GB/T 29419-2023Performance for wood-plastic composite deck boards, guardrail and fence system (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 29419-2012 "Performance Levels of Plastic Wood Composite Decking and Guardrail System Performance" and is consistent with GB/T 29419- Compared with 2012, in addition to structural adjustments and editorial changes, the main technical changes are as follows:

a) "Evaluation of decking performance levels" is deleted (see Chapter 4 of the 2012 edition);

b) Added "specification dimensions, straightness deviation and quality requirements per meter of length" (see 4.2);

c) Changes in decking performance requirements (see 4.3, 5.1 of the 2012 edition);

d) Added "fence performance requirements" (see 4.5);

e) Added "Fence Sampling Method" (see 5.1.3);

f) Added "Measurement methods for specification dimensions, straightness deviation and mass per meter of length" (see 5.3);

g) The guardrail test method has been changed (see 5.5, 6.4 of the 2012 edition);

h) Added "fence test method" (see 5.6);

i) "Product identification" is deleted (see Chapter 7 of the 2012 edition);

j) "Method for determining correction coefficient" is deleted (see Appendix A of the 2012 version);

k) Added "Fence Sand Bag Impact Test Method" (see Appendix A);

l) Added "Fence Uniform Load Test Method" (see Appendix B).

1 Scope

This document specifies the requirements and test methods for wood-plastic composite decking, guardrails and fencing systems.

This document applies to plastic wood composite decking, guardrails and fencing systems of various shapes and sizes.

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/T 2035 Plastic terms and their definitions

GB/T 8814-2017 Unplasticized polyvinyl chloride (PVC-U) profiles for doors and windows

GB/T 17657-2022 Test methods for physical and chemical properties of artificial panels and decorative artificial panels

GB/T 24508-2020 Wood plastic flooring

GB/T 29418-2023 Performance testing method for wood-plastic composite extruded profiles

3 Terms and definitions

The terms and definitions defined in GB/T 2035, GB/T 29418-2023 and the following apply to this document.