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What should I do if bubbles appear in injection molding?
One of the main causes of defects in cosmetic molded parts is air bubbles. This troublesome part defect not only causes appearance problems, but also damages physical properties. Bubbles are a common phenomenon, but they are usually difficult to resolve.
2021-10-30
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How do plastic processing companies respond to digital transformation?
Recall that in January last year, the economy was booming, machines were running day and night, and our biggest worry was how to find more labor. However, less than 12 months later, a whole new set of priorities and concerns emerged.
2021-10-30
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High-speed rail is made of aluminum alloy
Rail transit mainly includes railway passenger cars, freight trains, high-speed trains, subways, light rails, and maglev trains. What I want to focus on here is the high-speed train, which is what we often call the high-speed rail. China's high-speed rail manufacturing and operation technology can be said to have reached the world's leading level.
2021-10-09
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New research finds ways to improve the properties of graphene materials
A new study found that the purity of graphene may be an obstacle to the wide application of this new material. Reducing silicon pollution in graphene is expected to improve its performance and give full play to the application potential of graphene in the industry.
2021-10-09
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What Is PBT Material?
Pbt material is an engineering material with excellent performance, with excellent toughness and fatigue resistance, good heat resistance, weather resistance, good electrical properties, and low water absorption. The modified pbt material is to be modified by strengthening and flame retardant, so as to improve its heat resistance, flame retardancy, dimensional stability and modulus, and is used in automobiles, electronic and electrical industries.
2021-10-09
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Key technologies for the synthesis and application of functional hyperbranched polymers
The wind power industry is a basic industry for the country's sustainable, green and healthy development, and high temperature resistant insulating resin is the key material to ensure the long-term stable operation of wind turbines
2021-10-16
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How can ABS injection molded parts increase brightness?
The main reasons for poor gloss of plastic parts are: mold, injection molding process, raw materials, etc. PTJ elaborates on this issue as follows, please correct me if it is wrong!
2021-10-16
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The Analysis Of Shrinkage Depression Cause
Molded parts of semi-crystalline plastic materials have a high shrinkage rate, which makes the dent problem more serious; the molding shrinkage of non-crystalline materials is lower, which will minimize the dent to the greatest extent; the shrinkage rate of filled and maintained reinforced materials Lower, the possibility of dents is less.
2021-10-16
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Thermoplastic pipe extrusion coating molding
In the extrusion molding of traditional thermoplastic pipes, the melt flow direction is parallel to the pipe axis, and the plastic macromolecular chains in the pipe wall are oriented parallel to the pipe axis. The strength of the pipe wall is greater in the axial direction than in the circumferential direction. The circumferential direction is twice the axial direction, so the axial and circumferential strength is contrary to the axial and circumferential stress.
2021-10-23
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Reinforced flame-retardant PBT material: high glow wire, high CTI
PBT material is an engineering material with excellent performance, with excellent toughness and fatigue resistance, good heat resistance, good weather resistance, good electrical properties, and low water absorption. Reinforcement and flame-retardant modification can significantly improve its heat resistance, modulus, dimensional stability and flame retardancy.
2021-10-16
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Thermoplastics List For Injection Molding
There are many types of thermoplastics, even if the same type is different due to the different proportions of resin molecules and additives, its use and process characteristics are also different. In addition, in order to change the characteristics of the original varieties, various chemical methods such as copolymerization and crosslinking are commonly used to introduce a certain percentage of other monomers or polymers into the original resin structure to change the original resin structure into a new one. Modified products with improved physical properties and processability.
2021-10-02
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How are 3D printed aircraft components made
Most 3D printed parts of airplanes are related to guiding the air to some extent and have complex internal geometries such as blades, air ducts and shutters. Since the guided air usually exceeds 260°C, surface-based design methods are crucial.
2021-10-29
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