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Anonymous users2024-01-24"Sponge". It is divided into artificial and natural, and artificially made from polyurethane material. The following focuses on natural sponges, the ancient Romans called the sponges obtained from the sea "Zoofiton", a sponge animal with special properties, which means half plant, half animal.
In fact, the natural sponge is a simple multicellular marine animal and was one of the first multicellular organisms on Earth. It is known that there are more than 5,000 species of sponges in the world, but only about 15 species have use value, and people call them "tame" sponges. Tame sponges grow mainly in warm seawater and are renewable natural resources.
The size varies from a few centimeters to a meter. At present, the world's sponges are mainly distributed in the Mediterranean, the Gulf of Mexico, and the waters of the Bahamas. The main varieties are honeycomb cotton, silk cotton, grass cotton, elephant ear cotton and so on.
High-grade sponge - environmentally friendly sponge, the density of the sponge used in different positions of the sofa is different, the seat cushion is made of 40 medium soft and high resilience sponge, the wooden frame is 35 sponge, the bottom frame is 30 medium soft sponge, and the seat bag is AAA grade doll cotton.
Mid-range sponge - environmentally friendly sponge, the density of the sponge used in different positions of the sofa is different, the seat cushion is made of 40 soft sponge, the wooden frame is 35 soft sponge, the bottom frame is 30 soft sponge, and the seat bag is doll cotton.
Low-grade sponge - ordinary sponge, the density of the sponge in each part of the sofa meets the requirements, and medium-density sponge and spray foam are used. Touching the border with your hand, you can clearly feel the wooden frame, and the filling density of the sofa is not high, and the elasticity is poor.
Inferior sponge - the density of the sponge in each part of the sofa meets the requirements, and the medium density sponge and spray foam are used. Touching the border with your hand, you can clearly feel the wooden frame, and the filling density of the sofa is not high, and the elasticity is poor. There are even brown felts and felts that use waste sacks that do not meet sanitary standards and moldy insects.
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Anonymous users2024-01-23The foamed block is very large, and it needs to be cut and formed, and if the abrasive is formed, the edge will be breathable and unsightly, so it needs to be cut.
It's very simple, methanol plus additives, it must be synthesized with water, you can find me if you don't understand.
It is not complicated to change the time to piecework, after the core of the problem is changed, the single price should be set reasonably (set high, the company spends more money, and the employee resists the low), but at least the result of piecework is to improve the labor enthusiasm and production efficiency of employees, after the employee accepts, the salary of skilled and diligent employees will definitely be higher than before. Steps: >>>More
The snake spring is not filled into a sponge, but nailed to a wooden frame. >>>More
The general process is design, material selection, cutting, drying, carpentry, carving, polishing, lacquering, etc.
There are many colors of sponges in the sofa, including light red, light green, light blue, etc., all of which are light-colored sponges, which look more beautiful than the traditional yellow sponges, and have no effect on the sponge itself, so you can use it with confidence! Some home furnishing companies also have other color sponges, such as CBD sofas and soft beds with light purple yo!