BS 5669-1:1989

Foreword
Committees responsible
Methods
Section one. General
1. Scope
2. Definitions
Section two. Methods of sampling, conditioning and
preparation of test specimens and determination of
dimensions and mass of test specimens
3. Sampling
4. Conditioning of whole boards, test pieces and
    test specimens
5. Preparation of test specimens
6. Determination of dimensions and mass of test
    specimens
Section three. Methods of test for specific properties
7. Determination of dimension of boards
8. Determination of density
9. Determination of moisture content
10. Determination of bending strength by applying a
    load perpendicular to the plane of the board
11. Determination of modulus of elasticity
12. Determination of tensile strength
13. Determination of panel shear strength and panel
    shear modulus
14. Determination of transverse shear strength
15. Determination of concentrated load strength
16. Bond durability tests
17. Determination of surface soundness
18. Determination of resistance to axial withdrawal of
    wood screws inserted in the face or edge of the
    board (face and edge screw holding)
19. Determination of increase in mass (water absorption)
    and thickness (swelling) due to general absorption
    of water
20. Determination of changes in length, thickness and
    mass after conditioning at 35% r.h. and 85% r.h.
21. Determination of resistance to impact (impact
    strength)
22. Determination of extractable formaldehyde
23. Determination of relative creep, fractional recovery
    and permanent set
24. Determination of compression strength
25. Determination of grit content
26. Determination of performance of flooring boards:
    large scale test
Appendices
A. Cross-references for the test methods and the
    requirements specified in BS 5669: Parts 2 and 4
B. Guidance on the use of quality control charts and
    methods of sampling
Tables
1. Relationship between concentration of calibration
    solutions and the volume of standard formaldehyde
    solution
2. Test methods required for the requirements specified
    in BS 5669: Parts 2 and 4
3. Factors based on BS 600
Figures
1. Measurement of length and width using a sliding
    caliper
2. Measurement of edge straightness
3. Measurement of squareness of boards
4. Measuring points on the test specimen
    for determination of density
5. Method of supporting test specimens under load
6. Load-deflection curve for modulus of elasticity
7. Test specimen for determination of modulus of
    elasticity in tension
8. Apparatus for determination of tensile strength
    perpendicular to the plane of the board
9. Test specimen and apparatus for determination of
    panel shear properties for boards of thickness up
    to and including 25 mm
10. Jig for location of reinforcing pads
11. Test specimen and apparatus for determination of
    panel shear properties for boards of thickness
    over 25 mm
12. Shearing tool for determination of transverse shear
    strength
13. Support arrangement for concentrated load test
14. Stirrups for supporting the test specimen and
    applying a load to the screw head
15. Metal fixture for measuring change in length
16. Position of impact test for testing jointed boards
17. General view of impact test apparatus
18. Impact test: supporting frame for test specimen
    and test apparatus
19. End points of failure in impact test
20. Figure deleted
21. Jig for applying laod for static bending and creep
    tests with test specimen in position
22. Measurement of width and length of test specimens
    for determination of relative creep, fractional
    recovery and permanent set
23. Layout of flooring members
24. Typical large-scale flooring test arrangement

Selection of boards, sampling and conditioning of boards and test pieces, preparation of test specimens from test pieces and tests for determining specific board properties.