GB/T 29900-2013 English PDF

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GB/T 29900-2013: Field test method for evaluation of wood preservatives by ground proximity decay
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 29900-2013	189	Add to Cart	3 days	Field test method for evaluation of wood preservatives by ground proximity decay	Valid

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Basic data

Standard ID: GB/T 29900-2013 (GB/T29900-2013)
Description (Translated English): Field test method for evaluation of wood preservatives by ground proximity decay
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B71
Classification of International Standard: 71.100.50
Word Count Estimation: 8,835
Quoted Standard: GB/T 13942.2-2009; GB/T 18261; GB/T 27651-2011; LY/T 1283
Regulation (derived from): National Standards Bulletin No. 22 of 2013
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies: various wood preservatives field near ground tests and assessment. The test conditions for GB/T 27651-2011 requirements -C3. 2 class wood preservative. This standard applies to: all kinds of wood preservatives.

GB/T 29900-2013: Field test method for evaluation of wood preservatives by ground proximity decay

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Field test method for evaluation of wood preservatives by ground proximity decay ICS 71.100.50 B71 National Standards of People's Republic of China Field performance evaluation of wood preservatives Near Ground Test Method Issued on. 2013-11-12 2014-04-11 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard was proposed by the State Forestry Administration. This standard by the National Standardization Technical Committee timber (SAC/TC41) centralized. This standard was drafted. Guangdong Academy of Forestry, Maoming City Forestry Research Institute, Chinese Academy of Forestry Wood Industry Research Institute, four Sichuan Province Heng Greek Wood limited liability company. The main drafters of this standard. Xiegui Jun, Zhang Yanjun, Pang Weifeng, Maxing Xia, Chen Lifang, He Xuexiang, Su Haitao, Ma Hongxia, Wen Qinghui. Field performance evaluation of wood preservatives Near Ground Test Method

1 Scope

This standard specifies the various wood preservatives field near ground test evaluation. Test conditions GB/T 27651-2011 provisions C3.2 class wood preservative. This standard applies to all kinds of wood preservatives.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 13942.2-2009 durability of wood - Part 2. Test methods for natural durability Field GB/T 18261 Test Method Fungicide wood blue stain fungi and mildew prevention GB/T 27651-2011 wood preservative use classification and requirements LY/T 1283 - rotting wood preservatives laboratory toxicity test methods

3 Equipment

3.1 Balances Accuracy of 0.1g. 3.2 vernier caliper Accuracy of 0.02mm. 3.3 Humidity Chamber Available temperature (26 ± 2) ℃, relative humidity of (80 ± 2)% constant environment.

4 Materials

4.1 test material 4.1.1 the choice of species Masson pine wood taken from the test material (PinusmassonianaLamb.) Or slash pine (P.elliottiiEngelmann) sapwood portion. 4.1.2 test material requirements Test material should be healthy and free from defects, knots, stress wood, juvenile wood, twill excessive physical or other obvious defects does not exist, no mildew, discoloration, Decay or insects and not subjected to any chemical treatment. ......

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