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We are counted among the prominent Chromatizing Chemicals Suppliers based in India. Our range of Chromatizing Chemicals includes Aluminium Chromatizing Chemicals and Chromatizing Chemicals for Zinc Metals.
UNICHROME – C : Yellow Chromatizing process is an excellent pre-treatment for Aluminium and its” alloys, by dip / Spray processes. The treatment deposits a uniform, amorphous, rainbow to yellowish brown, Chromate conversion Coating, and the intensity & the coating thickness depends upon the immersion period, Composition of the metals etc. The chromate conversion Coating offers excellent corrosion resistance ( more than 100 Hrs on a 5 % Sodium Chloride Salt-Spray Test ), & an enhanced bonding with the Paints / powder coatings / Organic coatings deposited on the metal.
The chromatized components are then oven dried / Air-dried & Painted preferably within 24 hrs. In the case of Aluminium Alloys; it is recommended to give a 5 minutes dip in a 5 % solution of activator solution for the removal of the Oxide scales and the rust spots. Unichrome-C is used at a concentration of 2.5 – 5 % W / V, for a dipping period of 5 - 10 min. at room temp. Periodic checking of TA / FA is recommended. Water rinsing & drying after chromatizing shall be done.
UNICHROME – P : Green Phosphate-Chromate process is an excellent pre-treatment for Aluminium & its” alloys, by dipping processes. This treatment leaves on the aluminium metal substrate very uniform, lustrous Green phosphate -Chromate Coating. The colour intensity & the coating thickness shall depends upon the bath concentration, immersion period, Composition of the metals etc. The Phosphate-chromate conversion Coating offers excellent corrosion resistance (more than 250 Hrs on a 5 % Sodium Chloride Salt-Spray Test) and added bonding with the Paints, Powder Coatings & Organic coatings deposited on the metal. The treated components are then immediately oven dried / forced Air dried & Painted preferably within 24 hrs. In the case of Aluminium Alloys; it is recommended to give a 5 minutes dip in a 5 % solution of activator solution for the removal of the Oxide scales and the rust spots. Unichrome - P is used at a concn of 5 % V/V, for a dipping period of 8- 10 min. at room temp. Periodic checking of TA / FA is recommended. Water rinsing & drying after chromatizing shall be done.
EMULSION CLEANER : Used for flocculation of removed oil, grease, scum, dirt and dust from Degreasing and Derusting bath solutions in Phosphating & Galvanizing plants. Emulsion cleaner is used at the rate of 10 Litres per 1000 Litres of the bath solution. The bath is mixed thoroughly. Solution is allowed to stand overnight. Scum floating on the top of bath is scooped / removed by overflow. This maintenance chemical enhances degreasing / Derusting performance.
STRIPPABLE PVC COATING :
Promtech PVC Coating : Used as a peel-off lacquer , this product contains a PVC polymeric substances dispersed in, Wetting agents, Organic solvents; film leveling agents, dryers and plasticizers for attaining mechanical strength to the film. Application of Strippable PVC Coating can be conveniently carried out, By Dipping & by Spraying. Strippable PVC Coating can be used on various types of Fabricated WIP & finished Ferrous & Non-ferrous components, anodized Aluminium Doors & Windows, Aluminium drawn sections, Anodized Labels, Electroplated precision components, Watch dials & precision tools and measuring instruments in engineering industry. The Strippable PVC Coating shall be used as supplied, without any dilution, for Brushing application, whereas for Spraying, it shall be diluted with recommended Thinner only, and used at 20 Second Viscosity on Ford-Cup B-4. The application shall leave a very thin rust protective dried film on the surface which will be NON PERMIABLE TO WATER, acids, alkalies and to any atmospheric attack. Strippable PVC Coating is Light Green Viscous Liquid, with aromatic odour Viscosity of 40 Seconds on Ford Cup B-4 at 25 0C. It is flammable, non-hazardous, non-toxic. The product shall be use within 30 days on opening the container. It is used by Brushing / Dipping / Spraying. Its Touch dry time is 5 Minutes and hard Dry Time is 30 Minutes.
RECOMMENDED APPLICATIONS : CRCA pressed components, fabricated MS sheet metal doors / window sections, Machinery Parts, Machined Components Anodized aluminium Metal Labels, Doors & Window Sections, Appliances etc.
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