CUSTOM 421 RED
| CUSTOM 421 RED | £29.35 ex VAT | In Stock |
| 1.25 ltr Custom Epoxy 421 Kit | £29.35 ex VAT | In Stock | |
| 2.5 ltr Custom Epoxy 421 Kit | £53.55 ex VAT | In Stock | |
| 6 ltr Custom Epoxy 421 Kit | £99.95 ex VAT | In Stock | |
| 200ml Custom 421 Hardener | £9.50 ex VAT | In Stock | |
| 1ltr Custom 421 Hardener | £25.50 ex VAT | In Stock | |
| Epoxy Thinner 250ml | £4.95 ex VAT | In Stock | |
| Epoxy Thinner 500ml | £8.50 ex VAT | In Stock |
On orders over £80.00+VAT, up to 20Kg.
For more product information or have general question, please contact us.
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PRODUCT COLOUR: OXIDE RED
Rustbuster Custom 421 is the perfect base for priming steel, aluminium and GRP bodywork. It will not absorb moisture so rust will not form within the primer if left exposed for long periods, unlike soft and porous easy-sand primers. Custom 421 is therefore ideal for the home auto restorer and garages that do not have the benefit of a controlled body shop environment.
Custom 421 can be over painted with single pack cellulose or two pack finishes after a light sanding with a P320 abrasive.
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Product description |
2 pack modified epoxy rust proofing primer. |
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Pack description |
1.25ltr kit covers approx. 10m2. Includes 800ml component A, 200ml component B & 250ml thinner. 2.5ltr kit covers approx. 20m2. Includes 1.6ltr component A, 400ml component B & 500 thinner. 6ltr kit covers approx. 50m2. Includes 4ltr component A, 1ltr component B & 1ltr thinner. |
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Application temperature |
Can be applied to steel as low as 5c. The steel must be at least 3 degrees above the current dew point. (See our dew point calculator.) |
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Thinning |
Use only the epoxy thinner supplied, from 5 to 20% max. |
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Application & recoating |
Brush or spray. A second coat or topcoat can be applied any time after approx. 8 hours* with no need to abrade between coats. If recoating or topcoating once the first coat has fully cured (after approx. 7 days), lightly abrade first with P320 paper. * At 20 degrees centigrade. Longer interval may be required in colder conditions. |
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Spraying |
Minimum 1.8mm nozzle or a HB (high build) primer set up. Test atomisation on a test panel first. Viscosity will vary, i.e. thicker in colder temperatures. Data correct at 20c. Conventional Spray (Air) 3-4bar - 44-58psi Airless Spray 18thou tip, 150bar - 2176psi |
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Pot life |
Pot life is the time from mixing the two components together to the point at which the mixed paint is no longer useable. For Custom 421, you have 2.5 hours pot life once mixed at 20c – longer at colder temperatures. |
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Shelf life |
We recommend storing upside down in a dry place at around 20c. In these conditions the product has a shelf life of 12 months. Do not store below 20c as this can affect performance |
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Disposal |
Allow any excess mixed paint to cure in your mixing cup and throw away as dry waste. |
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Cleaning |
Clean up with standard thinner or gun wash. Do not thin the paint with standard thinner as this will affect the paint cure. |
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Safety |
Use in a well-ventilated atmosphere. Use a respirator face mask when spraying or brushing in an enclosed space. Please see the MSDS (material safety data sheet) in our data sheet area. Wear suitable protective clothing, gloves and eye protection. |
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Rustbuster is a registered trade mark of Rustbuster Ltd, registered in the UK Trademark number 2211446 Class 02 & 37.
Any unlawful use of the Rustbuster name or logo or passing off will result in legal proceedings. Rustbuster Ltd UK registerered 3639350.