BS 6091-2:1987

National foreword
Committees responsible
Methods
Introduction
1. Scope
2. General notes on tests
3. Dimensions
4. Tensile strength of flat sheets
5. Tensile strength of rods
6. Tensile strength of tubes of internal diameter up
     to and including 50 mm
7. Flexural stress at rupture of flat sheets
8. Flexural stress at rupture of rods
9. Compressive strength of corrugated sheets
10. Compressive strength of rod and tube
11. Bursting strength of flat sheets up to and
     including 0.8 mm in thickness
12. Tearing resistance of flat sheets up to and
     including 0.8 mm in thickness
13. Density
14. Water absorption
15. Electric strength of flat and corrugated sheets
     up to and including 3 mm in thickness
16. Electric strength of tubes up to and including
     100 mm in internal diameter
17. Arc resistance
18. Chloride content
19. Sulphate content
20. Ash content
21. Flexibility of flat sheets up to and including
     1.5 mm
22. Moisture content
23. Internal ply strength of flat sheet of thicknesses
     up to and including 10 mm
Figure
1. Specimen for tensile strength test on tube

Specifies methods of test for vulcanized fibre sheets, flat or corrugated sheets, round rods and round tubes suitable for use as electrical insulation. Excludes material made by combining with an adhesive several thicknesses of vulcanized fibre.