In the injection molding nylon industry, we often encounter such requirements from customers, especially the mechanical properties. We come up with quality inspection reports, and the data are checked one by one. Some of them are even below the standard. . However, even if the mechanical properties are good, it is futile to have a good appearance, unless further processing such as painting is required. Everyone has been doing it in the injection molding industry for a long time. There will be a positioning for the appearance of the modified material. For example, the general glass fiber reinforced material does not look very good, and the toughening due to the appearance of the toughening agent will Better looking, but glass fiber PA66 reinforced nylon products must be not beautiful?
What is the reason why the glass fiber reinforced material is not good? The main reason is that the glass fiber is in trouble. The compatibility between the glass fiber and the nylon material is not good. When the injection molding occurs, the fountain phenomenon will cause the glass fiber to be exposed in a large amount. Appearance, if there is not enough nylon Resin for wrapping, the appearance defects are exposed. The amount of glass fiber directly affects the appearance effect. The more the glass fiber, the greater the exposure probability. However, the glass fiber is an indispensable component in the material, and the performance of mechanical properties depends on him.
To solve this problem, the glass fiber intake can be minimized under the premise of the mechanical properties, and then a certain amount of compatibilizer is added to increase the compatibility of the glass fiber and the melt, and then further fine on the glass fiber. For example, short glass fiber can be selected. Compared with long glass fiber, the intake of short glass fiber requires the cooperation of the side feeder, which can more accurately control the amount of glass fiber, and the short glass fiber is evenly dispersed in the material. Great contribution to the appearance of the effect.
In addition, the nylon resin material used for the glass fiber pa66 reinforced nylon is nylon 66. The fluidity of nylon 66 is much better than that of nylon 6, and the resistance is small during injection molding, and the degree of wrapping between the melt and the glass fiber is good.
In summary, the short glass fiber compatibilizer nylon 66 can be said to be a good combination, achieving a win-win situation in terms of mechanical properties and appearance. Glass fiber pa66 reinforced nylon is also becoming more and more used in the injection molding industry, especially in the automotive industry, coal mining industry, electronic and electrical industry, oilfield industry, etc. The solution of the appearance problem will also promote the material to be further favored by users. .
Aluminium Sulphate are sweet white shiny crystals, granules or powder. It's stable in the air.but easily soluble in water, almost insoluble in ethanol, and the solution is acidic. Aluminum sulfate is a widely used flocculant in the purification of drinking water and Sewage Treatment equipment, as well as in the paper industry.
Aluminium Sulfate is a new, high-quality, high-efficiency iron salt inorganic polymer flocculant. The water purification effect of Aluminium Sulfate is perfect.The water treated by Aluminium Sulfate is free of harmful substances such as aluminum, chlorine and heavy metal ions, and no water phase transfer of iron ions, non-toxic, harmless, safe and reliable.
Aluminium Sulfate produced by JINHE Industry has obvious effect on purification of micro-pollution, algae-containing, low temperature and low turbidity raw water, especially for high turbidity raw water.And the dosage is small, the cost is low, and the processing cost can be saved by 20% -50%.
In the paper industry, it is used as a precipitant for rosin gum, wax emulsion and other rubber materials, as a flocculant in Water Treatment, and as an internal retention agent for foam fire extinguishers. It is also used as a raw material for the production of industrial aluminum sulfate alum and aluminum white. Raw materials for certain drugs, etc. Aluminium Sulfate can also be used in manufacturing artificial gems and high-grade ammonium alum. Aluminium Sulfate produced by Jinhe Industry can be used in water treatment flocculants too.
Aluminium Sulphate
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