Sherwin-Williams Macropoxy C123 (formerly known as Epigrip C123) is a high solids, glass flake epoxy coating for the anti-corrosive protection of blast cleaned steel. Macropoxy C123 is especially suitable for steel structures, bridges and infrastructure in aggressive atmospheric conditions. Network Rail Item 7.2.3., Highways Agency Item No. 123.Read Full Description
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Sherwin-Williams Macropoxy C123 (formerly known as Epigrip C123) is a high solids, glass flake epoxy coating for the anti-corrosive protection of blast cleaned steel. Macropoxy C123 is especially suitable for steel structures, bridges and infrastructure in aggressive atmospheric conditions.
Compatable with a wide range of Macropoxy, Zinc Clad Epoxy primers and buildcoats.
Indefinitely self overcoatable provided the coating has been suitably cleaned. For optimum intercoat adhesion with other epoxy topcoats, overcoating should occur within 14 days. Where atmospheric exposure is required, overcoat with Acrolon C137V2 within 7 days at a minimum dft of 50 microns or in the case of Acrolon C750V2 overcoat within 4 days. These overcoating times refer to achievement of optimum adhesion at 23°C and will vary with temperature. For overcoating outside the above parameters and with alkyd systems, consult Rawlins Paints for advice.
Nozzle Size: 0.48-0.58mm (17-23 thou)
Fan Angle: 40°
Operating Pressure: 235kg/cm2 (3360 psi)
The airless spray details given above are intended as a guide only. Details such as fluid hose length and diameter, paint temperature and job shape and size all have an effect on the spray tip and operating pressure chosen. However, the operating pressure should be the lowest possible consistent with satisfactory atomisation. As conditions will vary from job to job, it is the applicators’ responsibility to ensure that the equipment in use has been set up to give the best results. If in doubt Sherwin-Williams should be consulted.
N.B. C123 is capable of being applied by brush at 250 microns dft as a stripecoat, or for touch up of small areas.
In conditions of high relative humidity ie 80-85%, good ventilation conditions are essential. Substrate temperature shall be at least 3°C above the dew point and always above 0°C.
At application temperatures below 10°C, drying and curing times will be significantly extended, and spraying characteristics may be impaired.
Application at ambient air temperatures below 5°C is not recommended.
In order to achieve optimum water and chemical resistance, temperature needs to be maintained above 10oC during curing.
If it is desired to overcoat outside the times stated on the data sheet, please seek advice.
Drying times, curing times and pot life should be considered as a guide only.
The curing reaction of epoxies commences immediately the two components are mixed, and since the reaction is dependent on temperature, the curing time and pot life will be approximately halved by a 10°C increase in temperature and doubled by a 10°C decrease in temperature.
Epoxy Coatings – Colour Stability
Variable colour stability is a feature of epoxy materials which tend to yellow and darken with age whether used on internal or external areas. Therefore any areas touched-up and repaired with the same colour at a later date may be obvious due to this colour change. When epoxy materials are exposed to ultra-violet light a surface chalking effect will develop. This phenomenon results in loss of gloss and a fine powder coating at the surface which may give rise to colour variation depending on the aspect of the steelwork. This effect in no way detracts from the performance of the system.
Epoxy Coatings - Tropical Use
Epoxy paints at the time of mixing should not exceed a temperature of 35oC. Use of these products outside of the pot life may result in inferior adhesion properties even if the materials appear fit for application. Thinning the mixed product will not alleviate this problem.
The maximum air and substrate temperature for application is 50oC providing conditions allow satisfactory application and film formation. If the air and substrate temperatures exceed 50oC and epoxy coatings are applied under these conditions, paint film defects such as dry spray, bubbling and pinholing etc, can occur within the coating.
Numerical values quoted for physical data may vary slightly from batch to batch.
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Free delivery on orders over £75 (terms & conditions)
• Deliveries will be made within 3 working days (standard delivery)
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• Postcodes listed are excluded from the free delivery and priced below.
Please note: deliveries will need to be signed for at the point of delivery.
|UK Mainland Only||Up to £75.00||£75.01 +|
|Standard (2/3 working days)||£8.00||FREE|
|Next day before 09:00am||£30.00||£30.00|
|Next day before 10:30am||£25.00||£25.00|
|Next day before 12:00pm||£20.00||£20.00|
£25 (Standard 2-3 Day Delivery Only)
AB30, AB31, AB32, AB33, AB34, AB35, AB36, AB37, AB38, AB44, AB45, AB46, AB47, AB48, AB49, AB50, AB51, AB52, AB53, AB54, AB55, AB56, FK, G83, IV, KW1, KW2, KW3, KW4, KW5, KW6, KW7, KW8, KW9, KW10, KW11, KW12, KW13, KW14, PA, PH, HS, KA27, KA28, ZE
£35 (Standard 2-3 Day Delivery Only)
£50 (Standard 2-3 Day Delivery Only)
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Scottish Islands - outside standard distribution area, please contact us for a quote.
There may be an exception for heavy goods when purchased in quantity where we will contact you to advise any additional charges.
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Because of the nature of our products, we use specially selected carriers to ensure safe and prompt delivery to you.
Please note: Any time or date named by Rawlins Paints Limited for delivery is given and intended as an estimate only and Rawlins Paints Limited shall not be liable to make good any damage or loss whether arising directly or indirectly out of a delay in delivery. Deliveries are made using a reliable nationwide carrier. Although over 99% of consignments arrive on time, we recommend that no labour is employed to undertake work until materials have arrived on site.