GB/T 35469-2017Test method of anti-mold activity of building wood-plastic composites (English PDF)

1 Scope

This standard specifies the terms and definitions of the antifungal properties of wood-plastic composite materials and anti-mold durability test, test principle, equipment

Preparation, reagents and materials, test procedures and test reports and so on.

This standard applies to building WPC composites and their products, other WPC composites can refer to use.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

National Standard of Food Safety Microbiological examination of food mold and yeast count

GB/T 6682 analytical laboratory water specifications and test methods

Test method for artificial weathering of plastic - wood composite material GB/T 29365-2012

YY0569 II level biological safety cabinet

3 Terms and definitions

The following terms and definitions apply to this document.

4 test principle

According to the physiological characteristics of mold growth designed to accelerate the test, inoculated on the surface of a large number of mold spores, and then placed in the sample temperature

Degree of 28 °C ~ 30 °C, relative humidity >= 85% under the conditions of culture to observe the growth of mold on the surface of the sample, according to the mold surface growth mold

The area tested the ability of the product to inhibit mold growth.