Clint, magic, dishwasher, magic erasers wholesalesponge wipe formaldehyde is really harmful to the human body?
My opinion is as follows:
1: For these Eastern countries, there should be no national standards, the konjac sponge companytheir raw materials contain formaldehyde precursor, if the process is not up to standard, will inevitably continue to release formaldehyde, resulting in a certain range of formaldehyde concentrations. However, if it is packaged in a small enclosed box, measuring the air in the box does not exceed the standard, which belongs to Zhang Guanli, forcing it to put the formaldehyde cap over the standard. Any similar product will generally release a certain amount of formaldehyde, the key is its release rate and release time. If you follow the method shown in the video, almost any product can be found to exceed the standard. After all, in a small enough space and a long enough time, the formaldehyde released can always reach a high concentration. Leaving the detection space and accumulating time to talk about exceeding standards is hooliganism.
2: These erasers are generally used for washing tableware or chopsticks or writing on the blackboard. individually wrapped sponges bulkThe human body does not have much contact time, and direct contact with the skin generally does not cause formaldehyde to enter the human body and cause harm. Formaldehyde acts on human body mainly through breathing into alveoli to further produce toxic effects. If the eraser is inferior and used for a long time (for example, the teacher has been holding it in his hand), the formaldehyde emitted may cause the local concentration to be too high, which is harmful to the human body.
3: The volume and mass of these eraser are relatively small, the total amount of formaldehyde precursors is not too high, the scope of the impact of the release will be relatively small, as long as the place where it is placed has good ventilation, generally will not cause excessive indoor formaldehyde concentration. Relatively speaking, poor quality home decoration due to the large volume, fast release speed, it is easy to cause indoor formaldehyde concentration is too high, thereby endangering the human body.
In general, if long-term exposure (teachers) may cause some harm, only short-term exposure (washing dishes) does not cause harm, and these corrosives are unlikely to be responsible for indoor air formaldehyde pollution, the widespread poor quality of indoor home decoration is our main concern