Corrocoat EC is the surface veil coating for use with Corrocoat EB and Corrocoat EA. The coating possesses good chemical resistance and when applied to a thickness over 1.5mm good cavitation resistance.
This material should not be applied at temperatures below 5°C. Thixotropic properties are such that multiple coats will be required to achieve thicknesses over 300mm. Keep overcoating times short.
Health and Safety information should be read and observed before handling this material. Avoid contact with skin or eyes. Do not ingest. Wear protective clothing and goggles. Ventilate
confined spaces. The base and activator materials are not particularly hazardous and are safe to use provided good hygiene and working practices are followed.
For optimum performance under immersed conditions this product should be applied to surfaces, grit blasted to ISO 8501-1 SA 2½ or equivalent. For full details refer to Corrocoat Surface Preparation SP1 or SP2.
Brush or air assisted spray gun and pressure pot.
Apply at approximately 300 microns DFT over the E series material, or in multiple coats to achieve the required thickness.
2 parts base by weight / 1 part hardener.
The material is supplied in kits consisting of the base component (large tin) together with an appropriate amount of activator. An additional component(Adhesion Promoter);
can also be supplied. Mix the base and activator components thoroughly, until the material is homogenous in colour and consistency. Then immediately prior to application the Adhesion Promoter should be added and mixed well.
180 mins at 20°C.
1 hour 14 mins at 20°C.
40 mins at 25°C.
VOC level
4.54g per litre.
Theoretical spreading rate
1.95m² per litre at 500 microns.
As this product contains no solvent, minimum overcoating time is not important except in avoiding disruption and drag of the previous coating. Short overcoating times as opposed to long overcoating times, are recommended for optimum intercoat adhesion properties. In order to check that surface drag is not likely to occur, a finger or thumb can be used, to pull the surface
and where movement is observed, a longer period should be allowed before overcoating. As a guide only, the minimum overcoating times will generally be as follows:
It is essential, to achieve intercoat adhesion, the maximum overcoating time is strictly adhered to. The maximum overcoating times are as follows:
In order to achieve the full properties of this material a period of 3 days at 20°C in ventilated conditions, should be allowed before service. Where chemical or erosive forces are likely to be encountered a period of 7 days should be allowed. However, due to the cure action of this product, the coating can be put to light aqueous service as soon as the product has gelled. This should generally be in accordance with the minimum overcoating time. Product will then continue to cure in service.
7 days at 20°C or 4 days at 30°C
NOTE: Cure below 10°C will be slow, exposure to higher temperatures (15°C-35°C) will improve the rapidity and degree of cure achieved. High humidity will extend cure times. Thinners
The product should not require thinning. The use of solvent thinners can lead to solvent entrapment in the film, which will adversely affect performance.
A blend of xylene/n-Butanol at 4:1 v/v may be used.
Alternatively, any proprietary epoxy clean-up solvent may be used.
