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At this time, measures need to be taken to improve the painting environment, such as turning on the air conditioner for heating and dehumidification.
We can’t control it.
If it cannot be cured, the second process cannot be constructed.
However, sometimes because the owner requires the construction period, the ideal weather conditions are not easy to occur.
If condensation occurs, the relative humidity of the air reaches 100%.
For example, the film dries very slowly, and sundries such as dust are easy to pollute its surface, resulting in poor decorative effect; Curing too slowly will also affect the performance of the film, reducing its hardness and poor wear resistance, which will directly affect the service life of the floor.
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According to the requirements for the construction of epoxy floor paint, when the relative humidity of the air is higher than 85%, the construction of epoxy floor paint cannot be carried out, because it is prone to whitening, cracks and other ills.
If the humidity is too high, it will cause condensation on the coating surface, and the condensed water will damage the curing agent, causing the film to whiten, lose light, stick, stick back and other phenomena, greatly reducing the surface decoration effect, and causing rework in serious cases.
Especially for solvent-free finish, the surface drying time is generally long, and it is dangerous to paint immediately after painting or in the evening of winter and spring.
Some people also say that humidity will affect the floor construction, so what are the aspects of temperature and humidity here? Too low temperature: many two-component coatings are difficult to cure at temperatures below 5 degrees Celsius, or the reaction is very slow, resulting in a significant extension of the film-forming time, or failure to form a film.
Humidity refers to the content of water in the air, which is generally expressed as a percentage.
If it cannot be cured, it means that the floor cannot be completed.
The floor coating is affected only when the humidity index is too large, and its impact is often greater than people’s imagination.
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We often see the regulations that epoxy floor paint can’t be constructed at too low or too high temperature.
Generally, we use a small number of times to prepare paint, or use diluents with high boiling point and slow evaporation to adjust the impact of humidity on the construction of epoxy floor paint.
Humidity not only affects the construction of epoxy floor paint, but also affects the curing of floor paint.
As a result, the workers cannot finish the floor paint in the barrel, and the floor paint is useless.
High temperature: if the temperature is higher than 30 ℃, the consistency of the coating will increase, dry and scrap, and in serious cases, explosive polymerization will occur.
