Plant dyes are extracted from raw materials such as flowers, shells, fruits, leaves and so on through multiple processes, powdering-extracting-ultrasonic processing-concentrating-air drying.
Plant dyes can be used for cotton, linen, silk and wool dyeing. They
have no side effects on our body. With natural color, well texture and pleasant
fragrance, the dyed fabrics are the best choice for high grade garments.
Dosage: 0.5~5%(o.w.f), different usage according to color deep requirement
a. Dyeing for cotton fabrics:
(1) Modification processing: natural modifier dosage is 1-2 times weights of cotton
fabric, 95°C/30min ----washing----dyeing
(2) Dyeing processing: 95°C/60min(pH 3-4) ----washing----soaping (soaping
agent 5g/L, boiling 1-2min) ----washing----drying
b. Dyeing for wool and silk fabrics:
Adopt acid- boiling dyeing for both wool and silk fabric.
Adjust pH with glacial acetic acid. pH for dyeing wool fabric is 4. pH for silk
fabric is 5.