CSA O437 SERIES : 1993

Technical Committee on OSB and Waferboard
Subcommittee on Board Properties
Subcommittee on Test Methods
Subcommittee on Binders
Preface
Introduction
0437.0
OSB and Waferboard
1 Scope
2 Reference Publications
3 Definitions
4 Types and Grades
   4.1 Types
   4.2 Grades
   4.3 Special Products
5 Dimensions
   5.1 Sizes
   5.2 Thicknesses
   5.3 Thickness Sizing-Rough Panels
   5.4 Sanding-Sanded Panels
6 General Requirements
   6.1 Process
   6.2 Materials
   6.3 Board Appearance
   6.4 Process and Quality Control
7 Test Requirements
   7.1 Properties
   7.2 Bases for Test Requirements
   7.3 Dimensional Tolerances
   7.4 Grade Properties
8 Marking
   8.1 General
   8.2 Marks
   8.3 Location of Marks
   8.4 Regraded Panels
   8.5 Duplicate Grade Marks
   8.6 Shop Panels (No. 2)
   8.7 Reject Panels (No. 3)
   8.8 Durability of Marking
Tables
Appendices
A - Special Products
B - Imperial Equivalents of SI (Metric) Values
C - Proving Tests
O437.1
Test Methods for OSB and Waferboard
1 Scope
2 Reference Publications
3 Moisture Content and Conditioning Requirements
   3.1 Moisture Conditioning
   3.2 Temperature
   3.3 Conditioning Tolerances
4 Test Specimens
   4.1 Selection
5 Test Methods
   5.1 Dimensional Properties
   5.2 Bond and Bond Durability Properties
   5.3 Physical Properties
   5.4 Mechanical Properties
Tables
Appendices
A - End-Use Performance Tests-A Listing
B - Test Methods for Engineering Properties-A Listing
0437.2
Evaluation of Binder Systems for OSB and Waferboard
1 Scope
2 Reference Publications
3 Definitions
4 General Requirements
   4.1 Process
   4.2 Materials
   4.3 Preparation of Test Boards
5 Test Requirements
   5.1 General
   5.2 Board Properties
   5.3 Creep Properties
   5.4 Retention of Properties
   5.5 Acidity
6 Test Methods
   6.1 Board Properties
   6.2 Creep Properties
   6.3 Resistance to Ageing
   6.4 Resistance to lower Ambient Temperature
   6.5 Resistance to Fungal Growth
   6.6 Resistance to Acid, Alkali, and Water
   6.7 Resistance to Higher Ambient Temperature
   6.8 Acidity
7 Marking
   7.1 General
   7.2 Identification
Tables
Figures

Relates to a class of mat-formed structural panelboards made predominantly of wood strands or wafers of a minimum and controlled length, a controlled thickness, and a variable or predetermined width, bonded together with a waterproof and boilproof binder.