What methods can be used to remove sweat stains?
Release Time:
2010-04-30 16:07
Source:
www.chinalaundry.cn
Sweat stains usually appear under the armpits of clothes. However, any part of the clothing that comes into contact with the body can potentially get sweat stains. Sweat contains fats, oils, moisture, and various impurities unique to each person. Initially, sweat stains are not visible, but over time and with the heat from washing and ironing, the sweat stains oxidize and turn yellow.
If the clothing is dry-cleanable, the remaining stains usually contain water-soluble impurities. Neutral synthetic detergents and ammonia or protein-based formulas typically help lighten the stains. If stains persist, use auxiliaries or enzymes. Using hydrogen peroxide solution can remove the last residual sweat stains. Test colorfastness by dropping a few drops of 3% hydrogen peroxide solution on an unexposed area of the fabric. If there is no color fading or bleeding, soak the garment. Add about 0.13 kg of bleach to every 4.55 liters of warm water, then soak for several hours. This may cause shrinkage or texture changes, so obtain the customer's consent before washing.
One of the most common causes of yellow or brown stains on sweaters is due to consumers spilling or coming into contact with tannins or sugars. These substances are found in sugar cubes, alcoholic beverages, fruit juices, coffee, tea, soft drinks, and many other drinks and foods. Any sugar or tannin substance evaporates and becomes invisible once dry on the fabric, but residues remain on the fabric. When these stains stay on the clothing for a long time or due to the temperature during washing or ironing, these residues oxidize and become visibly noticeable.
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