Derusting Chemical

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Our above product is an acidic composition containing organic inhibitors and surface active agents, suitable for use as a low cost general purpose descaling and derusting chemical specially for carbon steel or hot rolled steel for cast iron parts by dip method.

Properties Uses :

Rust and black scale oxides and heat treatment scales are readily removed from mild steel and ferrous alloys with negligible attack on the base metal because of the inhibitor content. Metal losses are reduced to as much as 6 to 8 times than using straight hydrochloric or sulphuric acids for pickling. Thus it enables long contact times to be used without fear of high metal losses.

Also because of the surfactants added to it, metal becomes more clean and bright. It reduces the surface tension and comes into more intimate contact with metal surfaces due to quick wetting and penetrating action. It speeds up the removal of oxide scales and rust and promotes brighter and more uniform pickling. For removal of Heat treatment scales, 25 to 50% of SCALGUN solution should be used.

Applications :

For quick removal of black scales 1 part of SCALGUN is diluted with 1 part of water and parts are dipped at room temperature for 15 to 30 minutes. For removal of rust, 1 part of SCALGUN is diluted with 3 parts of water and materials are dipped for 15 – 30 minutes depending upon the amount of rust to be removed. However, for quicker action, the solution can be heated upto 50°C by means of silicon immersion heaters in jacketed heating arrangement. After the materials are pickled they are rinsed with plain water once or preferably twice. Then they are either passivated with our COROBIT-ARP at 1-2% concentration or they should be phosphated before any painting or further processing.

Equipments :

Synthetic rubber or PVC lined mild steel tank or polythene containers.

Safety precautions:

1. Use PVC/Rubber gloves and apron while handling

2. If splashes on eyes or skin wash with plenty of water and consult physician

Packing : 6 Kgs, 12 Kgs 40 Kgs.

Additional Information:

• Item Code: SCALGUN

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A 10% - 25% solution of Scalgun-B with water is to be prepared in a plastic container and contaminated parts to be immersed in this solution for 5-30 minutes at room temperature. Scalgun-B is a very effective cleaner and does away the need of using two different chemicals of Degreasing and Derusting. Scalgun-B is available in two standard Packing of 6 kgs 40 kgs.

Ashok Industry manufactures a wide range of degreasing, derusting and cleaning chemicals since 1960 and is an ISO 9001-2008 Certified Company.

Additional Information:

• Item Code: SCALGUN-B
• Pay Mode Terms: Other

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RUST SOLVENT is an aqueous inhibited acidic mixture, soluble in varying proportions with water. It is a very effective deruster for iron & steel surfaces at room temperature. It has very good penetrating power to disintegrate and dissolve, rust or scales; either by dipping process or by swabbing. It can be used very effectively in ultrasonic equipments, tumblers, agitators for cleaning and /or derusting.

Applications:

Although RUST SOLVENT is an excellent remover of rust, surfaces having extremely heavy scales or rust formation should be removed mechanically or by means of wire brush during dipping method.

I) Diiping Method:

Concentration:

1. For heavy contamination mix 1 part RUST SOLVENT with 1 part water by volume

2. For medium contamination - 1 part RUST SOLVENT with 2 parts water by volume

3. For light contamination - 1 part RUST SOLVENT with 3 - 5 parts water by volume

Prepare solution of RUST SOLVENT with water by volume as per above concentration in a Plastic tank/container. Simply dip the contaminated parts in the solution for 10 – 30 minutes at room temperature till the parts are completely clean. After dipping in RUST SOLVENT the parts should be rinsed with water and can be processed further for phosphating or they should be passivated in 0.05 % solution of ASFOFIX-A with water at 60 - 70 °C for 1 – 2 minutes and then air dried immediately by compressed air.

Precautions:

1. Use Rubber/PVC gloves while handling with this solution

2. If RUST SOLVENT is splashed on skin or eyes wash off with plenty of water and then consult physician

Packing : 6 Kgs, 12 Kgs & 40 Kgs.

Additional Information:

• Item Code: Rust-Solvent