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GB/T 9269-2009Determination of viscosity of paints and coatings - Stormer viscosimeter method (English PDF)

涂料黏度的测定 斯托默黏度计法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

June 2, 2009

Implementation date

February 1, 2010

Scope

GB/T 9269-2009 is the English-translated version of 涂料黏度的测定 斯托默黏度计法.

GB/T 9269-2009 is the Chinese national method for measuring the viscosity of paints and related products with a Stormer viscometer. The viscosity is read from the load needed to turn a paddle rotor immersed in the coating at 200 r/min, and the result is given in Krebs units.

The standard is divided into method A, with a mechanical viscometer, and method B, with a digital-display viscometer, new in this edition; informative annex A lists the supplementary information a particular application needs.

For method A the apparatus is a Stormer viscometer with a strobe timer, a container of 500 mL and 85 mm diameter, a thermometer reading 0 °C to 50 °C in 0.1 °C, and weights from 5 g to 1000 g.

It replaces GB/T 9269-1988, was issued on 2 June 2009 and has applied since 1 February 2010.

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Document preview — GB/T 9269-2009

National Standard of the People's Republic of China

ICS
87.040
Classification
G 50
Replacing
GB/T 9269-1988

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • Foreword
  • 1 Scope
  • 2 Normative references
  • 3 Terms and Definitions
  • 6 Mechanical viscometer method (A method)

Foreword

This standard replaces GB/T 9269-1988 "Determination of viscosity of architectural coatings Stormer viscometer." This standard compared with GB/T 9269-1988, the main technical differences are.

--- Expanding the scope of the standard, the standard name corresponding to "paint viscosity measurement Stormer viscometer Law";

--- This standard uses a different instrument into A method (mechanical viscometer method) and Method B (digital display viscometer method), where B law New method;

--- Original standard A and B method to the method step A and step B, classified as A law;

--- Increase the precision and bias of the measurement results of the requirements;

--- Increased the temperature deviation is corrected during the calibration requirements and test step process;

--- Added Appendix A (informative). Appendix A of this standard is an informative annex. The standard proposed by China Petroleum and Chemical Industry Association.

1 Scope

This standard specifies the method for determination of the viscosity of the coating.

This standard applies to use Stormer viscometer viscosity paints and related products.

The standards are divided into A and B method method, A method for the mechanical viscometer method, B method several explicit viscometer method.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.

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

3 Terms and Definitions

The following terms and definitions apply to this standard.

3.1 Viscosity

Generating 200r/min (Stormer viscometer) speed required load (g), results in KU values.

3.2 Krebs unit

A measure of value, usually used to indicate the construction method is by brush or roller coating viscosity.

NOTE: This function is to produce a measure of 200r/min speed required load.

Supplementary information needed 4 For any particular application, the test methods specified in this standard needs to improve with additional information. Contents of supplemental information in the appendix A listed.

Principle 5 Offset by a paddle-type rotor immersion coating to produce 200r/min speed of the load required to indicate the coating viscosity.

6 Mechanical viscometer method (A method)

6.1 Instrument

6.1.1 viscometer, Stormer viscometer with rotor blades, as shown in Figure 1, Figure 2. FIG additional strobe timer 1 can be removed In addition, if not this part of the instrument can also be used, but it will reduce the speed and accuracy. From the strobe timer can be seen directly produce 200r/min Fig.

6.1.2 vessel, a 500 mL capacity, a diameter of 85mm.

6.1.3 thermometer, measuring range is 0 °C ~ 50 °C, indexing is 0.1 °C.

6.1.4 stopwatch, timer or other suitable indexing of 0.2s.

6.1.5 weights, set, ranging from 5g ~ 1000g

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Similar standards

Editions of GB/T 9269

EditionTitleRevisionStatus
GB/T 9269-2009Determination of viscosity of paints and coatings - Stormer viscosimeter methodcurrent editionCurrent
GB/T 9269-1988Determination of viscosity of paints and coatings - Stormer viscosimeter methodprevious editionSuperseded

This page sells the current edition, GB/T 9269-2009. Earlier editions are listed for reference only.

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