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Injection molding processing plant to explain the antistatic agent, curing agent

Article source: Kexiang mold popularity:589 Publication time:2023-06-25 11:04:56

Injection Mold Processing Plant When using injection molding materials in processing products, because of the different places of application, will be required to add many additional features. The more common is to increase the hardness, anti-static and flame retardant. So how to realize these required functions? It is necessary to use the curing agent, antistatic agent. 


What are antistatic agents? 


Plastic is a good insulating material, but plastic products in the process of use such as friction with other materials, it is easy to generate static electricity on the surface. The surface will become dirty and dusty, and in the worst case, sparks will discharge and cause fire. The role of adding antistatic agent is to make the surface of the product to form a conductive level of discharge. Commonly used antistatic agents such as organic nitrogen compounds. 


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What is a curing agent? 


The role of curing agent is to make the original linear polymer become a body polymer through cross-linking, so that the product has good stiffness and hardness. Usually curing agents are only added to thermosetting plastics, such as phenolic resins with hexamethylenetetetramine, epoxy resins with anhydrides, polyester resins with peroxides, etc., which can play a role in changing the characteristic hardness of the original injection molded material. 


For injection molding processing plant, the use of these injection molding material additives should pay particular attention to the ratio. Too much or too little will not achieve the desired results. An injection molding plant needs to verify and debug these ratios, and to go through a small batch production to do experiments to verify whether it is a qualified product, so that it can better complete the production task. Once there is a problem with the dosage, the loss is not a little bit of raw material. 


For these formulas, should be more to record and experimental verification, and is not set in stone. How much to add, what type of product is suitable for making, not only should be stored in the head of the technician, but also should be recorded in the form for future reference.


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