We are a reputed Manufacturer, Exporter and Supplier of
Enamel Sign Boards. Our vitreous Enamel Sign Boards are made by using the opaque glass and fritting inorganic chemicals like Borex, Quarts, Felspar, Soda Ash, Cobalt oxide, Tit Dioxide in a furnace at a temperature of 1200
oC to 1400
oC. The molten glass is quenched in water to make it brittle. The Enamel Sign Boards are then pulverized in Ball mills for 24 hours with water as media. These Enamel Sign Boards are quite different to the paints and synthetic enamels that are manufactured by ICI, Asian paints, Burger, Nerolac, and so on.
Attributes - Not effected by sun, rain & weather
- Cant be scratched by knife
- Does not removed by heat
- They look glossy at every time
- They are maintenance free product
Types of Enamel Sign Boards - Transmission Line - Danger Plates, Number Plates , Circuit plate & Phase plate
- Railways - Number Plate, Caution Plate, Danger Plate, Unwired turnout boards, Electric Engine Stop board, Power block working limit etc
- Advertising / Publicity sign boards
- Road Signs
- Vintage Enamel Signs
Method Only PCRC sheet are used for Enameling :
- The first step is sheet cutting as per requirement
- Then holes punched as per requirement
- Then sheet clean from oil by burning
- Then Acid treatment
- Then Soda Ash Treatment
- Then the plate coated with ground enamel coat.
- Then the first coat of white enamel is applied, dried and fired at a temperature of 850oC
- Again a second coat of white enamel is applied, dried and fired at the same temperature
- Then fourth coat of enamel like Blue enamel is applied and letters engraved by stencil work and then fired at the temperature of 800oC. Then again blue coat applies for glossy shining finish
- Thus the board is fired almost 5 times in furnace
Then following tests are carried as per RDSO Specification No. ETI/OHE/33(8/85) - Visual Examination
- Measurement of dimension
- Thickness of enamel coating
- Impact Resistance
- Water Resistance
Advantages of Vitreous Enamel - Life = Permanent in normal conditions
- No effect of SUN, RAIN & Weather
- Scratch resistance
- Bright & Glossy colors does not fade
- Maintenance free needs only wiped clean with water
- Baking-fired at a temperature of 850oC, 4 to 5 times
Aligarh, Uttar Pradesh, India
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