1. Construction preparation: 1. Materials and accessories: (1), marble window sill production material: stone window sill board (2), marble window sill production material variety, material, color should be selected according to design, wood products should be dried , Control moisture content within 12%, and do anti-corrosion treatment, no distortion is allowed. (3), installation and fixation is m
As the name implies, imitation marble is a general term for its material, but there are great differences between manufacturers with specific ingredients. There are generally the following methods to distinguish the quality of imitation marble uv board: 1. Judging from the thickness of the UV board. Generally poor quality and cheap price are not enough thickness, 3MM UV board is only 2.6-2.9MM th
Compared with other decoration materials, the price of uv imitation marble slab will be higher, and the texture will be worse than that of marble. There is no thick and solid feeling. uv imitation marble slab is a wall decoration material, can only be used to decorate the wall. Recently, a uv imitation marble slab has appeared on the market. The effect of this slab is the same as that of marble
This year, with the outbreak of the new crown epidemic, the production and sales of masks in China have increased substantially. Masks can prevent the spread of droplets and prevent the invasion of bacteria and viruses, and are an important means of protection. However, due to the protrusion of the nose, regardless of the thickness of the mask, the top of the mask cannot be completely sealed to th
The nose bridge is a thin plastic strip on the mask, which plays the role of the mask fixed on the nose bridge. There are a variety of nose bridges with different structures and materials on the market, which can be used with different types of masks. The following is a brief introduction to how to choose the appropriate structure of the nose bridge for the production of different types of masks.
Nose bridge materials are mainly metal and plastic. All plastic nose bridges are generally made of PE, PP, PET, and the specific formula varies depending on the manufacturer. In response to the all-plastic nose bridge, Jusailong has developed a special material for all-plastic nose bridge SE8153, which is made of polyolefin material.
Common masks are cup-type and folding-type masks, the only difference is the cotton applied between them. Cup-shaped masks usually use needle-punched cotton, relying on a structure that is molded in advance to support the filtering and shaping materials. The raw material of acupuncture cotton is polyester fiber, which adopts acupuncture technology, which has the advantages of light weight and e
Respirators, as protective articles used by medical staff every day, are indispensable tools for us to protect ourselves and protect patients. However, we found in the clinical work and sensory work inspection that many clinical medical staff, including some hospital full-time staff, have many misunderstandings about the use of masks. In the previous two series, we have separately classified, iden
