Products We Sell Details

Phosphate Conversion Coating / Sevan tank Process chemicals

Product Description

We at Diya Chemical manufacture and supply Metal Treatment Chemicals used primarily for :

Ø Pretreatment metals like Mild Steel, Aluminium, Al Casting Material, Galvanized Sheets prior to Painting / powder coating.

Ø Corrosion Protection of Heavy Mild Steel and Aluminium Components

Ø Color Anodizing of Aluminium

Ø Lubrication requirements for Cold Drawing operations on tubes and wires.

Ø Removal of Paint / Powder coating.

· PRE-TREATMENT FOR MILD STEEL

(1) Degreasing

(2) Water Rinse

(3) Degreasing

(4) Water Rinse

(5) Activation

(6) Phosphating

(7) Water Rinse

(8) Passivation

CONVENTIONAL & TANK PROCESS FOR PAINTING – POWDER COATING

(1) DEGREASING

Removal of oil, grease & carbonaceous deposits from ferrous surface.

(2) DEGREASING

Removal of rust & scale from ferrous surface.

(3) 2 IN 1 CHEMICALS

Derusting Chemicals with excellent degreasing properties

Product	Nature	Conc.	Time	Temp
Diya DG 101 (2 in 1)	Emulsified Acidic Derusting	25% w/v	10-15 min	RT

(4) ACTIVATION

Gives compact & uniform coating of zinc phosphate

(5) PHOSPHATING

Light to medium weight (Class C) Phosphate Coating for point Adhesion

Product	Nature	Conc.	Time	Temp
Diya ZP 101	Medium weight Zinc Phosphate	5% w/v	15-20 min	RT to 65⁰C
Diya ZP 201	Light Zinc Phosphate	5% w/v	15-20 min	RT
Diya ZP 301	Extra light Phosphate	5% w/v	5-2 min	RT

(6) PASSIVATION

Seals the pores of Phosphate Coating

Product	Nature	Conc.	Time	Temp
Diya Pass	Chromic acid based chemical	0.1% w/v	1 min	RT to 80⁰C