IS 3689 : 1966 Conversion factors and conversion tables for yarn counts

UDC 677.061 : 53.081 : 511.168.3 TXD 1
Reaffirmed 2018

1 Scope

1.1 This standard defines the various count systems and provides factors andformulae for inter-conversion of yarn counts. Tables for inter-conversion ofvalues in traditional count systems and Tex System are also included in thisstandard.

1.2 The procedure for obtaining rounded values of tex based on ISO/R 271-1962`Implementation of Tex System for designating the size of textile fibres, yarnsand similar structures` has been given.

2 References

IS 2 :1960 Rules for rounding off numerical values

IS 786 :1956 Conversion factors and conversion tables