How to choose and use the low-foaming washing powder produced according to the standard?
Low-foaming washing powder is closely related to daily life, but low-foaming washing powder has certain toxicity. If it invades the human body, it will lead to hemolysis, thymus gland damage, decreased body resistance, diarrhea, weight loss, spleen atrophy, liver cirrhosis, etc. Therefore, you can only use it with confidence if you choose a qualified product.
The low-foaming laundry detergent produced according to the standard is usually marked with two performance marks of numbers and words on the package:
Numeric model designation indicating performance
The digital model mark indicates the surfactant content, and the level of the surfactant content is the main determinant of the detergency. For example, type 30 means that its surfactant content is 30%, which is a high-grade washing powder, which can wash wool and silk; type 20 means that its surfactant content is 20%, which is a low-grade alkaline washing powder, suitable for washing hemp fabrics ; There are 25, 28 and so on.
wordmark indicating performance
Mainly divided into five categories:
(1) High-foaming type (ordinary type), low-foaming washing powder is suitable for manual washing;
(2) Low-foaming type, containing polyether and soap ingredients, high efficacy and less foam, easy to rinse, and is specially used for washing machines;
(3) Bleaching type, containing sodium borate or sodium percarbonate, has a bleaching effect in hot water above 60°C, and is suitable for washing white clothes;
(4) Enzyme-added type, containing biocatalysts, which can decompose sweat, milk and blood stains on clothes, and it has the best effect when used in 45°C water;
(5) Brightening type, containing fluorescent whitening agent, white clothes can be brightened, and colored clothes can be brightened.
If consumers have no way to determine whether the product uses the "national standard", it is better to choose a quality-assured washing powder such as inspection-free products and branded products. First, they must identify the trademark, and do not buy those that do not have obvious place names or factory names. ; Second, pay attention to the selection of appearance, and third, do not buy from unlicensed stalls, so as not to be fooled.
