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The history of plastics
The development of plastics can be traced back to mid-19th. At that time, in order to meet the needs of the booming textile industry in the UK, chemists mixed different chemicals together, hoping to make bleach and dye. Chemists are particularly fond of coal tar, which is curd-like waste condense...Read more -
The composition of the mold
Which parts of the mold consist of: In addition to the mold itself, it also needs a mold base, a mold base, and a mold core to cause the part to be ejected. These parts are generally made of universal type. Mold : 1. Various molds and tools used in industrial production to obtain the required pr...Read more -
Four ways of mold repair
Mold plays an extremely important role in modern industry, and its quality directly determines the quality of the product. Improving the service life and accuracy of the mold and shortening the manufacturing cycle of the mold are technical problems that many companies urgently need to solve. How...Read more -
Biodegradable materials
Degradable materials can generally be divided into four categories: photodegradable plastics, biodegradable plastics, photo/biodegradable plastics and water-degradable plastics. Photodegradable plastics are photosensitizers mixed into plastics. Under the action of sunlight, the plastics graduall...Read more -
Selection of mold materials
Before talking about mold materials, we must first understand some basic things about injection molds. The first is the classification of molds. Generally, molds are divided into five levels according to the length of service life. The first level is more than one million times, and the second l...Read more -
What is the specific difference between the inclined top and the slider on the injection mold
1. The difference in meaning Die slanting top, also known as slanting tip and slanting top, is a common term used in the mold industry in the Pearl River Delta region dominated by Hong Kong-funded mold factories. It is a mechanism used to form internal barbs in the mold design. It is suitable for...Read more -
Principle of Ultrasonic Welding
Ultrasonic welding uses an ultrasonic generator to convert 50/60 Hz current into 15, 20, 30 or 40 KHz electrical energy. The converted high-frequency electric energy is again converted into mechanical motion of the same frequency through the transducer, and then the mechanical motion is transmit...Read more -
The Dragon Boat Festival
The Dragon Boat Festival is a large folk festival that integrates blessings and evil spirits, celebrations, entertainment, and food. It originated from the ancient ancestors choosing “Flying Dragon in the Sky” to worship the dragon ancestors, pray for good luck, and ward off evil and...Read more -
Several major regions of China’s mold industry
In recent years, the mold industry has developed rapidly, and its geographical distribution characteristics have gradually taken shape. In terms of regional distribution, the Pearl River Delta, Yangtze River Delta and Anhui have developed rapidly. Guangdong Guangdong is now China’s most im...Read more -
Reasons for the difficulty in popularising environmentally friendly materials
Nowadays, the use of environmentally friendly materials is promoted all over the world. There are several types of environmentally friendly materials. 1. basically non-toxic and non-hazardous type. It refers to the natural, no or very little toxic and harmful substances, unpolluted only simple pr...Read more -
Company Profile
Ningbo Prestige (Plastic) Metal Products Co., Ltd. (P&M)—Located in Yuyao, known as [the hometown of molds, the kingdom of plastics], it is connected to Shanghai Port in the north, Ningbo Port in the east, and is close to the 329 national highway double line. The sea, land and air tran...Read more -
Uses and functions of basic plastic materials
1. Use classification According to the different use characteristics of various plastics, plastics are usually divided into three types: general plastics, engineering plastics and special plastics. ①General plastic Generally refers to plastics with large output, wide application, good formabilit...Read more
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