Our Products - Zinc Silicate Coating Paint - SPECTRACOAT
| TECHNICAL DATA SHEET |
| Product Description |
This is a two pack (part A + part B) zinc-ethyl silicate-type primer. Forms a continuous layer of metallic zinc that provides cathodic protection to metal (as in hot galvanization). |
| Recommended Uses |
In clean or mildly corrosive environments, may be applied in a single 75 microns thick coat. In acidic or alkaline environments, must be coated with a top-coat such as
chlorinated rubber, vinyl, epoxy or Polyurethane. |
| PRODUCT SPECIFICATION |
| Mixing Ratio by volume |
Medium : Zinc Dust ( 20 ltr medium + 35 Kg Zinc Dust - for 25 ltrs) 4 : 1 ( Other mixing ratios are also available ) |
| Colour |
Bluish - Grey |
| Finish |
Matt |
| Pot Life |
6 to 8 hrs at 30 �C & 65 % Relative Humidity |
| Volume Solids |
60% |
| Flash point |
More than 24 �C |
| Recommended DFT |
60 to 75 microns per coat |
| Covering Capacity |
8 to 10 sq.mtrs / ltr |
| (Theoretical) |
- |
| Drying Time |
Surface dry – 15 to 20 mins at 30 �C & 65 % Relative Humidity
Hard Dry – Overnight 30 �C & 65 % Relative Humidity
Fully cured – 7 days |
| Recoating Time |
Minimum – Overnight 30 �C & 65 % Relative Humidity Max - None |
| Method of Application |
Brush ( only for touch up )/ Conventional Spray / Airless Spray |
| Thinner recommended |
‘ Spectracoat ’ Zinc Silicate Thinner |
| Shelf life |
6 months under normal storage conditions in original sealed containers.
|
| Surface Preparation |
Surface to be free from oil , grease , moisture and any other foreign matters. Blast to Sa-2.5 (per Swedish Standard) and profile of 25-50 microns. |
| Remarks 1. Application Data |
| Method |
Pressure ( Atm) |
Nozzle |
Thinner |
Thinner volume |
| Conventional Spray |
3 – 4 |
|
‘ Spectracoat ’ Zinc Silicate Thinner |
5 – 10 % |
| Brush |
- |
-
|
‘ Spectracoat ’ Zinc Silicate Thinner |
0 – 5 % |
| Airless Spray |
4 – 5 |
0.018 inch to 0.025 inch
|
‘ Spectracoat ’ Zinc Silicate Thinner |
0 – 5 % |
2. Don’t use below 10 �C
3. Stir well before and while using .
4. Film thickness other than indicated also possible.
| Safety Precautions : |
| Provide sufficient ventilation while working with solvent based paints in confined spaces and stagnant air. |
Keep the material away from heat , spark and direct flame |
| Avoid inhalation of solvent vapour or paint mist by using facial mask .Use goggles and gloves to protect against direct contact of paint with
skin and eyes. |
In case of contamination , rinse with fresh running water and seek medical help at once. |
| Follow local & national safety rules. |
| Special Comments : |
| Thinner consumption and actual coverage of paint depends on the site conditions. |
Stir the paint well before painting and while painting if necessary. |
| Material should be stored at 30 �C temperature in dry place.
|
