What is the risk of excessive formaldehyde?

Formaldehyde is arguably the most harmful gas affecting the environment of family life. Formaldehyde exceeding the standard is a headache for many families, what are the harms of formaldehyde exceeding the standard? Formaldehyde exceeds the standard is mainly furniture, paint, etc. contain formaldehyde exceeds the standard, formaldehyde exceeds the standard how to do? What can be done to remove formaldehyde? Here's a small compilation to do for you to organize the formaldehyde exceeding the standard of the harm of the complete information.
I,
summed up, formaldehyde exceeding the standard mainly has three serious hazards:
1. Allergenic effect: direct skin contact with formaldehyde can cause allergic dermatitis, color spots, necrotic death, inhalation of high concentrations of formaldehyde can induce bronchial asthma
C.
.
2. Stimulation effect: Formaldehyde's main harm is the stimulation of the skin mucous membranes, formaldehyde is a raw slurry toxic substance, can be combined with proteins, high concentrations of inhalation when the respiratory tract serious irritation and edema, eye irritation, headache.
: High concentrations of formaldehyde are also a genotoxic substance. Experimental animals can cause nasopharyngeal tumors when inhaled at high concentrations in the laboratory.
, how can
know that formaldehyde content exceeds the standard? Generally speaking, the concentration of formaldehyde in indoor air is related to the following factors:
1. Indoor temperature
2. Indoor relative humidity
3. In high temperature, high humidity conditions will increase the intensity of radiation.
actual test data show that under certain conditions, the concentration of formaldehyde in the air in the living room environment can be gathered above the standard allowable level, and the release period is relatively long, in general, is 3-15 years.
3,
formaldehyde from four aspects
at present, China's urban and rural residents in the family formaldehyde mainly comes from four aspects:
1 is used for interior decoration plywood, carpentry board, medium density fiberboard and particle board and other artificial plates. Because formaldehyde has a strong adhesion, but also has to strengthen the hardness of the plate and anti-worm, anti-corrosion function, so the current production of artificial board adhesive is formaldehyde as the main component of the formaldehyde resin
; A comparative test conducted by a city consumer association showed that 29 of the 60 sets of medium density furniture models extracted exceeded the relevant national standards and exceeded the standard
, with an excess rate of 48.23%; In particular, experts caution that latex adhesives are widely used in wood works and wall treatment in decoration, especially formaldehyde, which is enclosed in latex on walls, and that
4 is an interior decoration textile, including bedding, wallpaper, chemical fiber carpets, curtains and fabric furniture. In textile production, in order to increase anti-wrinkle performance, waterproof performance, fire resistance, often add some formaldehyde additives.
4,
How to prevent formaldehyde
decoration: design in particular to fully consider the carrying capacity and ventilation of indoor space; The sawing port of the artificial plate should be coated with paint, so that it is fully cured to prevent formaldehyde distribution within the plate, in strict accordance with national standards for the selection of qualified interior decoration materials, the country has developed ten kinds of "interior decoration materials harmful substances limit" mandatory standards.
,
how to prevent formaldehyde
on furniture to buy furniture: purchase furniture in line with national standards, ask for "furniture instructions" to see if the content of formaldehyde is indicated. At the same time pay attention to the use of furniture materials, it is best to choose wood-paneled materials to seal a higher degree of furniture; Put it in it, if the purchase or use of large core plate furniture found in the use of irritating odor, spicy eyes, and found that family members, especially children such as frequent skin allergies, emotional anxiety, poor diet, continuous cough and other symptoms, should consider may be formaldehyde caused by the scourge, to take effective treatment as soon as possible.
Precautions
Formaldehyde detection and treatment: newly renovated houses and newly purchased furniture, or when the indoor air quality is not good, testing; At present, formaldehyde treatment products are mainly: air purifiers, indoor formaldehyde and other polluting substances have a certain adsorption effect: Mesd pie indoor formaldehyde coating can effectively decompose indoor formaldehyde; Equipment, furniture adsorption treasure, can be indoor formaldehyde and other harmful gases catalytic decomposition, formaldehyde closure agent, painted on unpainted furniture wall panels and artificial panels, can reduce formaldehyde release, the use of plant purification, hanging orchids, aloe vera, tequila and so on can reduce the concentration of indoor formaldehyde.
。