1、 How to Select Wood Preservatives and Preservative Wood

為確保木材和木材制品達到設計的使用年限，應根據木材和木材制品的使用環境，不同使用環境中的生物敗壞因子對木材及其制品的危害程度，防腐劑和防腐木材對人畜和環境的影響，以及防腐木材再加工的要求來選擇使用適當的木材防腐劑和防腐木材。

In order to ensure that the wood and wood products reach the designed service life, appropriate wood preservatives and antiseptic wood should be selected according to the service environment of wood and wood products, the degree of damage to wood and wood products caused by biological deterioration factors in different service environments, the impact of preservatives and antiseptic wood on people, animals and the environment, and the requirements for reprocessing of antiseptic wood.

1、明確木材防腐劑和防腐木材的使用環境

1. Clarify the use environment of wood preservatives and antiseptic wood

世界上大多數國家都根據本國的具體情況，按照木材和木材制品在不同的使用環境中可能受到的生物敗壞因子對木材和木制品的危害程度進行分級，并規定不同危害等級中可以使用的木材防腐劑，和推薦用這些防腐劑處理的木材中應該達到的活性成分保持量和透入深度。用戶可以根據自己的要求，從中選用Z適合的木材防腐劑和防腐木材。出口的可以根據客戶的具體要求執行。我國建設部和國家質量監督檢驗檢疫總局于2002年4月25日聯合發布了國家標準GB 50206-2002“木結構工程質量驗收規范”。在該規范中將木材和木結構的使用環境分為三級：HJ I、HJ II、HJ III。

Most countries in the world grade wood and wood products according to their specific conditions, according to the degree of damage to wood and wood products caused by biological deterioration factors that may be exposed to wood and wood products in different use environments, and specify the wood preservatives that can be used in different hazard levels, as well as the retention amount and penetration depth of active ingredients that should be reached in the wood that is recommended to be treated with these preservatives. Users can select wood preservatives and anti-corrosion wood suitable for Z according to their own requirements. Exports can be executed according to the specific requirements of customers. The Ministry of Construction and the General Administration of Quality Supervision, Inspection and Quarantine jointly issued the national standard GB 50206-2002 "Code for Quality Acceptance of Timber Structures" on April 25, 2002. In this specification, the service environment of wood and timber structure is divided into three levels: HJ I, HJ II and HJ III.

HJ I：木材和復合木材在地面以上用于：

HJ I: Wood and composite wood above ground for:

1） 室內結構；

1) Interior structure;

2） 室外有遮蓋的木結構；

2) Outdoor covered wooden structure;

3） 室外暴露于大氣中或長期處于潮濕狀態的木結構。

3) Wooden structures exposed to the atmosphere or in a humid state for a long time.

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