Product Description

Teja Deruster -P is specially developed to remove light oil, grease and mild scale and rust from iron and steel surface at room temperature. It is done by wiping or by dipping the components in the solution. The treated articles can be oiled or painted directly for further rust resistance.

Product Specifications

Colour

Water White

Chemical Composition

Blend of acids, metal salts, activators etc.

Odour

Slightly Pungent

Foaming Tendency

Nil

Reliability

Good

Solubility

Good

pH

Acidic Range

Toxicity

Acidic

Flash Point

Nil

Pollution Hazard

Treatable

Product Operating Data

Concentration

25-33%

Pointage

26-30%

Temperature

R.T.

Time

15 - 20 min.

Product Operating Procedure

Immersion Method

Mix one part of Teja Deruster -P with 2 to 3 parts of water in a tank
Dip the components for 15-20 minutes or more, depending upon the amount of rust and oils present.

Teja Deruster -P bath can be heated up to 50-55°C, where uniform derusting and coating operation is required for high rate of production. 
Hand Application

Mix one part of Teja Deruster -P with 2 to 3 parts of water
Soak a piece of cotton rag into the solution and apply the solution on the surface of the metal
Rub the cotton rags on the steel surface to loose the oil, grease and rust
Wipe the surface dry
Keep the surface wet throughout by re-using the solution till rust is totally remove.

Product Application Equipment

Teja Deruster -P tank should be fabricated with 3 to 4 mm thick M. S. Plates with continuous convection current heating system.

Testing and Control Procedure

Total Acidity

Pipette out 10 ml. bath solution and make it 100 ml. with distilled water
Pipette out 10 ml. Diluted solution into the conical flask and add 2-4 drops of phenolphthalein indicator solution
Titrate this against N/10 sodium Hydroxide solution till light pink colour is obtained
Note down the volume of the N/10 NaOH  consumed.

Safety Measures

Teja Deruster -P is an acidic liquid material, and while handling, proper care should be taken. Protect your eyes, skin, etc. by means of goggles, aprons, gloves and face shields etc. If it comes in contact with skin and eyes, wash thoroughly with a flush of water and get medical advice.For further information please refer our Material Handling and Personal Safety Data Sheet No.2.

General Information
Corrosion Resistance: Excellent
Paint Adhesion: Good
Gloss Retention: Good.