Formaldehyde is no stranger to us, and even some people are very afraid of formaldehyde, after all, because formaldehyde causes the number of leukemia patients in mainland China is also increasing every year, so we must have a deep understanding of formaldehyde.
We need to know what formaldehyde is, what are the characteristics of formaldehyde, so for interior decoration, formaldehyde and other toxic substances, what pollution will be caused, this is what we need to know clearly.
Formaldehyde is a colorless gas with a pungent odor, formaldehyde is relatively soluble in water and ethanol, 40% of the aqueous solution does not become formalin, formaldehyde also has the ability to reduce,
It can form an explosive mixture in vapor and air, so it is very dangerous. In 2017, formaldehyde was included in the list of carcinogens by the World Health Organization's International Cancer Research Institute.
After Mr. Lin's new house was ventilated and dried for more than half a year, the couple moved into the new house with their 4-year-old daughter. Only one month after moving into the new house, Mr. Lin's daughter suddenly developed symptoms such as persistent high fever and cough, and was diagnosed with acute leukemia by the hospital, and her 4-year-old daughter died due to ineffective treatment.
After his daughter was diagnosed with acute leukemia, Mr. Lin commissioned the municipal environmental monitoring station to monitor the air in the master bedroom of the new house, and according to the monitoring report, the formaldehyde content was 0.39mg per cubic meter, which exceeded the prescribed standard by 4 times.
The harm caused by decoration pollution should not be underestimated, many people know that formaldehyde volatilization time can be up to 15 years, but most people do not know why there is such a long release cycle, and even have doubts.
This figure is summarized after rigorous verification.
The release period of formaldehyde is generally 3-15 years. This also proves the sentence that "formaldehyde volatilization time can be up to 15 years".
And Qing / Hua / Teaching / Professor / Zhang Yin / Ping also revealed: "Both research and life experience have shown that after more than ten years, formaldehyde still cannot be volatilized is very common. Therefore, it is unrealistic to expect that formaldehyde will be emitted clean after a few months of opening windows for ventilation. ”
In addition, the frequent real cases in recent years have verified that this statement is not easy to come by.
There are two main regulations on indoor air quality in China:
The first is the "Indoor Air Quality Standard" GB/T18883-2022, which requires that the minimum standard for human living environment is formaldehyde content ≤0.08mg/m³;
The second is the "Code for the Control of Indoor Environmental Pollution in Civil Buildings" GB50325-2020, which requires the indoor formaldehyde content of Class I civil construction projects to be ≤ 0.07mg/m³, such as residences, kindergartens, schools, etc., and the indoor formaldehyde content of Class II civil construction projects ≤ 0.08mg/m³, such as gymnasiums, restaurants, libraries, etc.
When the following three situations occur, it means that the indoor "formaldehyde exceeds", and it must be paid attention to
Scenario 1: The child is not energetic
Children's resistance is relatively weak, and they are particularly sensitive to changes in the environment, if the indoor formaldehyde content exceeds the standard, then it may cause great harm to children.
After moving to a new home or changing to a new environment, you must pay attention to the state of the children at home and some physical changes.
If you find that the child suddenly becomes very honest, lacks energy, has no vitality, and does not like to jump and jump as usual, it is likely that the formaldehyde content exceeds the standard, which affects the physical health.
When children are unwell, they will show lack of energy, and it is difficult for them to describe this discomfort, so parents and friends are reminded that when they find some abnormal conditions in their children, it is best to go to the hospital for examination to protect their children's health.
Scenario 2: A family member has skin allergies
In the case of excessive indoor formaldehyde content, it is easy to cause skin allergies and other symptoms, so when the family has skin allergies, it is likely to be caused by excessive indoor formaldehyde content, which also needs to be paid attention to.
Some friends may experience body itching, rashes, etc., after moving to a new home, some friends will feel that this is caused by the change of seasons or some other factors, and few people will consider the impact of formaldehyde.
In fact, in the case of excessive indoor formaldehyde content, it will also cause symptoms of skin allergies, so everyone should also pay special attention.
Condition 3: Frequent eye soreness and discomfort
Formaldehyde has a certain irritation, and will also produce some anesthesia to the nervous system, if the indoor formaldehyde content exceeds the standard, then it is easy to have sore eyes, tears and dizziness.
If the family often has the above problems after moving to a new home, then it is best to go to the hospital for examination in time, and it is best to move out of the new house as soon as possible, and then consider moving to a new home when the indoor formaldehyde content reaches a qualified value
The "big formaldehyde household" has found out: these 4 "daily necessities" don't buy at home, they are releasing formaldehyde every day
1. Oil-based latex paint
Oil-based latex paint contains a large amount of formaldehyde, and if oil-based paint is used during decoration, formaldehyde will be difficult to volatilize in the new home.
Therefore, do not use oil-based paint to paint the wall, try to use water-based topcoat and primer.
2. Inferior sofas
Generally speaking, the sofa is composed of three parts: frame, filling, and fabric outsourcing, which has become an indispensable part of every family.
When man-made panels are combined and shaped, adhesives will inevitably be used, and as long as they are adhesives, they will definitely contain formaldehyde.
In addition, the fabric outsourcing of sofas also has formaldehyde hidden dangers. In order to make the fabric have better comfort and ornamentality, the manufacturer will soak the fabric in formaldehyde, because formaldehyde has a high degree of wrinkle removal and anti-deformation effect.
As a result, formaldehyde is also present in the fabric of the sand layer.
So, lying on the couch is equivalent to lying on formaldehyde!
3. Plates
Plates, due to different production processes, the degree of environmental protection is also different. The naming and environmental friendliness of all panels are related to the respective production process.
For the decoration of customized wardrobes and cabinets, a large number of boards will be used, with particleboard veneer, and a large number of acetal glue bonding, and the amount of formaldehyde released will be doubled in this process.
At present, the mature glues in the plate market include urea-formaldehyde glue and phenolic glue, which will release a large amount of formaldehyde.
The custom wardrobe when we decorate is directly assembled on site after the manufacturer seals the edges, but if you go to the market to select the finished panel furniture, many hidden constructions cannot be seen.
4. Auxiliary materials such as sewing agents
Sometimes people are easy to fall into the misunderstanding, thinking that only some large materials will produce formaldehyde, in fact, some small or auxiliary decoration materials or accessories also contain a large number of harmful gases, such as auxiliary materials such as sewing agents.
In fact, those who have used the beauty sewing agent know that he has a pungent smell, because it also has harmful substances such as V o C and formaldehyde, which is no less dangerous / harmful to the body / health / than latex paint, so be careful when using it, if you do not pay attention to it will also constitute a threat / threat / threat to our / health / health.
For the health of our families, we must remove formaldehyde in a timely manner, but before that, we must understand that formaldehyde removal is not a project that can be completed in a short time, and the formaldehyde emission time is generally 3-6 months, so we need to continue to remove formaldehyde.
1: Alvis formaldehyde scavenger is a highly efficient indoor air purifier, specially designed for formaldehyde, benzene, ammonia and other harmful substances. Its excellent scavenging efficiency can quickly penetrate and capture formaldehyde hidden inside structures such as plates, and then quickly decompose it into harmless carbon dioxide and water, and this decomposition process itself does not produce new harmful compounds, so it can effectively prevent the volatile release of formaldehyde from the source.
The ingredients of Alvis formaldehyde scavenger are safe and reliable, free of oxidants, alcohol and fragrances, and are very safe for families. Tested by professional testing institutions, the efficiency of this product to remove formaldehyde is as high as 91%, which is a favorable player for removing formaldehyde.
2: Activated carbon:
Activated carbon itself has a certain effect on the adsorption of harmful substances and volatile harmful gases, so it can be used to effectively adsorb formaldehyde, especially in the newly renovated indoor environment or in the case of excessive formaldehyde, it is an effective choice.
Three: Yiya formaldehyde deep scavenger: The composition of this formaldehyde scavenger is mild, which effectively improves the free state and the formaldehyde inside the plate, and the decomposition products are pollution-free.