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Industry Standard of the People's Republic of China —— Offset Resin Ink QB/T 1866-93

1 Subject matter and scope of application

This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of offset resin ink. This standard applies to offset resin ink used on single-colour, two-colour or multi-colour offset presses. The ink is used for printing pictures, trademarks and the like on various printing papers such as offset paper.

2 Normative references

ZBA 17005 Classification, nomenclature and types of printing ink products

GB/T 14624.1 Test method for the colour of printing ink

GB/T14624.1 Test method for the tinting strength of printing ink

QB 559 Test method for the fineness of printing ink

GB/T14624.3 Test method for the flowability of printing ink

GB/T14624.4 Test method for the film drying of printing ink

GB/T14624.5 Test method for the tack of printing ink

QB 570 Test method for the setting speed of printing ink (A) (B)

QB 577 Test method for the slope, intercept and flow value (spread diameter) of the ink characteristic line

3 Product classification

According to product colour, the products are divided into seven types - white, medium yellow, green, sky blue, golden red, magenta and black - and their types comply with the requirements of ZBA 17005. See Table 1 and Table 2.

4 Technical requirements

4.1 The technical indices of this product shall comply with the provisions of Table 1. Table 1

P01 101

Offset resin white ink

95-110

P02 232

Offset resin medium yellow ink

P02 305

Offset resin green ink

P02 424

Offset resin sky blue ink

P02 623

Offset resin golden red ink

P02 655

Offset resin magenta ink

P02 802

Offset resin black ink

4.2 The performance requirements of this product shall comply with the provisions of Table 2. Table 2

Setting speed mim

P01 101

Offset resin white ink

P02 232

Offset resin medium yellow ink

P02 305

Offset resin green ink

P02 424

Offset resin sky blue ink

P02 623

Offset resin golden red ink

P02 655

Offset resin magenta ink

P02 802

Offset resin black ink

5 Test methods

5.1 The colour shall be tested in accordance with GB/T14624.1.

5.2 The tinting strength shall be tested in accordance with GB/T14624.2.

5.3 The fineness shall be tested in accordance with QB559.

5.4 The flowability shall be tested in accordance with GB/T14624.3.

5.5 The film drying shall be tested in accordance with GB/T14624.4.

5.6 The tack shall be tested in accordance with GB/T14624.5.

5.7 The setting speed shall be tested in accordance with QB570.

5.8 The flow value shall be tested in accordance with QB577.

6 Inspection rules

6.1 Factory inspection 6.1.1 Before leaving the factory, products shall be inspected by the inspection department of the manufacturer, and may leave the factory only after passing inspection and being accompanied by a certificate of conformity. 6.1.2 The factory inspection items are colour, fineness, flowability and tinting strength. 6.2 Type inspection 6.2.1 Type inspection shall be carried out in any of the following circumstances. a. Trial-production type approval of a new product, or of an old product transferred to another factory for production;

b. After formal production has begun, if the structure, materials or process undergo relatively major changes that may affect product performance;

c. During normal production, an inspection shall be carried out once a year;

d. When production is resumed after the product has been out of production for a long period;

e. When a national quality supervision body requests that type inspection be carried out. 6.3 Products of the same colour and produced in the same period form one lot; the number of samples taken from each lot shall be not less than (n/2)1/2 [where n is the total number of drums (cans) of each lot of products], and not less than 20g shall be sampled from each drum (can), with attention paid to keeping the samples clean and sealed. 6.4 If any item fails the inspection, fresh samples shall be taken from the same lot of products for re-inspection, and the result of the re-inspection shall prevail; if any item still fails, the lot of products shall be judged unqualified. 6.5 If the supplier and the buyer disagree over the inspection results and cannot resolve the matter through consultation, arbitration inspection may be carried out by a product quality supervision and inspection body.

7 Marking, packaging, transportation and storage

7.1 Offset resin ink shall be packaged in iron boxes or iron drums, and the iron boxes shall then be packed into outer packaging cartons. 7.2 The outside of the iron boxes or iron drums shall be labelled or printed with the trademark, manufacturer, product name, type, product standard number, quantity, weight, batch number, date of manufacture and the marking "Do not turn upside down". 7.4 Provided that the packaging requirements of 7.1 are met, the product may be transported by means of transport such as vehicles, ships and aircraft. 7.5 During transportation and handling, the product shall not be thrown, dropped or knocked against anything, so as to prevent damage to the packaging and spillage of the ink. 7.6 The product shall not be stored in the open air; the warehouse must be dry and ventilated, protected against moisture and kept away from fire sources. 7.7 Under the storage conditions specified in 7.6, the product has a valid storage period of two years from the date of manufacture.

This standard was proposed by the Quality Standards Department of the Ministry of Light Industry.

This standard is under the jurisdiction of the National Ink Standardization Centre.

Drafting organisation of this standard: Shanghai Ink Factory.

Principal drafter of this standard: Jin Zhiwu.

From the date of implementation of this standard, the former Ministry of Light Industry standard QB555-83 "Offset Resin Ink" shall be repealed.

——This article is reprinted from China Packaging Network (pack.cn), original link: http://news.pack.cn/show-362284.html