GB/T 27654-2023Wood preservatives (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.

This document replaces GB/T 27654-2011 "Wood Preservatives". Compared with GB/T 27654-2011, except for structural adjustment and editing In addition to the modifications, the main technical changes are as follows:

a) Micronized copper quaternary ammonium (MCQ) is deleted (see 4.4 of the 2011 edition);

b) Added ACQ-1 composition proportion and proportion range (see 4.4);

c) Deleted copper azole CuAz-1 (see 4.5 of the 2011 edition);

d) Increased the composition ratio and ratio range of copper azoles CuAz-6, CuAz-7 divalent copper and triazole (see 4.5);

e) Added micronized copper azole (MCA-4) (see 4.6);

f) Added cyproconazole, hexaconazole, epoxiconazole, triazole, prothioconazole, tetrafluroconazole, etc. (see 5.1);

g) Added N-octyl-4-isothiazolin-3-one (OIT), 5-chloro-2-methyl-4-isothiazolin-3-one (CMIT), 2-methyl-4 -Isothi Oxazolin-3-one (MIT), 4,5-dichloro-N-n-octylisothiazolin-3-one (DCOI) (see 6.1).

1 Scope

This document specifies the ratio of active ingredients in water-borne wood preservatives and the content of active ingredients in various dosage forms (solid, paste, or solution). Content requirements, and stipulates the active ingredients of organic wood insect repellents, organic wood preservatives and anti-mildew and anti-discoloration agents.

This document applies to the production and use of wood preservatives.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.

GB 190 Dangerous goods packaging markings

GB 3796-2018 General principles for pesticide packaging

GB/T 9551-2017 Chlorothalonil technical material

GB 12475-2006 Anti-toxic regulations for storage, transportation, sale and use of pesticides

GB/T 14019 Wood anticorrosion terminology

GB/T 22619 Bifenthrin technical material

GB/T 23229-2023 Analysis method for water-borne wood preservatives

GB/T 28126 Imidacloprid technical material

GB/T 28131 Deltamethrin technical material

GB/T 33021-2016 Methods for analysis of organic wood preservatives triazole and benzimidazole

HG/T 2988 Permethrin content analysis method

HG/T 3627 Cypermethrin technical material

SB/T 10404 Determination of main components of water-borne preservatives and flame retardants

3 Terms and definitions

The terms and definitions defined in GB/T 14019 and the following apply to this document.

4 Water-borne wood preservatives