Foreword
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QB/T 1745 consists of two parts under the general title Fountain pen inks:
——Part 1: Non-pigment inks;
——Part 2: Carbonic inks.
This part is Part 2 of QB/T 1745.
This part is developed in accordance with the rules given in GB/T 1.1-2009.
This part is a revision of QB/T 2063-2007 Carbonic ink.
In addition to a number of editorial changes, the following main technical changes have been made with respect to QB/T 2063-2007:
——The standard name is modified;
——The product classification is modified (see Clause 3; Clause 3 of Edition 2007);
——The name of light fastness is modified (see 4.1 and 6.3; 4.1 and 5.3 of Edition 2007);
——The requirements and test method for scuff resistance are added (see 4.1 and 6.4);
——The test method for bleaching resistance is modified (see 6.8; 5.7 of Edition 2007);
——The test method for stability is modified (see 6.9; 5.8 of Edition 2007);
——The requirements and test method for the migration element content are added (see 4.3 and 6.17);
——The environmental conditions are added (see Clause 5);
——The requirements for shelf life are deleted (see 7.4.2 of Edition 2007).
This part was proposed by China National Light Industry Council.
This part is under the jurisdiction of the National Technical Committee on Writing Instrument of Standardization Administration of China (SAC/TC 378).
The previous editions of this part are as follows:
——QB/T 2063-2007;
——QB/T 2063-1994.
Fountain pen inks - Part 2: Carbonic inks
1 Scope
This part specifies the classification, requirements, test methods, inspection rules as well as marking, packaging, transport and storage of carbonic inks.
This part is applicable to carbonic inks (hereinafter referred to as "inks") used for fountain pens and dip pens for document writing.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated reference, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 460 Paper - Determination of the sizing value
GB/T 1468 Tracing paper
GB/T 1914 Chemical analytical filter paper
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 11541 Photographic base paper
GB/T 12654 Writing paper
GB 21027 Request in common use of security for student's articles
GB/T 26717 Fountain pens and nibs
JJF 1070 Rules of metrological testing for net quantity of products in prepackages with fixed content
3 Classification
Inks are classified into high-quality inks and normal inks based on their properties.
4 Requirements
4.1 The physical and chemical properties of inks shall meet those specified in Table 1.
Table 1
Item Requirement Test method
High-quality inks Normal inks
Chroma Not inferior to advanced contrasting colour scalea Not inferior to normal contrasting colour scalea 6.1
Water resistance The line shall remain visible for at least 24h. 6.2
Light resistance The line shall remain visible for at least 72h. 6.3
Scuff resistance The line shall remain visible after wiping. 6.4
Ethanol resistance The line shall remain visible for at least 10min. 6.5
Hydrochloric acid resistance The line shall remain visible for at least 24h. 6.6
Ammonia resistance The line shall remain visible for at least 24h. 6.7
Bleaching resistance The line shall remain visible for at least 5min. 6.8
Stability Contrasting ink with chroma not less than 80% concentration Contrasting ink with chroma not less than 70% concentration 6.9
Interval writing/min≥ 30 20 6.10
Diffusion/grade≤ 3 6.11
Capillary diffusion Uniform diffusion 6.12
Ink appearance No suspended solids on the surface or odours 6.13
a The contrasting colour scale is provided by the manufacturer and is valid for 2 years.
4.2 The packaging quality of inks shall meet those specified in Table 2.
Table 2
Item Requirement Test method
Net quantity Complying with JJF 1070 6.14
Tightness No leakage when inverted 6.15
Package appearance a) No contamination on the surface;
b) Bottle body and cap: complete in shape, free of defects and burrs;
c) Bottle label, packaging box and trademark: clear in text, well-marked, neatly and properly pasted. 6.16
4.3 The content of migration elements in inks shall comply with GB 21027.
Foreword i
1 Scope
2 Normative references
3 Classification
4 Requirements
5 Environmental conditions
6 Test methods
7 Inspection rules
8 Marking, packaging, transport and storage
.