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Anonymous users2024-01-24Wear a professional, high-grade dust mask.
Working in a dusty environment, it is recommended to do a good job of respiratory protection for your health. Choose a dust mask scientifically, choose a good mask with good protective effect, smooth breathing, and economical use. Helps prevent lung damage from occurring.
Now masks must implement the GB2626-2006 standard. The grades of dust masks are divided into three grades: KN100, KN95, and KN90. Among them, KN100 can achieve nearly 100% (more) protection effect against ultrafine dust.
For those with large granularity, KN95 grade can be selected.
The protective effect of dust masks depends on 2 aspects. One is the filtration efficiency of the filter cotton. The second is how tightly the mask is combined with the face.
Therefore, masks must be divided into large and small sizes, and the fit effect of masks and faces varies from person to person.
The scientific selection of dust masks certified by GB2626-2006 standards helps to prevent lung damage.
1. Choose a duplex half mask type. Disposable masks are not suitable for long-term or occupational protection due to their high air leakage rate.
2. Choose KN100 grade dustproof filter cotton for use. A low rate of protection will lead to physical injury.
3. It is more comfortable to choose silicone material. It is suitable for long-term wear and is not easy to cause allergic reactions. Masks with high rigidity are prone to facial indentation.
4. Masks are divided into large and small sizes, which is extremely important. Don't buy masks that are called generic models. Prone to air leakage.
5. There are two types of masks that cover the mouth and nose, covering the mouth, nose and chin, and it is recommended to use the latter, which is relatively comfortable.
6. It is recommended to choose a breathing mask. Some masks are designed with double filters, and the filters are double-sided, so that the masks are relatively easy to breathe.
Grinding is a necessary process before furniture painting, whether the grinding is in place, directly affects the effect of the product after painting. Different furniture, different materials, and different paint processes have different types of sandpaper for sanding, the strength of sanding, and the number of sanding.
As the saying goes, "10 points for painters, 3 points for sand", which shows the importance of polishing in painting operations. The grinding process has three main functions: >>>More
It's hard to say.
Solid wood furniture sanding, generally starting with coarse sandpaper, with the smoothing of the effect, gradually detailed sandpaper transition. >>>More
Before spraying, you should use a fine sandpaper water grind and dry it so that you can spray it with a good effect.
Sand skin use 360 mesh or above, gently polish, point to the end, not too hard, generally will not leave obvious traces.