FASTNESS TO WASHING
水洗牢度測試方法和標準

Method: UNI EN 20105794 da C01 a C05
方法標準：UNI EN 20105794 自C01到C05

Washing by hand, test to carry out in laboratory
實驗室手洗牢度測試

Detergent required is washing powder without chloride 4 g/l, use150 g of this detergent solution for
要求使用不含氯洗衣粉。洗衣粉的加入量為4克/升。取溶有洗衣粉的水溶液150克，

the fabric sample of dimension 10x4 cm for 30 minutes at requiredtemperature in moving bath.
將10X4cm大小的樣布放入溶液中，將溶液設置在要求的溫度，搖洗30分鐘。

The fabric should be washed together with white fabric in order tocheck the losing colour.
樣布必須與一片白布一同洗滌，以檢測是否有洗下的顏色。

Temperature required depends on items, 20 癈, 30癈, 40 癈, 60癈. Lowtemperature for delicate
水洗的溫度取決于被測樣布的性質， 分別為20 癈, 30癈, 40 癈, 60癈. 易損或化纖樣布適用

and synthetic items, high temperature for white and coloured.
較低的洗滌溫度，白色或其它有色樣布可用較高的洗滌溫度。


Method: UNI EN ISO 105 C06/99, AATCC 61/69
方法標準：UNI EN ISO 105 C06/99， AATCC 61/69

By washing machine, test to carry out in laboratory
實驗室機洗牢度測試。

Detergent required is washing powder without chloride, the fabricsample of dimension 50 x50 cm,
測試用的洗衣粉中要求不含氯。樣布的大小為50X50cm。

wash the sample together with a white fabric in order to checklosing colour.
將樣布與一片白色面料一起洗滌， 以測試顏色脫落情況。

The machine cycle to use is according to nature of the items:
機洗條件取決于所冊樣不的性質：

white cotton items: 60 癈 for 60 minutes
白色全棉布： 60癈， 60 分鐘。

cotton coloured items: 40 癈 for 40 minutes
有色全棉布： 40癈， 40分鐘。

synthetic items: 40癈 for 30 minutes, soft spinning
化纖面料： 40癈， 30分鐘， 輕洗。

wool and delicate: 20 癈 for 30 minutes, no spinning
毛料及其它輕質面料： 20癈， 30分鐘， 無攪洗。

By washing machine, domestic and commercial washing
洗衣機可為家用或商用洗衣機。

Detergent required is washing powder without chloride, machinecycle for coloured items is 40 癈
洗衣粉為無氯洗衣粉。有色樣布的水洗條件為40癈， 40-60分鐘。

for 40 – 60 minutes.

Items labelling
牢度的標識

Fastness according to international commercial agreements among theparts should be more than 3/
根據國際商業協議，色牢度要求不低于3/4級(根據顏色可分為1-5級， 1為差， 5為好)，

4 (according to grey scale 1-5, 1 means bad, 5 means good), but thefastness grade depends on several factors like type of items, typeof dyestuff and nature of the products, consequently the
但是色牢度往往與很多因素相關， 例如成衣的類型，染料的種類，面料的性質等等，

fastness grade could be less.
所以牢度等級有可能會更低。

Before labelling as fast to washing at certain temperature,specially for high temperature, needs to
在成衣上標識某溫度下的水洗牢度， 特別是較高溫度下的水洗牢度時，還有必要檢測其

check also other parameters like fastness of colours (on printingand on dyed ground), dimensional 它參數，色牢度(指印花顏色和面料的染色)， 縮水率等。

stability of items.


Commercially is approved for items like T shirt, shorts and sportwear cloths (cotton , T/C, PES) 3
對T-恤，內衣或運動服(全棉， T/C， PES)，商業上認可的標準是：

washes at 40 癈 for 40 minutes, dried each times with the followingvalue:
40癈水洗40分鐘，洗3次， 每次干燥， 色牢度應符合：

Washing fastness 4 (on printing) 印花水洗牢度 4級，
3/4 (ground) 面料色牢度 3/4級。

Dimensional stability max 5 % 縮水 小于 5%。