Is raw lacquer poisonous?

Question 1: Is lacquer poisonous? What is lacquer? Lacquer, commonly known as "earth lacquer", also known as "national lacquer" or "lacquer", it is a milky white natural liquid from the lacquer tree. It is a milky-white pure natural liquid paint taken from the lacquer tree, which gradually turns brown after contacting the air, and the surface dries up and hardens to produce a lacquer film in about 4 hours. The economic value of raw lacquer is very high, with the characteristics of corrosion-resistant, abrasion-resistant, acid-resistant, solvent-resistant, heat-resistant, water-insulating and insulating, and glossy, etc. It is a high-quality coating for military industry, industrial equipment, agricultural machinery, capital construction, handicrafts and high-end furniture. It is also one of the important materials traditionally exported by China, which is famous for its high quantity and good quality.

Lacquer tree cut out of the lacquer liquid composition: lacquer phenol, gum, nitrogen, water and trace volatile acids, etc., of which nearly 80% of the composition is lacquer phenol. And the more content of lacquer phenol, the better the quality of lacquer. The enzyme in the nitrogen-containing material of lacquer can promote the oxidation of lacquer phenol, and the unique flavor of lacquer with a slightly sour taste is issued in this way.

Raw lacquer, will produce varying degrees of allergies:

Raw lacquer caused by human skin allergies is not yet fully known, mainly raw lacquer in the lacquer and a variety of volatiles caused by sensitization. Raw lacquer allergens invade the human body is the main pathway of the skin and the true cavity, the oral cavity of the pay film. Therefore, not only touching the raw lacquer and lacquer tree will have lacquer sores, some people smell the raw lacquer flavor, but also allergic to sores.

Raw lacquer mild allergy, only *** outside the part of the skin, such as face, back of the hand, finger cracks, and so on, and then to the neck, *** and other parts of the development, began to feel the swelling of the affected area, itchy, after scratching there will be a small red mounds of spots, the serious skin localized chickenpox-sized blisters, if the skin is scratched, it is easy to be infected and ulcerated. If the skin is scratched, it will be easily infected and ulcerated. However, it can be cured after treatment and will not leave any marks. So raw paint is still toxic to the human body.

Question 2: Boiling raw lacquer is toxic Allergy is toxic! To know your body is not going to lie, what human parsing is not to avoid it is toxic, allergy is the proof of toxicity, but not allergic does not mean no poison! Just look at the receptor is what, if it is the body cells in contact with harmful substances, the body's self-protection to prevent the invasion of foreign substances defense mechanism, the immune system T lymphocytes produce antibodies against foreign toxic substances. To know your human body's body cells do not lie, will lie or kinky ah! Make a mistake! It is the world

Question 3: 〖Raw lacquer is toxic〗herbs are also toxic Raw lacquer, mostly found in the ancient method of manufacturing doors and windows, furniture, supplies, it is the source of lacquer tree. It is a milky white gelatinous liquid cut from the knee tree, mainly containing lacquer phenol, gum, nitrogen, water and trace volatile acids and other substances, and no toxic elements, and in the process of processing the raw lacquer will not add any toxic substances, so the raw lacquer is not poisonous. Raw lacquer turns brown once it comes into contact with the air, and the surface dries up and hardens after a few hours to produce lacquer skin. The economic value of raw lacquer is very high, with corrosion-resistant, wear-resistant, acid-resistant, solvent-resistant, heat-resistant, waterproof and insulating good, glossy waiting for sex, is the military, industrial equipment, agricultural machinery and cypress, capital construction, handicrafts and civilian furniture, such as high-quality polyester. These lacquerware not only has our unique national style, but also because of the raw lacquer varnish film is bright, color and luster of the durable, light retention performance is particularly good, and therefore has a long time will not change color, not easy to pollute, not afraid of insects and not subject to the influence of temperature characteristics.

Raw lacquer is a kind of lacquer directly cut from the lacquer tree, we generally come into contact with the raw lacquer has become a "cooked lacquer", we all know that the raw lacquer is directly cut from the lacquer tree, just cut down the raw lacquer can only be called lacquer, which can't be directly applied to our lives, we also need to process it, so that it becomes mature lacquer. We still need to process it to make it into mature lacquer, and its processing procedures mainly include sunshine, mixing and adding tung oil. The process includes sunlight, mixing, and adding tung oil. It can be seen that no harmful substances are added in the production process.

According to the relevant test, the lacquer directly cut from the lacquer tree contains the following substances: lacquer phenol, gum, nitrogen, water and trace volatile acids, etc., which can be seen, the composition of the lacquer is not suspicious elements, so there is no harmful or poisonous substances penetrate into the lacquer in the whole process.

First, raw lacquer can cause human skin allergies

For some idiosyncratic people, contact with raw lacquer can produce severe allergic dermatitis. Raw lacquer causes human skin allergies for reasons not yet fully known, mainly raw lacquer in the lacquer of lacquer and a variety of volatiles caused by sensitization. The main pathway for raw lacquer sensitizer to invade the human body is the skin and the true cavity, the oral cavity of the salary membrane. Therefore, not only touching the lacquer and lacquer tree will have lacquer sores, some people smell the lacquer flavor, but also allergic to sores.

Raw lacquer mild allergy, only *** outside the part of the skin, such as face, back of the hand, finger cracks, and so on, and then to the neck, *** and other parts of the development, began to feel the swelling of the affected area, itchy, after scratching there will be a small red mounds of spots, the serious skin localized chickenpox-sized blisters, if the skin is scratched, it is easy to be infected and ulcerated. But after treatment, it can be cured, will not leave any marks.

Second, pharmacological effects: Tao Hongjing: raw lacquer poisonous, people with chicken white and service to remove the insects, but there are rodent injury to the stomach, fear of paint people are dead, outside the gas can also make the body sores and swelling, since there are other therapies.

Question 4: Is it safe to rush raw lacquer tableware? I suggest not to buy lacquered tableware, remember N years ago, China was popular for a while wooden lacquered chopsticks. Every family uses them. After a while because of the long years of washing with water above the paint gradually fall off, and occasionally fall into the rice inside is not serious. Now I think about it, it's pretty scary. You should know how the paint into the stomach, although most of them will be excreted, but now people are concerned about what? Is the physical and mental health, as long as the body is harmful to our convulsions away from it can be.

Question 5: mahogany furniture raw lacquer or varnish poisonous lacquer, also known as raw lacquer, it is a kind of lacquer tree produces natural resin paint, non-toxic, green, natural, basically harmless to the human body, but some people occasionally see allergies. Thank you

Question 6: antique furniture chemical raw lacquer poisonous before buying to double-check

1 smell

Wooden furniture sold on the market, in addition to the all-solid wood furniture, there are still man-made board parts. Therefore, when buying and selling, especially to smell the odor. If it makes people weep and sneeze, it means that the formaldehyde release of the furniture is relatively high, there may be a problem, do not go to buy.

2 see the report

Consumers to the dealer for quality inspection reports to see whether the formaldehyde emissions of furniture in the standard allowable range. The national standard "indoor decoration materials in wooden furniture harmful substances ***" stipulates that the formaldehyde emission per liter of wooden furniture shall not

Antique Furniture

greater than 1.5 milligrams, such as the purchase of wooden furniture formaldehyde exceeds the standard do not buy, it is recommended to buy the furniture produced by the e1 standard plate, only to reach the e1 standard plate can really be harmless to the human body.

Ask the price

Formaldehyde exceeds the standard of wood furniture, most of the use of cheap synthetic panels, so the price of the whole set of wood furniture is often "super low". As a result of the cheap synthetic panels used a lot of poor-quality glue, resulting in serious formaldehyde emissions exceeded the standard.

Sign a contract

Customers in the purchase of furniture, it is best to sign a "contract for the purchase and sale of furniture", and will be written into the contract of environmental protection provisions, and specify the quality of furniture materials selected material quality assurance provisions. It is best to have a detailed test method.

Development of invoices

Many consumers in the low price of the temptation of dealers, take the white, receipts, etc. away, and the quality of the problem to complain, this kind of informal invoices are often difficult to use as effective evidence, so buy furniture must be dealers to issue a formal invoice.

General raw paint is no problem, but there are people who are allergic to it

Question 7: natural paint is harmful to the human body Pharmacological effects: for some idiosyncratic people, contact with raw paint can produce severe allergic dermatitis. Tao Hongjing: raw lacquer poisonous, people with chicken white and service to remove the insects, but there are rodent injury to the stomach and intestines, fear of paint people are dead, outside the gas can also make the body sores and swellings, since there is a different treatment.

Question 8: mahogany furniture raw paint or varnish toxic Solid wood furniture is generally varnished, no raw paint. Varnish with nitro paint, only benzene, no aldehydes. Buy back to put a month on it, pay attention to open windows and ventilation.

Question 9: raw lacquer toxic raw lacquer features raw lacquer coating has excellent acid resistance, abrasion resistance and water resistance, and has a strong adhesion and other advantages. The disadvantage is that it is not alkali resistant, the drying time is long, and it is easy to cause human poisoning during construction.