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Updated WHO specifications for netting materials and mosquito nets - page 3 / 34

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Technical consultation on specifications and quality control of netting materials and mosquito nets

LIST OF CONTENTS

EXECUTIVE SUMMARY BACKGROUND 1. Introduction 2. Physical characteristics of netting materials for mosquito nets

iv v 1 2

3. Minimum general specifications for mosquito nets 3.1 Mesh count 3.2 Bursting strength of netting materials 3.3 Bursting strength of seams 3.4 Dimensional stability 3.5 Durability and storage stability

3 3 4 5 5 6

4. Other physical characteristics of netting material for mosquito nets 4.1 Yarn composition 4.2 Fabrication method 4.3 Filament texture and filament count of yarn 4.4 Linear density 4.5 Weight of netting material 4.6 Fire safety 4.7 Air permeability 4.8 Water and insecticide uptake 4.9 Pesticide bioavailability and retention in field-treated nets

8 8 8 9 9 10 10 11 11 12

5. Guidelines for procurement and quality inspection of mosquito nets Outline of content 5.1 Netting material 5.2 Physical attributes of the nets 5.3 Reference samples 5.4 Treated or untreated nets 5.5 Labelling 5.6 Information related to the insecticide intended for field treatment other than long-lasting insecticide treatment kits 5.7 Packaging of bales of nets 5.8 Procurement process 5.9 Quality inspection 5.10 Sources of information 5.11 Actions to consider

13 13 13 13 13 14 14

14 15 15 15 15 16

6. WHO updated specifications for netting materials and mosquito nets 6.1. Description (note 1) 6.2. Physical properties (notes 2 & 3)

17 17 17

ANNEX. LIST OF PARTICIPANTS

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