About Guard ETC 2K, Two Pack Etch Primer Chromate Free
New Guard, Guard ETC 2K is a Self Etching 'Zinc Chromate Free' Two Pack Etch Primer for difficult to coat metals such as zinc and aluminium alloys.
It is used as a 'wash' primer with a low film weight.
Apply by Conventional spray only.
Preparation
Surfaces to be coated must be clean, dry and free from any material such as oil, grease, salts and dirt that might affect adhesion.
Remove loose flaking or friable material.
Where necessary, remove weld spatter and grind smooth all rough,sharp edges and weld seams.
Galvanised steel
Thoroughly degrease with Cleaner Degreaser (Product Reference H30 or ND14) and lightly abrade any very shiny areas.
Mild Steel
Degrease with a Cleaner Degreaser (Product Reference H30 or ND14) and either manually abrade or blast clean to Sa2½ (ISO 8501-1:2007)
If blast cleaning is not possible, phosphating is recommended for cold rolled steel to improve adhesion.
Phosphate Steel
Degrease with Cleaner Degreaser (Product Reference H30 or ND14) and manually abrade prior to application of the Primer.
Stainless Steel
Degrease with Cleaner Degreaser (Product Reference H30 or ND14) and manually abrade prior to application of the Primer.
Aluminium and Alloys
Degrease with Cleaner Degreaser (Product Reference H30 or ND14) and manually abrade prior to application of the Primer.
The temperature of the ambient air, surface or paint should not fall below 5ºC during application or drying.
Application Conditions
Relative humidity should not exceed 80%.
The surface temperature of the steel should remain at least 3ºC above the dew point.
Cold damp conditions will impair drying times and the final finish.
Recommended Finish Coats
Guard topcoats such as Guard FEB and Guard SCF
Recommended Thinners
Guard Solvent J
Coverage Rates
Recommended Film weight: WFT 125µm
Theoretical coverage rate: 8m² per litre at a WFT 125µm
Application Methods
Guard ETC 2k can be applied by the following methods.
Airless Spray: No
Conventional Spray: Yes
Brush: Yes for small areas only
Roller: No
Application Guidance
Conventional Spray;
Apply as supplied. Mix the two components A and B in the ratio 1:1
Once mixed the Pot Life is up to 3 hours.
Brush
Please note: application by brush will result in a reduced film thickness and is recommended only for small areas of touch up/remedial work
Drying times at a WFT at 31-62µm and 23ºC
Dust Dry: 30 minutes
Recoatable: 2 hours
Hard Dry: 6 hours
Full cure: 24 hours
Cleaning Tools and Equipment
Clean equipment with Guard Solvent J Thinner after use
% Volume Solids : 16%
VOC content : 720g / litre
Safe use
This product is formulated for professional use.
Please ensure suitable and appropriate personal protective equipment is worn during handling and application.
For more detail please consult the Product Datasheet.
Please contact us for the Health and Safety Datasheet.
