fibre classification
A vegetable fibre
cotton/linen
Strength of fibre is called
tenacity
Confirmatory for acetate fibres
acetone
A peptide fibre
a. cotton
b. wool
c. nylon
wool
what is the quality of drapability
Flexibility
Odour for animal fibres
burning hair smell
an amide fibre
a. silk
b. nylon
c. polyester
nylon
Does good elastic recovery contributes to good resiliency?
yes
Ash type for synthetic fibres
hard, black
A natural fibre with good elastic recovery
wool
Baisc requirement for a textile fibre
length to breadth ratio greater than 100
How you differentiate nylon and polyester by chemical test
use of phenol/ nylon dissolves in phenol/ use of meta cresol
A fibre with low resiliency
cotton
A natural filament fibre
silk
The chemical used to differentiate animal fibres from vegetable fibres
5% NaOH