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Mordant Solution (T Wash)
A reactive chemical solution used as a pre-treatment for galvanised surfaces to aid the adhesion of subsequent coats of paint.
Please allow 1-2 working days for next day delivery of 25L items. This is due to the operation times of the hazardous goods vehicles of the external couriers.
From £6.86 Incl. VATFrom £5.72 Excl. VAT
Mordant solution is a T wash galvanised steel metal wash that contains a reactive chemical solution used to as a pre-treatment for galvanised surfaces which turns black and aids the adhesion of future coats of paint. Supplied as a blue solution that has a characteristic blackening effect on the galvanised surface. This helps in indicating that the treatment has been effective.
Not sure which whether to use mordant solution or etching primer? Take a look at our Blog here
We are proud to be a member of the British Coatings Federation.
Surface Preparation
To get the best results, clean down using an abrasive pad, water and cleaning agent
followed by rinsing and allowing to dry. Ensure surfaces to be painted are sound, clean
and dry (new surfaces particularly must be fully dry) and free from all defective or
poorly adhering material such as dirt, grease and oil. Universal degrease where
necessary with a suitable oil and grease remover. Rinse with clean water to remove
residues.
Mixing
Shake the solution in the container for approx 30 seconds ensuring the cap is tightly fastened.
Application
Can be applied by brush to weathered galvanised surfaces although reactivity of the treatment will diminish as the age of the galvanising increases and can result in an uneven colouration from light grey to dark grey. If no colour change take place, these areas should be considered as contaminated. Leave on the surface for about 15 minutes – 1 hour then rinse with clean water to remove acid residues.
Subsequent Coat
The pre-treated surface should be overcoated with an appropriate metal primer
within 48 hours or before contamination can recur
Application Methods
Brush
Weight | 6 kg |
---|---|
Please Select Size | 750 ml, 2 Litre, 5 Litre, 25 Litre |
Log Cabin Paint
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Owen Davies –
Providing you take real care, as the label suggests, to degrease the surface, this works outstandingly well and better than an aerosol product I had previously purchased from a nationwide auto parts store!
David Ritchie (verified owner) –
It at first appeared to be an unnecessary extra cost and processes. However, having previously experienced paint blistering reactions having painted directly onto what I thought were well seasoned galvanized surfaces even using the recommended primer undercoat and process.
Applied this around 5 months ago in a 3 stage Mordant, Primer then Topcoat process and is looking good against a comparable now blistering primer/ topcoat without Mordant solution.
Its a major costly job trying to sort out paint problems. Fortunately for me this time its only on a small comparison test area this time.