Advantages of Alkaline phenolic resin no-bake sand process
1. The flue gas emitted during sand mixing, molding and pouring is less than furan resin sand with acid as hardener, resol Alkaline phenolic resin with acid as hardener and urethane resin sand with amine as hardener.
Release time
2022-06-08
Hardening mechanism of Alkaline phenolic resin
In the hardening reaction of Alkaline phenolic resin, the base in the resin reacts with the ester first, forming the carbonate of the alkali metal, releasing the alcohol. After the alkali in the resin forms carbonate, it is in a reaction state, and a cross-linking reaction can occur at normal temperature to bond the sand grains, so that the molding sand has the necessary strength.
Release time
2022-06-03
怎么选购发热冒口?现如今在商场出现了许多不同种类的发热冒口,并且同品牌的不同。而且质量也还是不一样的。在这样的下很多顾客能够依据自己的需求挑选不同的牌子,但是你在选择的时候只要是合适自己的便是好的。下面就为大家来说一下方法吧。
Release time
2022-05-30
Function and usage of Casting cast iron slag remover
Casting cast iron slag remover slag removal and slag blocking: high-efficiency slag remover can be used in ladle, crucible boiler, electric furnace and reverberatory furnace.
Release time
2022-05-30
有很多小伙伴在咨询关于发热冒口厂家的问题,因为在不了解的情况下真的时候很难知道哪一家做的比较好?对于这个问题接下来小编就为大家来做一个简单的介绍吧,希望你看到以后能为你带来帮助吧。
Release time
2022-05-27
可能大家也看到了在网上总是有人在咨询选择发热冒口服务商需要考虑哪些问题?之所以会问这个问题是因为他们都不知道该如何去选择。其实只要你掌握了方法以后就会变得很简单的,下面小编就为大家来做一个详细的介绍吧。希望能为你带来帮助吧。
Release time
2022-05-27
What are the performance advantages of cast Casting cast iron slag remover
Cast Casting cast iron slag remover is generally used in cast iron. It is mainly used to gather the infusible material on the surface of the iron aqueous solution to make it easy to remove and ensure the purity of the iron solution. The slag remover can improve the yield of castings and reduce production costs. The method of use is simple. It is widely used in the cast iron industry.
Release time
2022-05-25
Casting cast iron slag remover company shares knowledge of Casting cast iron slag remover
In the casting process of Casting cast iron slag remover, due to the disordered charge added, the molten metal will produce various waste residues, which will seriously affect the quality of castings and reduce the product qualification rate.
Release time
2022-05-20
What characteristics should a good Casting cast iron slag remover have
The quality control of Casting cast iron slag remover is strict, the active ingredients account for more than 96%, strictly control the dust and impurities in the product, strictly control the particle size range of the product, and ensure uniform particle size, avoid dust during use, and maintain a clean production environment.
Release time
2022-05-16
Casting cast iron slag remover remover manufacturers tell you how to choose slag remover
Casting cast iron slag remover remover is used to remove impurities in molten iron and molten steel in casting. The specifications of domestic slag removers mainly include 18-30 mesh, 30-50 mesh, and 50-70 mesh. They are used to gather impurities on the surface of the iron aqueous solution and react into a thin film, which is easy to pick out, thereby ensuring the purity of the iron aqueous solution;
Release time
2022-05-12
