Wooden tableware is very popular now. Wooden tableware gives people a natural and simple feeling, and it can also increase the artistic atmosphere of the home. Wooden tableware is very light, durable, and has many advantages. So are there any safety hazards in the wooden tableware we use in our daily life? How to choose when buying?
1. Are there any safety hazards in the wooden tableware we use in our daily life?
Wooden tableware is made of natural wood. If it is not protected with paint, it will be easily corroded, rotted and moldy by liquids such as water and oil in long-term use. Therefore, general wooden tableware will be painted on the surface for protection.
Lacquer is divided into raw lacquer (natural lacquer) and chemical lacquer.
Raw lacquer is mostly found in doors and windows, furniture and supplies made by ancient methods. It is the only lacquer method in ancient China. The emperor of the Forbidden City in Beijing relied on it from the city gates, colonnades, and furniture. Its source is sumac. It is a milky white gelatinous sap harvested from the knee tree, which turns brown when exposed to air, and hardens on the surface after a few hours to form a patent leather. The economic value of raw lacquer is very high. It has corrosion resistance, wear resistance, acid resistance, solvent resistance, heat resistance, good water insulation and insulation, and is rich in luster. It is ideal for military industry, industrial equipment, agricultural machinery, infrastructure, handicrafts and High-quality polyester for civil furniture, etc.
The paint film of raw lacquer is bright, durable in color and excellent in gloss retention, so it has the characteristics of no discoloration for a long time, not easy to pollute, not afraid of insects and not affected by temperature. Raw lacquer is a natural substance collected from lacquer trees, and the price is relatively high.
Chemical paint is a paint made by using chemical raw materials, etc., combined with modern science and technology. This paint is very destructive to the ecological environment and human health. Formaldehyde and benzene contained in paint are things that many people fear, so chemical paint cannot be used on wooden tableware, and painted tableware cannot be used to hold food.
Therefore, no matter what kind of wooden tableware it is, it is not recommended to use paint, let alone where the tableware touches food. So what is the tableware painted with? How to protect it? In fact, wooden tableware is generally painted on the outside with environmentally friendly products such as raw lacquer, wood wax oil and water-based paint. These environmentally friendly products are also painted on the outside that does not directly contact food, rather than directly painted on the inside. Therefore, when using wooden tableware, the place where the interior contacts food can be protected with olive oil and other food-grade grease.
It is of course good to use wooden tableware, but it depends on what kind of wooden tableware you choose. For example, if you choose a poor-quality wooden bowl, the manufacturer has to paint it to cover his poor quality, which will actually hurt the body of the person who uses it. Because the wood used in inferior wooden tableware may not be good wood, and it may be harmful to the body after use. Therefore, in the selection of wooden tableware, it is advisable to choose wooden bowls made of persimmon trees, apple trees, pear trees, etc. These good woods are hard in texture, high in density, not easy to rot and mold, and will not emit harmful smells. At the same time, in the choice of wooden tableware, it is advisable to choose plain wood, that is, without corrosion-resistant treatment or paint, otherwise, the surface may contain harmful and toxic substances such as lead. The reason why wooden tableware is good is mainly because of its natural texture with less pollution; light weight, strong and durable; good heat preservation, not hot or cold hands; personalized processing, can be viewed as handicrafts.
2. How to choose wooden tableware?
Wooden tableware is best without cracks, hard wood, and smooth surface. If you want to choose good quality, you should know some wood knowledge. Choose wooden tableware, try not to choose those painted. Painted wooden tableware has a shiny appearance. Most tableware that has been painted has a relatively high lead content. If it is used for a long time, the paint will enter the body with food and endanger human health. It is best to choose natural wood. cutlery.
1. Smell: Natural wood has a natural fragrance, and treated inferior wooden tableware contains harmful substances and smells peculiar.
2. Look at the color: don’t buy ones that are particularly white or bright.
3. Look at the texture: the surface of wooden tableware should be hard, smooth and free of cracks. When choosing, you can gently scratch the cross-section with your thumbnail to check whether it is hard enough. Take disposable wooden chopsticks as an example, they are very brittle and will break if you fold them lightly.
4. Look at the weight: this is very important when choosing wooden tableware, too light is not very suitable. For example, disposable tableware has a light feeling. In addition, the choice of wooden tableware should also pay attention to the relative density. Tableware with good wood is easy to sink in water, while ordinary wood is the opposite.