PREVIEW OF COMPARATIVE TESTING OF HOUSEHOLD DETERGENT POWDERS
The household detergent powders or washing powders are most commonly used washing materials in India as well as across the world. The laundry soap which was used few decades back, for washing of fabrics, has limitations to perform in highly alkaline or acidic water.
Indian standard has defined 3 grades (1, 2 and 3) as per specified requirements of IS:4955.
Indian standard IS: 4955 has prescribed percentage detergency as a performance test that establishes how well detergents can remove the dirt from the standard soiled fabrics.
The detergent market in India consists of two major categories: hand-wash and the machine-wash categories. Within these categories, these are further categorized in the variants/types based on the prices & usage namely PREMIUM, SUB-PREMIUM; REGULAR & ECONOMY MEANT FOR AUTOMATIC WASH MACHINES; SEMI-AUTO WASH MACHINES; BUCKET/TUB WASH AND HAND WASH RESPECTIVELY. In the machine-wash segment, powder detergents and liquid detergents are the main types.
In general detergent powder shall be free from any unpleasant odour and shall posses good lathering and cleaning properties. Detergent shall confirm to the requirements of relevant Indian IS:4955. The synthetic detergent powder shall be lowest on phosphates, filler materials and also be non injurious to skin and fabrics.
Popular brands are Surf, Rin, Henko, Ariel, Tide, Mr. White, Nirma, Active wheel, Fena, Ghari etc. The price range varies from Rs.50 to Rs.200 per kg.
Environment friendliness of detergents is an ECOMARK aspect on which there are no clear answers as of now. However Indian standard IS 4955 is under revision where requirement of phosphate and STPP has been changed with reduced values.
Comparative testing of household detergent powders has been carried out in a NABL accredited laboratory and test parameters are adopted from Indian standard IS 4955.
Detailed test findings on various parameters including percentage detergency and ash built up will be available in soon. Please drop us your email id here if you wish to know the results as soon as they are published.