some information about stone wash

2. Submitted
To
Submitted
By
1. ROKAIYA HASAN BTE01205702
2. ARAFAT RAHMAN BTE01205703
3. MASUD RANA BTE01205705
4. RAHUL SARKAR
BTE01205711
Name of the Lecturer: Rafiul Islam
Department of Textile Engineering
Port City International University

3. Stone Wash
Stone washing is a textile manufacturing process used
to give a newly manufactured cloth garment a worn-in
(or worn-out) appearance.
Stone-washing also helps to increase the softness and
flexibility of otherwise stiff and rigid fabrics such as
canvas and denim.
 To create or produce irregular fading
 To remove dust, oil spot, impurities from the garments.
 To improve softness.
 To achieve the buyer washing standard.

4. Garments loading with Stone
Desize
Rinse
Stone wash
Extract
Unload
Tumble dry
Rinse
Soften

5. ▰ Pumice is a natural volcanic stone used for stone washing garments. It is crystallized
with substantive pores.
▰ Pumice is mostly used for stone washing due to its durability to chemicals treatment,
it's strength and light weight.
▰ In order to get the desired washed effect, the stone should be of proper hardness, shape,
and size.
▰ For heavy weight denim fabric large and hard stones are suitable and smaller and softer
stones are suitable for light weight denim. Stone wt. /fabric wt. = 0.5 to 3 /1
▰ The degree of colour fading during stone washing depends on several factors, such as,
garment to stone ratio, washing time, size of stones, material to liquor ratio and load of
garments.
▰ The washing time may varies from 60 - 120 min. Stones may be reused until they
disintegrate completely.

6. ▰ Garments are achieved the vintage or Old
look effect after stone washing.
▰ Desired shade is easily achieved by applying
stone washing.
▰ Stone washing makes the garments more
fashionable.
▰ Less time needed to achieve desired shade
than enzyme wash
▰ Stone washing may cause back
staining and re-deposition.
▰ Stones can cause wear and tear
effect on the garments.
▰ Stones can damage the washing
machine due to its higher abrasion.
▰ Increase the labor cost to remove
stone dusts from the finished
garments.
▰ Extra time needed to complete the
whole process due to removing stone
from the garments.