Wood equivalent system for wood materials and products of various transformation degrees

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Ewa Ratajczak
Poznań, Instytut Technologii Drewna, 2001
ISBN 83-909723-5-2

(Polish language version)

CONTENTS

Introduction 7
1. Analysis of raw material consumption of wood materials manufacturing in Poland
    in comparison with the west-European countries
14
2. Development of principles of the wood equivalents system for wood materials
    and products in Poland
29
    2.1. Conception of the wood equivalents and general principles of the system 29
    2.2. Elements of the wood equivalents system and main relations 33
    2.3. Conditions of efficient operation of the wood equivalents system 36
3. Definition of wood equivalents for wood products of various transformation degrees 40
    3.1. Conversion rates for various forms of roundwood 40
    3.2. Wood equivalents for wood materials 43
    3.3. Wood equivalents for finished products 72
    3.4. Wood equivalents for wood products of marginal significance 81
4. Comparative analysis of the developed wood equivalents system and a system used
    in Germany
83
    4.1. Main analogies and differences 83
    4.2. Exemplary applications of the wood equivalents system in Germany 86
5. Analysis of trade flows of roundwood, wood materials and products in Poland
    in the 1996-1998 period (acc. to wood equivalents system)
93
    5.1. Exports of wood and wood products in the 1996-1998 period 94
    5.2. Imports of wood and wood products in the 1996-1998 period 97
    5.3. Balance of foreign trade in wood and wood products in Poland
           in the 1996-1998 period
100
Conclusions 103
Cognitive 104
Concerning application, utilitarian 108
Appendix 111
Literature and source materials 118