1 Scope
2 Normative references
3 Apparatus
3.1 Principle
3.2 Fibre holding fixture
3.3 Fibre rotator
3.4 Deflection measurement device
3.5 Computer (optional)
4 Sample preparation
5 Procedure
5.1 Mounting of the fibre
5.2 Rotation
5.3 Calculation
6 Results
7 Specification information
Annex A (normative) Fibre curl by side view microscopy
Annex B (informative) Fibre curl by laser beam scattering
Annex C (informative) Derivation of the circular fiber curl model
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications