FRP anti-corrosion construction for salt treatment ponds
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There has been a lot of rainy weather during this period, and we carried out anti-corrosion work on the concrete salt-removal tanks in an open-air environment. Although rain shelters made of colored fabric were used, they could not completely protect against wind and rain. What should be done to ensure quality? Please help think of a way. The main material used is: MFE-2 vinyl ester resin
Let’s do it when the weather improves; no matter how urgent it is, we can’t rush things like this
The surface to be protected from corrosion should be dry; therefore, do not carry out the process in environments with high humidity.
Doing it this way won’t guarantee quality. It’s reckless behavior.
The on-site application of vinyl ester resin requires strict environmental conditions: a temperature range of 10–30 degrees, humidity below 75%, and a moisture content on the cement substrate of less than 4%. These requirements are determined by the curing properties of the resin. To ensure good construction quality, such conditions must be met; otherwise, the result will be a substandard structure. In the situation described by the poster, colored steel sheets can be used to reinforce temporary shelters. If it rains frequently, it is advisable to use dehumidification equipment (the cost is not high, and such equipment is available for rent). The key factor is whether your schedule and budget allow for this; otherwise, you’ll have to rely on favorable weather conditions
It has to be done when it’s dry; otherwise the quality won’t be good, and that will cause trouble later on
Is 75% humidity a bit too low? Do you mean relative humidity?
The book \"Corrosion Prevention Construction Management and Construction Techniques\" states that the relative humidity in the construction environment should not exceed 80%; therefore, a relative humidity of around 80% is acceptable. Of course, since moisture resistance is required, it’s better to have a drier environment.
Fiberglass-reinforced plastic anti-corrosion using epoxy, phenolic, and vinyl unsaturated resin bases is all feasible