Sherwin-Williams Epigrip C251
  • Sherwin-Williams Epigrip C251

Sherwin-Williams Macropoxy C251

C251

Sherwin-Williams Macropoxy C251(formerly Epigrip C251) is a two-pack epoxy phenolic primer finish coating for use as part of a 2 coat system for the internal coating of storage tanks and vessels.

  • Suitable for insulated external carbon or stainless steel surfaces including equipment and pipework
  • Suitable for use at up to 180°C operating temperature (Dry Heat). Maximum temperature under insulation 150°C 

Colour
Size
Finish
£184.10
VAT excluded

£220.92 Tax incl.
Quantity

Description

Sherwin-Williams Macropoxy C251(formerly Epigrip C251) is a two-pack epoxy phenolic primer finish coating for use as part of a 2 coat system for the internal coating of storage tanks and vessels. Suitable for insulated external carbon or stainless steel surfaces including equipment and pipework.

Recommended Use

  • For use as part of a 2 coat system for internal coating of storage tanks and vessels.
  • Suitable for insulated external carbon or stainless steel surfaces including equipment and pipework.
  • Suitable for use at up to 180°C operating temperature (Dry Heat). Maximum temperature under insulation 150°C 

Application Conditions & Overcoating

Epoxy paints should preferably be applied at temperatures in excess of 10°C. In conditions of high relative humidity, i.e. 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 resistance, temperature needs to be maintained above 10°C during curing.

If it is desired to overcoat outside the times stated on the data sheet, please seek advice

Additional Notes

Drying times, curing times and pot life should be considered as a guide only.

The curing reaction of epoxies commences immediately when the two components are mixed, and since the reaction is dependent on temperature, the curing time and pot life will be approximately halved by 10°C increase in temperature and doubled by a 10°C decrease in temperature.

Macropoxy C251 system MUST be allowed to cure for 7 days at a minimum of 13°C before putting into service.

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 aspects 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 35°C. At this temperature the pot life will be approximately halved. 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 50°C providing conditions allow satisfactory application and film formation. If the air and substrate temperatures exceed 50°C 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. 

It is your responsibility to read the Product Data Sheets (available below) before you place an order and prior to application of the product. The content of this website is our best recommendation and is not advice. Coverage rates quoted are approximate, you agree that coverage depends on the condition of the substrate, surface absorption, texture and application method. We ALWAYS recommend a trial area is coated to ensure the product meets your requirements before use.

Product Details
C251

Data sheet

Interior / Exterior Use
Interior
For Use On
Steel
Application Method
Brush, Spray
Sheen
Matt
Colour
Standard / Ready Mixed
Single, Two or Three Pack
Two-Pack
Pack Size
5L, 20L
Mixing Ratio
4 parts base to 1 part additive by volume
Application
Brush, Spray
Coverage
6m² per litre
Compatible Topcoats
Macropoxy C251
Density
74 ± 3% (ASTM-D2697-91)
VOC
235gms/litre
Shelf Life (from date of manufacture)
18 months from date of manufacture or ‘Use By’ date where specified
Touch Dry
4 Hours
Recommended Dry Film Thickness
125 microns
Recommended Wet Film Thickness
160 microns
UN Number (Activator)
UN3469
UN Number (Base)
UN1263
Dry to Recoat (at 23°C)
24 hours
Touch Dry (at 23°C)
4 hours
Dry to Handle (at 23°C)
12 hours
Pot Life
2 hours @ 23°C
Attachments
Download


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.


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