43588 Paper, board and paper products - Assessment method of recyclability
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
water-based coated paper and board for food packaging
coated paper and board for food packaging which using paper and board as substrates, coated with water-based emulsions or dispersions on single or both sides, and drying to form a coating
4 Classification
4.1 Water-based coated paper and board for food packaging are classified into type I, Type II and type III according to their uses. Type I is generally used for packaging hamburgers, pastries, etc.; Type II is generally used for processing paper bags containing dried fruits, disposable drinking paper bags, etc.; Type III is generally used for processing paper cups, paper bowls, paper lunch boxes, etc.
4.2 Water-based coated paper and board for food packaging are classified into single-side coated and both-side coated according to the coating method.
4.3 Water-based coated paper and board for food packaging are classified into web paper and flat paper according to the packaging form.
Contents Foreword 1 Scope 2 Normative references 3 Terms and definitions 4 Classification 5 Requirements 6 Test methods 7 Inspection rules 8 Marking, packaging, transportation and storage Annex A (Normative) Determination of leakage resistance Annex B (Normative) Determination of adhesion resistance
