Weld Seam Polishing Cleaner Can Quickly Remove Weld Seams KM0222

Q1: What’s your company’s core bussiness?

A1: EST Chemical Group, founded in 2008, is a manufacturing enterprise mainly engaged in the research, manufacture and sales of rust remover, passivation agent and electrolytic polishing liquid. We aim to provide better service and cost-effective products to global cooperative enterprises.

Q2: Why choose us?

A2: EST Chemical Group has been focusing on the industry for more than 10 years. Our company is leading the world in the fields of metal passivation, rust remover and electrolytic polishing liquid with a large research & development center. We provide environmentally friendly products with simple operation procedures and guaranteed after-sale service to the world.

Q3：The products when to need adopt pickling passivation craft?

A3: Products in the process of welding and heat treatment（In order to increase the products hardness , such as the heat treatment process of martensitic stainless steel）.Because of the product surface will form black or yellow oxides on the high temperature condition, This oxides will affect the appearance of the product quality, so must remove the surface oxides.

Q4：After pickling passivation, will not affect the performance of the product, and can promote the corrosion resistance of the product?

A4： After pickling passivation, the oxides of the product‘s surface will be removed, and the products surface will become well-distributed silver white or matte color. And form a  uniform and compact、complete passivation membrane on the product surf