NATIONAL ALUMINIUM COMPANY LIMITED - Rites

5.0 FINISH PAINTS (F)
Finish paint coats shall be applied over primer coats and intermediate coats after proper
cleaning and touch up of primed coats.
5.1 Finish Paint F1
A single pack air drying high gloss phenolic alkyd modified synthetic enamel paint suitably
pigmented.
Air drying time -3 to 4 hours (touch dry) -24 24 hours (hard dry)
DFT / coat
- 25 microns (min)
Compatible with
Intermediate I1 - Primer P1
Colour
- generally all shades
5.2 Finish Paint F2
A two pack air drying epoxy polyamide enamel suitably pigmented.
Air drying time - 2 to 3 hours (touch dry)
- 7 days (full cure)
DFT / coat
- 40 microns (min)
Compatible with
Intermediate I2 - Primer P2
Colour
- generally all shades
5.3 Finish Paint F3
A single pack heat resistant silicon resin based paint with leafing Aluminium powder.
Air drying time
- 3 to 4 hours (touch dry)/24 hrs (hard dry)
DFT / coat
- 20 microns (min)
Compatible with - no primer paint except P3
(shall l be applied on blast cleaned steel surface)
Colour
- smooth aluminium
6.0 PAINT APPLICATION
6.1 Paint shall be applied in accordance with paint manufacturer's recommendations.
Manufacture of paints, mixing of paints, etc. shall be as per the IS codes of practice. The work
shall generally follow IS 1477 -1971 1971 (Part II) for jobs carried out in India and or DIN 55928
(latest) or equivalent for jobs carried out outside India.
6.2 Paint shall not be applied when the ambient temperature is 50
below. Also paint shall not be applied in rain, wind, fog or at relative humidity of 80 % and
above unless the manufacturer's recommendations permit. Application of paint shall be only
by spraying or brushing as per IS 486
0 C and d above or 45
. Also paint shall not be applied in rain, wind, fog or at relative humidity of 80 % and
above unless the manufacturer's recommendations permit. Application of paint shall be only
by spraying or brushing as per IS 486 - 1983 and IS 487 - 1985.
0 C and
. Also paint shall not be applied in rain, wind, fog or at relative humidity of 80 % and
above unless the manufacturer's recommendations permit. Application of paint shall be only
Technical Specification:Sec-9,Miscellaneous
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