Back chair classification analysis
The backrest chair was produced in the Northern and Southern Dynasties and was more commonly used after the Tang Dynasty. The seat surface is generally square, with a backrest and arched brain. The shape of the backrest chair is that the backrest has no armrests, and the backrest does not make a head. The backrest of this kind of chair has different forms, and it is called a "uniform monumental" chair. The other is called the "light hanging chair". His beam grows two columns and is slightly upturned. It is like a light pole with a light, hence the name. Today, Go Jiaju.com has a small series to classify the backrest chairs.
In the materials and decoration, hardwood, miscellaneous wood, painted gold, gold paint, paint, and bamboo are all available. The chair in the Ming and Qing Dynasties was made more elaborate. In the selection of materials, mahogany and nanmu are generally used.
According to the use can be divided into
1. Anti-static four-legged chair,
2, anti-static lift chair,
3, ordinary chair.
Divided into physical properties
1, anti-static: surface resistance of 10 to the power of 6 to 10 of the 9th power
2, conductive: surface resistance of 10 below the power of 4 to 10 to the 6th power
Detailed introduction of anti-static chair
Configuration: plastic five-star foot, high-strength wear-resistant nylon casters (foot cups), metal conductive chain anti-static chair,
Adjustable height range: about 480-850MM (with 140MM height adjustable gas rod), seat surface: conductive plastic surface, resistance value below 10 to the power of 6; system resistance: ≤ 10 to the 7th power. Configuration: conductive plastic back seat, carbon steel chrome five-star foot, high-strength wear-resistant nylon casters (foot cup), metal conductive chain.
Chair surface: conductive plastic surface; chair foot: metal tube spray anti-static paint; resistance: 10 to the power of 4 to 10 to the 6th power; conventional height: 45CM; anti-static injection molding chair, can increase the height according to the position of the table; The chair foot is fixed with the word "work".
The above is the knowledge of the backrest chair that Xiaobian has arranged for you. If you want to know more information, you can pay attention to the official website of our home.
A Led torch light is an essential piece of equipment for a wide variety of activities, from camping and hiking to emergency situations and everyday use. With its rechargeable battery, it offers a convenient and eco-friendly alternative to disposable batteries. Its portability makes it an ideal tool for camping, providing a reliable and durable source of light in the wilderness. Its waterproof design ensures that it can be used even in the toughest of conditions. Whether you're exploring the great outdoors or simply need a reliable emergency torch, a Led torch light is a smart investment that will light your way through any situation.
rechargeable torch light, camping torch, waterproof torch, emergency torch
Ningbo Le Monde Import & Export Co., Ltd. , https://www.shineverlighting.com