GB/T 21353-2008Test method for determining the resistance of paint film to algae (English PDF)

1 Scope

This standard specifies the architectural coatings outdoor paint anti-algae performance test methods and evaluation of results.

This standard applies to architectural coatings outdoor paint performance testing anti-algae, other anti-algae coating film performance tests refer to this standard.

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 1727-1992 Film General Preparation Method

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

4 Test principle

This test method is to simulate the natural growth of algae environmental conditions, according to the physiological characteristics of algae growth accelerated test design,

Determination of film used to kill algae inhibition effect, to evaluate the performance of the film anti-algae by using an intuitive way of determining the extent of test algae growth.

5 Test conditions