Rodine 31A - Corrosion Inhibitor to limit acid attack on base metals

Formulated with an acidic blend of complex alkyl pyridines, 1, 3-diethyl thiourea, Rodine 31A serves as an aliphatic nitrogen corrosion inhibitor that provides protection to brass, steel and copper metals against the attack of sulfuric, phosphoric, sulfamic, formic acid, acetic oxalic acid, citric acid, bisulfate solution and mixtures thereof and conditionally for hydrochloric acid solutions. Rodine 31A Corrosion Inhibitor presents itself as a chloride free inhibitor. It has a maximum operating temperature of 180°F. It imparts excellent pickling and modifies the metal surface to help in the prevention of corrosion.

Acidic treatment is important in providing protection to the metals used in the industries against scaling and rusting. This acid treatment is mostly carried out variously to assist in the eradication of scale and rust but instead & often triggers abrasion of metals as they exhibit corrosive properties. This process not only influences the metal properties but also causes loss of base metals after acid solution pickling. Acidic Corrosion often causes gradual wearing off of material by acidic compounds.

This acidic corrosion is an electrochemical process which is directed by the diffusion of moisture, oxygen and availability of acidic pollutant on the metal surfaces. This brings about the requirement of acid inhibitors to aid in limiting the acid corrosion on base metal, therefore helping reduce the economical loss in several industrial sectors. The type and concentration of the corrosion inhibitor used is generally derived based on the type and properties of the metal to be protected and the conditions under which the metal is to be treated. Rodine 31A Corrosion Inhibitor is an acid inhibitor specifically to protect metals from corrosion by organic and mineral acids.

Features:

-Single product for multiple acids

-Helps in imparting excellent pickling

-Modifies metal surface to prevent corrosion

-Chloride free and is easily soluble with all acid concentrations

ChemEqual is the largest online directory of chemical suppliers, consisting of a vast database of manufacturers & suppliers that deal with trading of Rodine 31A Corrosion Inhibitor or other acid corrosion inhibitor products.

DOWCAL 200 Inhibited Propylene Glycol-based Heat Transfer Fluid - ChemEqual

Propylene glycol, also known as Propane-1,2-diol is used as a heat transfer fluid and antifreeze, particularly as a low corrosion non-toxic substitute to ethylene glycol based cooling systems. In aluminium based cooling systems like HVAC/R, propylene glycol has shown efficacy comparable to ethylene glycol.

Benefits of PG:

s  Low freezing point

s  The ability to decrease the freezing point of water

s  Burst protection

s  Low mammalian toxicity

s  Low flammability

s  Excellent heat transfer properties

s  A high boiling point, low vapor pressure

Water based fluids expand in volume when they freeze, causing rupturing of pipes and containment vessels. Ethylene glycol has severe toxicological and environmental implications making it unsuited for cases of human exposure. Water-PG mixtures in low temperature conditions do not create extra pressure on vessel walls and in case of leakage, they are not hazardous. This makes Propylene glycol the ideal active ingredient as heat transfer fluid in industrial systems.

DOWCAL 200 manufactured by DOW Chemicals is propylene glycol based heat transfer fluid antifreeze that has a wide range of application.  It has been formulated to operate at temperatures higher than what ordinary glycol fluids can. It has a low acute oral toxicity and includes a specially designed inhibitor package to prevent corrosion of common materials used in HVAC, Food beverage processing, solar power plants etc.

Applications:

·         Single fluid process heating and cooling

·         Closed-loop water based heating & air conditioning systems

·         Food and brewery industry

·         HVAC systems

·         Pharmaceuticals

·         Secondary cooling and heating

·         Freeze and Burst protection

·         Renewable energy systems

ChemEqual is a unique online chemical and equivalents database and B2B marketplace where Propylene Glycol based antifreeze like DOWCAL 200 and its equivalents can be easily searched and enquired here.

RODINE 92B Acid Inhibitor for Food Processing equipment cleaners - ChemEqual

Effective cleaning of equipment in the food processing industry is required to reduce chances for contamination of during preparation, processing, storage & serving. Cleaning prevents attraction of lower life forms like food pathogens, increases equipment life, boosts employee morale and efficiency and accounts for aesthetic considerations of consumers. The primary cleaning agent is water; free from disease producing organisms, toxic metal ions and objectionable taste & odor. But such quality of cleaning water is hard to achieve and chemicals are tailored to meet cleaner specifications based on water composition and operation type.

Acid Type Cleaners & Corrosion:

Acid cleaners are used in the food processing industry for milkstone removal and cleaning equipment like broth tanks, ingrediators etc. A wide choice of acid type cleaners for mineral scale removal exist today but organic acids and blends of organic acid type cleaners and chelating agents have found much popularity in recent times. This is because they are much less corrosive than mineral acids and alkaline cleaners. Citric acid and EDTA are frequently used for this purpose owing to a better pH regulation and less aggressive surface action.

Nevertheless, acid cleaning chemicals are corrosive to the base metal and are responsible for corrosion & pitting of surface. Inhibitors for Citric Acid descaling solution are usually applied at very low concentrations (1000-3000 ppm) to provide upto 99.8% corrosion inhibition during acid cleaning processes. Depending on the acid type used, specific corrosion inhibitors are designed to remove scales and deposits from equipment while minimizing base metal loss. They are of mostly polymeric origin and act by forming chelating structures, proving high efficiency as inhibitors in acid chemical cleaning operations.

RODINE 92B is a blend of semi-foaming corrosion inhibitors specifically formulated for preventing corrosion by Citric acid and EDTA based cleaners. It is highly efficient at protecting metal surfaces such as steel and copper alloys commonly associated with equipments in food processing and packaging industry. It has been shown to assist in surface cleaning and descaling actions by acid cleaners without any pitting or corrosion on metal surface.

With respect to the nature of industry where rodine acid inhibitors are used, toxicity issues for inhibitors is of prime concern & exposure to humans due to improper/inadequate rinsing is a possibility. Rodine 92B has been designed for such special applications and contains ingredients generally recognized safe to humans thus suitable for cleaning of food equipment.

Key product features are:

·         Modifies metal surface to prevent corrosion

·         Excellent wetting properties for better cleaning

·         Enhances cleaning efficiency

Rodine 92B is effective upto a temperature of 85°C/185°F and can be applied in all types of food processing, packaging & storage industries as inhibitor for acid cleaning systems.

ChemEqual is a online global chemical marketplace for Acid Inhibitors where Rodine type & its equivalent inhibitors can be found.