Rainbow exterior boiler composition is a general purpose coat tar based product for use on the exterior of boiler and their as cerium which come in contact with water up to 98°C.

| Covering: 10-12 Sq. Meter / Ltrs. | Mixing Ration: Paint 3 Volume Hardener 1 Volume | 
| No. of Coats: 2 Coats. | Film Tickness: 25-30 Micron per coat. | 
| Composition: Epoxy resin / polyamide. | Flash Point: 73oF | 
| Application: Brush & Spray. | 
 Drying Time: S.D 3-4 Hours.  | 
| Finish: Glossy. | Thinner: Mineral turpentine. | 
| Pack: 3.64 & 14.56 Liters. | Colour: Black. | 
| Surface Preparation: Remove all base mills scale & rust by mechanical tools or wire brushing. | |