We soil light-weight-colored carpet with unique soils: purple wine, oil/dirt (blend of oil and a dye), sauce (blend of tomato and soy sauce) and milk espresso. The stains are still left to dry more than a range of times. The carpet is reduce into 10cm x 10cm squares. The reflectance values of the stained tiles are taken right before and soon after cleansing to determine the soil elimination percentage. We used several approaches of cleansing, according to instructions per pack (we replicate the examination a minimum of 4 times for each individual tile):

Technique 1 – 5mL of solution is used to the centre of the carpet square and still left for a established amount of money of time. A damp fabric is then applied to therapeutic massage the product or service into the carpet for 30 seconds, the carpet tile is then still left to dry. 

Process 2 – 5g of products is utilized to the centre of the carpet sq. and a cloth is applied to therapeutic massage the product or service into the carpet for 30 seconds. The carpet is still left for a set time, then the tile is vacuumed. 

System 3 – 5g of product or service is applied to the centre of the carpet square. The carpet is still left for a established quantity of time, then the tile is vacuumed. 

System 4 – 5mL of product or service is utilized on to the centre of the carpet sq. and brushed in for 30 seconds, and the carpet square is left for a established time. Then a moist fabric is then utilized to therapeutic massage the products into the carpet for 30 seconds, and the carpet tile is still left to dry.