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Awl-Wash Primer CF, D6600
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SPECIFICATION DATA
Type: Two component Etch Primer
Theoretical Coverage: 408 Sq. ft/gallon (10m2 / litre) at 0.5 mil (14 microns) DFT. Coverage calculations are based on theoretical transfer efficiency of 100%. Actual coverage rate obtained will vary according to equipment choice, application techniques, part size, and application environment.
Anticipated Drying Time: @ 77°F(25°C)/50% R.H: 30 minutes dust-free; 1 hour touch dry; 2 hours hard dry. 3 days to light service, 1 week for full cure.
Recommended Wet Film Thickness: 2 - 4 mils (50 - 100 microns) per coat by conventional spray.
Recommended Dry Film Thickness: 0.25 - 0.5 mil (7 - 13 microns) per coat by conventional spray.
Number of coats: 1 (at 0.25 – 0.5 mils / 7 - 13 microns DFT).
Awlgrip Wash Primer CF can be overcoated with 545 Epoxy Primer and Awlgrip Topcoats. It is not suitable for use under Awlgrip Fairing Compounds.
Overcoatability (At 77°F/25°C, 50% RH): With topcoat / primers is 1 hour (minimum). Maximum recoat time, without sanding, is 6 months. Inspection for cleanliness is recommended.
Important: The Controlled-Fusion process will mean that the Wash Primer CF will soften when overcoated by solventbased materials. Full hardness and adhesion develops 1 week after Topcoat application. Topcoated parts should be left a minimum of 7 days before wrapping to allow controlled fusion process to complete.
VOC: Base (D6600) – 675g/lt or 5.7 lbs/gallon
Converter (D3300) – 908g/lt or 7.7 lbs/gallon
Mixed components, unreduced (as supplied) VOC is 780 g/lt or 6.5 lbs/gallon
MIXING & REDUCTION for Awlwash PrimerThoroughly mix the base until a consistent homogenous blend is obtained. Power mixers or shakers are preferred. If not available thorough hand mixing is acceptable. Add converter and thoroughly mix again. Mix ratio by volume is 1 part D6600 to 1 part D3300. Reduction is not required as material is supplied at maximum allowable VOC.
Induction time: NA.
Anticipated Pot Life at 25°C/ 77°F, 50% RH: 8 hours
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SURFACE PREPARATION
Wash Primer CF may be directly applied to aluminum, anodized aluminum and stainless steel. Not suitable for wooden or plastic surfaces.
1. Thoroughly clean and degrease the surface. Use commercial detergents, steam cleaners or pressure washers. Be sure all detergent residue is rinsed from the surface. Use Awlgrip Wipe Down Solvent (NA: Awlprep Plus T0115; EU: Surface Cleaner T0340) for a final wipe down of the surface.
2. For maximum adhesion, it is recommended that anodized and stainless steel parts are sanded with 180-220 grit paper which will ‘break’ the surface to ensure adhesion to the substrate. Scotch-briting&mark; is also acceptable (using a Maroon Pad 7447 grade or similar). Following Scotch-briting, use Awlgrip Wipe Down Solvent (NA: Awlprep Plus T0115; EU: Surface Cleaner T0340) for a final wipe down of the surface.
APPLICATION INSTRUCTIONS for Awl-Wash Primer
Apply by air atomized spray, brush or roller. Apply 1 coat at 2 – 4 mils (50 - 100 microns) giving a dry film thickness between 0.25 – 0.5 mils (6 – 13 microns). Several passes are required with the spray gun for a good surface. The first pass should be relatively slow (5 - 10cm / 2 - 4 inches per second). This pass is to obtain basic coverage.
Film build should then be achieved with multiple quick passes (30 - 40cm / 12 - 16 inches per second) building to 2 – 4 mils (50 – 100 microns). Multiple passes are required in order to achieve a good finish. Additional coats are NOT required once the coating is hard dry. Obtaining the recommended film build is ESSENTIAL for a flat surface.
Warning: Do not apply paint materials to surfaces less than 3°C (5°F) above dew point, or to surfaces warmer than 41°C (105°F). Ambient temperature should be minimum 13°C (55°F) and maximum 41°C (105°F).
Important: The Controlled-Fusion process will mean that the Wash Primer CF will soften when overcoated by solventbased materials. Full hardness and adhesion develops 1 week after Topcoat application. Topcoated parts should be left a minimum of 7 days before wrapping to allow controlled fusion process to complete.
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