Concentrated sulfuric acid can also be made into other forms. For example, the high concentration of SO3 can be made through the sulfuric acid oleum (H2S2O7). Related to the concentration of fuming sulfuric acid, it is usually a percentage of SO3 in H2SO4 authentic or a percentage of authentic, both. Concentration is generally called 'oleum' was 45% (including 109% H2SO4) or 65% (including 114.6% H2SO4). 100% pure fuming sulfuric acid as a solid, melting point 36 ℃. Polarity and the conductive pure sulfuric acid is a very large polar liquid, the dielectric constant thereof is about 100. Protonated each other because it can cause its high conductivity sulfuric acid manufacturers, this process is known as proton from migrating between its molecules and molecules. Process that occurs is: 2H2SO4 ==== H3SO4 + HSO4 because we are professionals so we do a better credit-quality first quality guarantee fair prices sulfuric acid for industrial widely used in various industrial sectors concentrated sulfuric acid properties, mainly fertilizer industry, metallurgy industry, oil industry, machinery industry, pharmaceutical industry, production of detergents, military industry, nuclear industry and the aerospace industry. Also used in the production of dyes, pesticides, chemical fiber, plastics, coatings, and a variety of basic organic and inorganic chemical products. Early production of sulfuric acid industry have adopted nitration sulfuric acid manufacturers, low intensity of production equipment, product concentration only 60 to 76%. Since the 20th century, gradually replaced by nitration contact method. Production of sulfuric acid raw materials are sulfur, pyrite, non-ferrous metal smelting smoke, gypsum, hydrogen sulfide, sulfur dioxide and sulfuric acid and other waste. Sulfur, pyrite and smelt smoke are three main ingredients. Zhengzhou Longda Chemical (FIG), sulfuric acid manufacturers, acid provided by the Zhengzhou Yellow River Road Ronda Chemical Products Limited. Zhengzhou Longda Chemical Products Co., Ltd. (www.longdahuagong.com/) is a professional "sodium hydroxide (caustic soda, liquid, flake, solid), sodium hypochlorite, hydrochloric acid, sulfuric acid, nitric" company. Since its inception, we adhere to the "good faith, sound management" approach, the courage to participate in healthy competition in the market, so that the "own brand" brand has a good reputation. We adhere to the "service first, customer first" principle, so Zhengzhou Longda Chemical has won the public's trust of customers in a mineral acid, and establish a good corporate image. Special Note: This information is for reference only pictures and information, please contact us to obtain the most accurate information, thank you!