GB/T 25797-2010A kind of photosensitive emulsion(single component) for plate making on fabric screen printing (English PDF)

1 Scope

This standard stipulates the requirements, sampling, test method, inspection rules, mark, label, package of single-liquid type emulsion of textile flat screen printing plate

Equipment, transportation and storage.

This standard applies to textile printing with the textile flat screen printing plate single-type emulsion emulsion product quality control.

2 normative reference documents

The terms of the following documents are hereby incorporated by reference into this standard. Whichever is the date of the reference file, which is followed by all (Excluding corrigenda) or revisions do not apply to this standard, however, encourage the parties to reach an agreement under this standard

Whether you can use the latest version of these files. For undated references, the latest edition applies to this standard.

GB/T 191 Packaging and Storage Icons (GB/T 191-2008, ISO 780..1997, MOD)

GB/T 3186-2006 Sampling of raw materials for paints, varnishes and varnishes and varnishes (ISO 15528..2000, IDT)

GB/T 6682 Analytical laboratory water specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)

Representation and Judgment of Numerical Repairs and Limit Numbers in GB/T 8170-2008

GB/T 8325-1987 Polymers and copolymers - Determination of pH value of aqueous dispersions (eqvISO 1148. 1980)

Synthetic resin emulsion test method GB/T 11175-2002

3 request

Textile flat screen printing plate single-liquid emulsion products performance indicators meet the requirements of Table 1.

Table 1 textile flat screen printing plate single-type emulsion emulsion quality requirements

Project indicators (1) nonvolatile matter (mass fraction) /% 20 ~ 50 (2) pH 4.0 to 6.0 (3) particle size/µm <= 5 (4) freeze-thaw stability, times >= 3 (5) Centrifugal stability is not stratified (6) Viscosity (23 ° C)/(mPa · s) 1500 to 9500 (7) Exposure energy/(mJ/cm2) 20 to 100 (8) resolution/µm <= 80 (9) emulsion film friction resistance, times >= 5000

Note 1. textile flat screen printing plate single-liquid emulsion according to the use can be divided into water-based products for the printing of water-resistant photosensitive emulsion for solvent products printing

Of a solvent-resistant photosensitive emulsion and a water-resistant and solvent-resistant emulsion.

Note 2. water-based products for printing emulsion emulsion emulsion resistance test should be selected water-based printing paste for the friction medium, solvent products, printing with a photosensitive emulsion

Of the emulsion film friction test should be selected solvent-based printing paste for the friction medium, water-resistant solvent-resistant emulsion emulsion selected water-based printing paste and solvent

The printing paste is tested twice. The formulations for water-based printing pastes and solvent-based printing pastes are given in Appendix A.

4 sampling

Sampling as a unit, the production plant to fight a uniform product for a group. Each batch according to GB/T 3186-2006 provisions of sampling. By

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