Coaltar

Two component air drying Epoxy polyamide coaltar paint

Physical Data

Color : Black/Dark Brown
Finish : Egg Shell
SOLIDS BY VOLUME : 8.00 sq. Mt./ltr. At recommended dft of 75 µ
Solids by volume : 70 + 3%
Theoretical spreading rate : 9.33 sq. Mt./ltr. At a recommended dft of 75 µ
Flash point : base : above 23° c hardener : above 23° c
Drying characteristics
(at 65% relative humidity & at 30® c) :
  • surface dry : 4 hours
  • hard dry : overnight
Shell life :
  • base : 6 months
  • hardener : 6 months

Surface Preparation

Sand blasting to SA 2 ½ Swedish standards. If blast cleaning is not feasible, then the surface should be manually be mechanical methods like coarse emery paper sanding, wire brushing, scrape, chisel, hand / power tools, etc. To achieve Sa2 / St3 grade of surface cleanliness, as per Swedish specification. The surface should be clean, dry & free from contamination before application.

Application Data

Mixing ratio : Base : Hardener – (As per our recommendations)
Application : By Conventional Spray / By Airless Spray
Thinner : Type 002
Pot life : 4- 6 hours min at 30° C
Recommended dft : 75 – 100 µ.
Overcoating interval :
  • Min. : 24 hours
  • Max.: Indefinite
Compatibility : Not to be top coated by any solvent based paints other than self. Can be top coated by special water based emulsion paints. Can be applied over epoxy primer & intermediate coats, Zinc rich primers.

Application Method

Mix the base and hardener as per our recommended ratio by volume. Stir the mix thoroughly to attain homogeneity. Add thinner type 002 into the mix, if required depending on the application method and then stir gently for few minutes. Allow the mixture to stand still (maturation) for about 10-15 minutes to initiate the reaction. All equipment used for above should be properly clean.

Application : By Brush / By Airless Spray

For Brush application, generally no thinner is required to be added. However under adverse environmental condition about 5% by volume thinner 002 can be added. Use quality brushes for paint application. Brushes made up of hog bristles are highly recommended. Size of the brush should be in proportion to the work in hand. Large size brushes (100-125) for large areas and small brushes (25-50) for narrow areas should be used.

For Conventional Spray application:
  • Thinner : Type 004
  • Addition : Max 5% if required
  • Nozzle Orifice : 0.41mm – 0.48mm
  • Nozzle Pressure : 2800 -3400 p.s.i.

Notes

  1. Do not apply paint when temperature falls below 10° C or rises above 50° C when Relative Humidity is above 85% & during rain, fog or mist. Surface temperature must always be minimum of 3&drg; C above Dew point.
  2. Brushes and spray equipment should be cleaned with KP’s recommended thinner otherwise equipment is liable to be damaged.
  3. Product will different volume solids, with Amine Hardener are also available on request
  4. DFT variation can be obtained by change in application method / thinning ratio. Contact Khodal Paints representatives for further assistance.
  5. Shelf life indicated is minimum for this Product in sealed conditions and it is subject to re-inspection thereafter. Individual component is required to be stored in cool, dry and covered condition away

Health & Safety

This is a solvent based paint and care should be taken to avoid inhalation of spray or eyes. Mist or vapours as well as contact between the wet paint and exposed skin.

Limitation of Liability

To the best of our knowledge the technical data in our literature are true and accurate at the date of issuance but are subject to change without prior notice. We guarantee our product to confirm to the specifications contained herein. We make no other warranty or guarantee of any kind, express or implied, including merchantability and fitness for particular purpose. Liability, if any is limited to replacement of the product or refund of the purchased price. Labour or cost of Labour and other consequential damages are hereby excluded.

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