GB/T 22820-2017Braided base paper (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

This standard replaces GB/T 22820-2008 "craft gift paper." This standard compared with GB/T 22820-2008, the main changes as follows.

--- Modify the standard name;

--- Adjust the tightness, tensile strength, color and other technical indicators, the brightness to D65 brightness, tensile strength to tensile index (see 4.1, 2008 version 4.1);

--- Increased color fastness, formaldehyde, carcinogenic aromatic amines, heavy metals migration safety indicators and test methods (see 4.1 and Chapter 5).

1 Scope

This standard specifies the classification of woven base paper, requirements, test methods, inspection rules and signs, packaging, transportation, storage.

This standard applies to the preparation of paper tape, paper rope, woven hat and craft gifts, or for decorative paper.

2 Normative references

The following documents for the application of this document is essential. 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 450 paper and cardboard samples taken and the sample vertical and horizontal, front and back determination

GB/T 451.1 Determination of paper and board dimensions and skewness

GB/T 451.2 Determination of paper and board

GB/T 451.3 Determination of paper and board thickness

GB/T 462 paper, cardboard and pulp analysis of moisture samples

GB/T 465.2 paper and cardboard - Determination of tensile strength after soaking

GB/T 1914 chemical analysis of filter paper

GB/T 2828.1 Sampling procedures for sampling inspection - Part 1: Batch inspection sampling plan retrieved by acceptance quality limit (AQL)

GB/T 6682 analytical laboratory water specifications and test methods

GB/T 7973 Determination of diffuse reflection factor of paper, board and pulp (diffusion/vertical method)

GB/T 7974 paper, cardboard and pulp Blu-ray diffuse reflection factor D65 Determination of brightness (diffuse/vertical method, outdoor daylight conditions)

GB/T 7975 Determination of paper and board color (diffuse reflection method)

GB/T 10342 paper packaging and marking

GB/T 10739 Standard atmospheric conditions for the handling and testing of paper, board and pulp specimens

GB/T 12914 Determination of paper and board tensile strength

GB/T 17592 Textiles banned azo dye determination

GB/T 23344 Textiles Determination of 4-amino azobenzene

GB/T 34448 Determination of formaldehyde content of household paper and paper products

3 Categories

Woven base paper by color is divided into two kinds of white paper and color paper.

4 Requirements

4.1 woven base paper technical indicators should be consistent with the provisions of Table 1.