Sherwin-Williams Mordant Wash L703 (formerly known as Leighs L703/Transgard TG155) is a blue mordant solution for application onto galvanized surfaces as a chemical pre-treatment to improve the adhesion of subsequent paint systems.
Sherwin-Williams Mordant Wash L703 (formerly known as Leighs L703/Transgard TG155) is a blue mordant solution for application onto galvanized surfaces as a chemical pre-treatment to improve the adhesion of subsequent paint systems.
When applied, this solution turns bright zinc surfaces black and this colour change can be used as an indicator that the chemical reaction has taken place and the surface is suitable for overcoating.
Endorsements
Highways Agency Item No.155.
Recommended Primers/Topcoats
Macropoxy K267 MIO Finish Topcoats must be applied within a maximum of 2 days after application of L703
Surface Preparation
Degrease in accordance with SSPC-SP1 solvent cleaning using Degreaser W500. Weathered galvanizing should be abraded to remove the passivated surface. Where galvanizing has been exposed and zinc salt formation has occurred, the surface should be washed down with clean, fresh water to remove any soluble salts, then allowed to dry before application of this product.
Additional Notes
Drying times should be considered as a guide only.
The successful painting of galvanized surfaces is a specialised area and the choice of painting system over the mordant pre-treatment is critical. Please consult Technical Team for advice on the most appropriate paint systems for specific use.
Numerical values quoted for physical data may vary slightly from batch to batch.
Customer agrees that before placing an Order, Customer has read and understood the most up to date Product Data Sheet for the Product. Where we have access to the Product Data Sheet from the manufacturer, we will either provide a copy on request, or include a link to the Product Data Sheet available on the manufacturer’s website. Customer further agrees that we have no liability for any errors or omissions contained within the Product Data Sheets. For more information, please see our Terms & Conditions of Sale.
Sherwin-Williams Mordant Wash L703 is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
These surface preparation kits for steel have been created to help provide customers with an easily accessible bundle of tools to aid in the preparation of steel surfaces in accordance with ISO 8501-1 (St2/3) and SSPC (SP 2/3).
Please click here for important information about these kits.
Kit Contents:
SET 1 (Hand Tools)
1 x Rust-Oleum...