BS 5F 100:1991

Foreword
Committees responsible
Section 1. General
1. Scope
2. Information to be supplied by the purchaser
3. Definitions
4. Certification
5. Sampling and testing
6. Conditioning
7. Maintenance of identity
8. Final marking
Section 2. Quality requirements
9. Manufacture
10. Dyed textiles
11. Flammability, smoke density, toxic gas emission
     and heat release
12. Dimensions and tolerances
13. Freedom from corrosive impurities
14. Freedom from microbiological growth
15. Freedom from faults
16. Freedom from corrosive action
Section 3. Physical tests
17. Determination of the number of threads, wales or
     courses per unit length in fabrics, and total hole
     count for plain (bobbin) netting
18. Mass and mass variation across the width
19. Breaking strength and extension under force
20. Bursting strength
21. Tearing strength
22. Dimensional changes by cold water immersion
23. Dimensional stability on heating
24. Water repellency
25. Sheath slackness and core looping of braided cordage
26. Plaits per unit length in braided cordage
27. Turns per unit length in cordage (lay length)
28. Diameter of ropes
29. Air permeability of parachute fabrics
30. Flexibility of fabrics
31. Doping properties
32. Flammability tests
33. Air porosity of coated fabrics
34. Effect of twisting on air porosity of coated fabrics
35. Waterproofness of coated fabrics
36. Reflecting power of aluminium facing
37. Hydrogen permeability
38. Lateral leakage
39. Ply adhesion
40. Adhesion of surface coating
41. Tape adhesion
Section 4. Chemical tests
42. Introduction
43. Conductivity of aqueous extract
44. pH value of aqueous extract
45. Water extractable matter
46. Water soluble chloride
47. Water soluble sulphate
48. Traces of iron and copper
49. Solvent soluble matter
50. Residual alkali solubility
51. Size content of starch sized fabric
52. Detection of silicone in fabrics
53. Determination of the silicon content of fabrics
54. Corrosion test
Appendices
A. Faults, methods of marking and acceptance limits
B. Marking media for textiles
C. Determination of water repellency of fabrics
Tables
1. Normal sampling frequency
2. Marking
3. Dye fastness
4. Width tolerances of narrow fabrics
5. Faults and repairs for braided cordage
6. Faults and repairs for laid cordage
Figures
1. Determination of total hole count
2. Example of selection of breaking strength test
     specimens
3. Bursting strength apparatus
4. Specimen for tearing strength test (tongue tear
     method)
5. Marking diagram for dimensional stability tests
6. Thread loop and tensioning weight suspended on
     testing frame
7. Measurement of diameter of rope
8. Apparatus for air permeability test of parachute
     fabrics
9. Test frame for doped fabric
10. Cabinet for vertical strip flammability test
11. Cabinet for horizontal strip flammability test
12. Permeameter for air porosity, waterproofness and
     lateral leakage testing of coated fabrics
13. Apparatus for determination of hydrogen permeability
14. Preparation of specimen for annular cut edge leakage
     test
15. Preparation of specimen for cut edge and surface
     leakage test
16. Apparatus for adhesion test
17. Design of corrosion test chamber
18. Method of suspending panel in test solution
19. Visual comparison of wet specimens

Includes inspection requirements, test methods and acceptance limits for knitted fabrics, and criteria to minimize degradation by marking media.